2026-05-06T14:42:13Z https://journal.upy.ac.id/index.php/derivat/oai

oai:ojs2.journal.upy.ac.id:article/718 2023-01-20T15:06:03Z derivat:ART

Analisis Kesulitan Mahasiswa Dalam Menyelesaikan Kasus Rancangan Percobaan Meifiani, Nely Indra Susanto, Hari Purnomo Over the past century, there has been a dramatic increase in worldwide research.  However, these rapid increases are also arising problems or difficulties faced by the university students. Therefore, this research was carried out to reveal the types of those difficulties faced by students of STKIP Pacitan PGRI in solving the two-factor experiment tests in the design of experiment subject and the factors which cause these difficulties.  The researcher opted the qualitative descriptive design to the qualified research findings. Moreover, the samples, 15 students, were randomly taken from the total population or 93 students who attended the lectures. The technique of collecting the data employed both written test and interview of the researched subject. Based on the research findings, the students were difficult in determining the source of variance (SV), the degrees of freedom (df), the Expected Mean Square (EMS), the F value. Briefly speaking, the students were difficult in the process of calculating. While, the factors that caused the difficulties were in distinguishing the state of R, drawing a conclusion from all these factors, determining the number of r (replicate), determining the removed part from EMS, being careless in equalizing the line of numerator and denominator candidate, being unable to develop formulas, and careless in the calculation. Keywords: kesulitan, rancangan, faktorial Pendidikan Matematika Universitas PGRI Yogyakarta 2016-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/718 10.31316/j.derivat.v3i2.718 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 3 No. 2 (2016): Jurnal Derivat (Desember 2016); 68 - 75 2549-2616 2407-3792 10.31316/j.derivat.v3i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/718/513 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/856 2020-12-21T13:22:30Z derivat:ART

Implementasi Focusky Dan Kahoot Membantu Meningkatkan Motivasi Belajar Peserta Didik Terhadap Matematika Nuraeni, Irna Ni'mah, Khomsatun Rahayu, Diar Veni This study aims to determine the implementation of Focusky and Kahoot in increasing motivation to learn SMK students. This research uses descriptive research methods supported by qualitative and quantitative data. The main purpose of descriptive research is to get a detailed picture of a situation while answering questions such as who, when where, and how. The type of descriptive research was chosen because this study aims to describe matters related to the implementation of the Focusky and Kahoot applications in increasing students' motivation towards mathematics in vocational high schools. The subjects in this study were 5 students of class X SMK Al Huda Sariwangi. Data collection techniques used in this study were questionnaires and tests. From the results of the study, it can be revealed that learning by implementing the Focusky and Kahoot applications, in the learning process creates a more interesting, fun, and interactive learning atmosphere so that it has a positive impact on increasing student learning motivation and makes it easier for students to understand the material delivered by the teacher.Keywords: Focusky, Kahoot, Learning Motivation Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/856 10.31316/j.derivat.v7i2.856 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 46 - 52 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/856/794 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/983 2020-12-21T13:32:53Z derivat:ART

Studi Etnomatematika: Aktivitas Petani Padi Dusun Panggang Firdaus, Bara Aji Widodo, Sri Adi Taufiq, Irham Irfan, Muhammad This study explores the hidden mathematical concept of the activities of the rice farmers in Panggang Village. The research method is qualitative research with an ethnographic approach. The research location is in Panggang Hamlet, Bantul. The location was chosen because the area is an agricultural area that has been regulated by the Government. The research subjects were the Dukuh and Panggang Dusun farmers and were selected purposively. Agricultural activities contain mathematical concepts that arise when using rice seeds, nursery preparation, fertilizing, and tandur. This study's findings are that there are mathematical concepts that exist in agricultural activities, including geometry and comparisons. The results of the research can be used as teaching materials to facilitate learning for students.Keywords: ethnomathematics, geometry, comparison, contextual, realistic mathematics education Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/983 10.31316/j.derivat.v7i2.983 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 85 - 92 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/983/798 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1037 2020-12-21T13:33:30Z derivat:ART

Mathematics Model on Syariah Share Pricing in ISSI Jana, Padrul Basri, Anindita Imam The ability to read, analyze data, and execute the Syariah economic market agents' decision becomes possible to happen. This research aims to help agents and those how to read the data, analyze, and model the data by providing perspectives regarding the stock pricing in the future. The research method being employed as Autoregressive Integrated Moving Average (ARIMA), which has steps of data plotting transforming, estimating the model, and forecasting. The results of this research found that ARIMA (1,1,0) is the best model of Syariah stock pricing on Indonesian Syariah Stock Indexing (ISSI). The test of model reliability employs RMSE, AIC, BIC/SBC, which is resulted in a fair, competitive suitable test to the employed model.Keywords: ARIMA, Mathematical Model, Forecasting, Stock Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1037 10.31316/j.derivat.v7i2.1037 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 93 - 99 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1037/799 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1050 2020-12-21T13:32:17Z derivat:ART

Pengaruh Kecemasan Matematika Siswa Kelas VII Terhadap Hasil Belajar Di SMP Negeri 3 Kota Bengkulu Nopela, Lola Anggun Lestari, Amelia Lorenza, Sintia Syafri, Fatrima Santri This research is a study that discusses the influence of mathematics on grade VII students—learning outcomes at SMP NEGERI 3 Kota Bengkulu. This study's population was all students of class VII SMP NEGERI 3 Bengkulu City, which consisted of 130 famous students in 5 classes. Samples were taken using the random sampling technique. Then, a sample of class VII.2 was chosen, possibly 20 students. This study using a questionnaire and documentation. The data were obtained using a questionnaire, while the documentation in this study was used to obtain learning data obtained from teacher data in the form of daily math test scores. In the research analysis, prerequisite tests were used, such as the normality test, linearity test, and product moment test with SPSS version 22. The analysis results obtained a value of 0.754, which indicates that the relationship's level is healthy between the two variables. There is a positive sign indicating that the property is valuable. Positive and unidirectional. The results of the analysis using Pearson products when the significance value was obtained 0.000. The results of this study indicate that there is a significant relationship between the effect of mathematics on learning outcomes at SMP NEGERI 3 Kota Bengkulu.Keywords: Mathematics anxiety, learning outcomes Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1050 10.31316/j.derivat.v7i2.1050 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 75 - 84 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1050/797 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1053 2020-12-21T13:29:25Z derivat:ART

Pengaruh Pendekatan Saintifik dalam Proses Belajar Mengajar Siswa Kelas VIII Materi Lingkaran Maryani, Maryani Effendi, Herlina Sabantaro, Henky This study aims to determine students' learning outcomes who are taught using the scientific approach method in groups and not in groups. This research is quantitative. The study population was grade VIII students of SMP Negeri 03 Bengkulu City. In this study, sampling was carried out by purposive sampling because not all samples have criteria that match the phenomenon under study. The two classes chosen were Class VIII A and VIII B, each of which contained eight students. Each student gets material based on the same curriculum, the two samples in the same class, the teacher uses the same method, the characteristics of learning, and the students' initial abilities. Collecting data used in this study using observation and test questions. Based on the results of the above data using the non-parametric Mann Whitney Test, it was found that the results of learning mathematics in class A were greater with a mean Rank of 8.63, while in class B with a mean Rank of 8.38. Based on the output test statistics, it is known that the Asymp Sig. (2.talled) value is 0.916 <0.05. The hypothesis is accepted. It can be said that there is a significant difference in results between class A and class B with the effect of learning in the experimental class and the control class.Keywords: Scientific Approach, study, Circle Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1053 10.31316/j.derivat.v7i2.1053 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 65 - 74 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1053/796 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1057 2020-12-20T11:12:12Z derivat:ART

Analisis Kemampuan Literasi Matematis Siswa Ditinjau Dari Karakter Kemandirian Belajar Materi Aljabar Kholifasari, Rizqi Utami, Citra Mariyam, Mariyam This study aims to: 1) describe students' mathematical literacy skills in algebraic material in terms of learning independence. 2) to describe the factors that affect students' mathematical literacy skills in algebraic material in terms of learning independence. This research method is qualitative. The subjects in this study were students of class VIII-A at SMP Negeri 1 Singkawang. The data collection instruments used a learning independence questionnaire, a mathematical literacy test, and an interview sheet. Data analysis techniques used the Miles and Huberman Model, namely, data reduction, data presentation, and drawing conclusions. The results showed that 1) The students' mathematical literacy ability in terms of their high learning independence character had an average of 69.44 (high category). Most of the students were unable to do the reasoning and argumentation stages. 2) The students' mathematical literacy skills in terms of their moderate learning independence character had an average of 57.41 (moderate category). Most of them were unable to develop strategies for solving problems. 3) The students' mathematical literacy ability in terms of their low learning independence character has an average of 46.11 (moderate category). Most of them are not capable at the mathemathising stage. 4) factors that affect mathematical literacy skills in terms of the character of independent learning in algebra material are generally influenced by internal factors, namely factors from the students themselves, students are less able to understand, accept, or digest subject matter, students have difficulty planning strategies in problem solving both in using the formula to be used, the rules in operation, do not provide the right steps in answering the questions.Keywords: mathematical literacy skills, learning independence Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1057 10.31316/j.derivat.v7i2.1057 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 117 - 125 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1057/802 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1062 2020-12-20T11:14:17Z derivat:ART

Model Pembelajaran TPS Dengan Pendekatan Open-Ended Untuk Meningkatkan Kemampuan Representasi Matematis Siswa Fernando, Hero Prihatiningtyas, Nindy Citroresmi Mariyam, Mariyam This study aims to determine students' mathematical representation abilities and motivation by applying Think Pair Share (TPS) learning models with an Open-ended approach. This type of quasi-experimental research with the design of the Nonequivalent Pretest-Posttest Control Group Design. The experimental and control classes were given a pretest and a posttest to see the difference in improvement between the two. This study's population was students of class XI, and the sample was not chosen purely randomly, namely by purposive sampling, and two classes were chosen. The instrument used in this study was a test of students' mathematical representation ability and a student motivation questionnaire. Data analysis using statistical tests namely Independent T-test and descriptive analysis in the form of a percentage formula and the average score. The results of data analysis show that: (1) There is a difference in the increase in students' mathematical representation abilities, and the increase in the experimental class is higher than the control class; (2) The average student motivation in each indicator is in the very high category of 92,14%.Keyword: Think Pair Share, Open-ended Approach, Representation, Motivation Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1062 10.31316/j.derivat.v7i2.1062 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 100 - 109 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1062/800 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1068 2020-12-21T13:28:17Z derivat:ART

Disposisi Matematis Dan Kemandirian Belajar Mahasiswa Pada Perkuliahan Daring Berbantuan Google Classroom Masa Covid-19 Friantini, Rizki Nurhana Winata, Rahmat This study aims to analyze the mathematical disposition and self-regulated learning of online lectures with the help of Google Classroom. This type of research is descriptive quantitative. This study's subjects were 34 students of the first semester of the Mathematics Education Study Program consisting of 11 male students and 23 female students determined by the saturated sampling method. From the research results, it can be concluded that students' mathematical disposition through learning assisted by Google Classroom has high criteria. The mathematical disposition of male and female students through learning assisted by Google Classroom has high criteria. Still, the level of mathematical disposition of male students is slightly higher than female students. Meanwhile, student self-regulated learning with the help of Google Classroom obtains very high criteria. For male and female students, both have very high learning independence criteria in carrying out learning with the help of Google Classroom.Keywords: Mathematical Disposition, Self-regulated learning, Google Classroom, Online Lectures, Gender Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1068 10.31316/j.derivat.v7i2.1068 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 53 - 64 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1068/803 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1071 2020-12-20T11:12:12Z derivat:ART

Strategi Kontruktif Dan Dekonstruktif: Proses Identifikasi Pola Bilangan Mahasiswa Calon Guru SD Nurmawanti, Iva Radiusman, Radiusman Haryati, Linda Feni Sobri, Muhammad Anar, Ashar Pajarungi This study aims to describe the process of identifying elementary student teacher candidates using constructive and deconstructive strategies. This study's research subjects were 6th-semester PGSD students of Mataram University who attended elementary mathematics learning courses. This type of research is a descriptive study with a qualitative approach. Data collected in the form of test results about patterns and interviews. Then the data is analyzed. The results of the data analysis showed that there was no difference between the process of identifying student patterns using either constructive or deconstructive strategies. The process carried out by students is seeing the shape of the image compiler, making rules for each image, then determining the next pattern rules based on the rules that have been made previously in each image.Keywords: pattern identification, constructive strategy, deconstructive strategy, figural pattern Pendidikan Matematika Universitas PGRI Yogyakarta 2020-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1071 10.31316/j.derivat.v7i2.1071 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 7 No. 2 (2020): Jurnal Derivat (Desember 2020); 110 - 116 2549-2616 2407-3792 10.31316/j.derivat.v7i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1071/801 Copyright (c) 2020 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1219 2026-02-24T02:07:52Z derivat:ART

Analisis Kemampuan Pemecahan Masalah Matematisc: Dampak Pembelajaran Flipped Classroom Dan Habits Of Mind Berbantuan Aplikasi Exe-Learning Fitriani, Rahayu Supriadi, Nanang Widyastuti, Rany Modern mathematics education must shift from merely "knowing" mathematics to "doing" mathematics. This "doing" process inherently demands strong problem-solving skills, which can only flourish in students who have internalized Habits of Mind as part of their intellectual character. In this study, we report on the effect of a flipped classroom learning model, assisted by the eXe-Learning application, on the mathematical problem-solving abilities of students with high, moderate, and low categories of Habits of Mind. This study employed a quantitative method with a quasi-experimental design. The sampling technique used was cluster random sampling, with classes serving as the clusters. Research data were collected using two types of instruments: test and questionnaires. The data were analyzed using a two-way ANOVA with unequal cell sizes, preceded by prerequisite tests for normality and homogeneity. Based on the analysis, it can be concluded that the flipped classroom model assisted by the eXe-Learning application has a significant effect on both students' mathematical problem-solving abilities and their Habits of Mind. However, the interaction between the flipped classroom model and students' Habits of Mind did not have a significant effect on their mathematical problem-solving abilities. Keywords: Flipped classroom; problem-solving skills; exe-learning; habits of mind Pendidikan Matematika Universitas PGRI Yogyakarta 2025-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1219 10.31316/j.derivat.v12i3.1219 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 12 No. 3 (2025): Jurnal Derivat (Desember 2025); 320 - 330 2549-2616 2407-3792 10.31316/j.derivat.v12i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/1219/5146 Copyright (c) 2025 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/1275 2022-12-30T02:19:03Z derivat:ART

Penerapan Pembelajaran MEA (Means-End Analysis) Berbantuan Schoology Untuk Meningkatkan Hasil Belajar Matematika Sudarman, Satrio Wicaksono Linuhung, Nego The low learning outcomes of students, because they have difficulty in solving the problems given, especially trigonometry material and the lack of interest of students in participating in the mathematics learning process. In addition, teachers and students have not utilized information technology optimally, so efforts are needed to improve student learning outcomes by applying MEA (Means-End Analysis) learning. The research subjects were all class VIII students of SMA Negeri 1 Pekalongan in the 2018/2019 academic year. Research sample is class XI b, which amounted to 22 students. The purpose of this classroom action research to determine the increase in learning outcomes of students who get the MEA (Means-End Analysis) learning model assisted by Schoology. Based on the results of the class action research conducted and the discussion that has been described, it can be concluded that the MEA (Means-End Analysis) learning model assisted by Schoology can improve the learning outcomes of class XI students of SMA Negeri 1 Pekalongan in the 2018/2019 Academic Year. Learning outcomes have increased from pre-survey to cycle I wherein the survey that is 31,82% to 45,45%, students who are thoroughly studied have increased by 13,63%. in cycle II the learning outcomes of students increased from Cycle I is 45,45% to 95,45%, students who have completed learning have increased by 50%.Keywords: learning MEA (Means-End Analysis), Schoology, learning outcomes Pendidikan Matematika Universitas PGRI Yogyakarta 2021-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1275 10.31316/j.derivat.v8i1.1275 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 1 (2021): Jurnal Derivat (Juli 2021); 32 - 40 2549-2616 2407-3792 10.31316/j.derivat.v8i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/1275/1155 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1332 2022-12-30T02:19:03Z derivat:ART

Ekplorasi Bahan Ajar Geometri Dalam Kesinambungan Diskursus Matematika Fitriawan, Dona This research is an exploration of the implementation of learning geometry mathematics through discourse and aims to get a model of theaching materials as adevelopment of those used by lecturers so far. The research was carried out through questionnaires, direct observation, and discussion of critical discourse analysis and was linked to important needs in mathematicals literacy. Exploration is constructed through theoretical reviews, synthesis from previous research, and examples of development though discourse. The contens of the questionnaire follow the natural discourse of the presentation of theacing materials on the dispotitions of lecturers and students. In particular, the exploration of theaching materials as part of the means of disseminating a culture of mathematics, an aesthetic description of mathematics, and dominant aspecs of lecturers and students. Development road maps are done through centralized examination of discourse, where data tajen from oral and written delivery and from texts that extend views on mathematics and by opening the choice of lectures and students. The result showed the depth of the description of teaching materials without the assumption that curriculum were sufficient to obtain the effectiveness of mathematical literacy and as a more contextual product.Keywords: theaching material, curriculum, continuity of the discourse of mathematics Pendidikan Matematika Universitas PGRI Yogyakarta 2021-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1332 10.31316/j.derivat.v8i1.1332 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 1 (2021): Jurnal Derivat (Juli 2021); 11 - 20 2549-2616 2407-3792 10.31316/j.derivat.v8i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/1332/1154 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1497 2022-12-30T02:19:03Z derivat:ART

Pengembangan Perangkat Pembelajaran Menggunakan Model Problem Posing Berorientasi Kemampuan Pemecahan Masalah Matematis Putri, Resyania Aprilla Istikomah, Endang Sthephani, Aulia Zetriuslita, Zetriuslita This study aims to describe the level of validity of mathematics learning tools using the Problem Posing model oriented to mathematical problem solving abilities on statistics which has been tested valid. The development model in this study uses the Plomp model which has three stage, namely the Preliminary Research Phase, the Prototype Phase, the Assessment Phase. The data collection techniques used were  the validation of learning tools. The data collection instrument used was a validation sheet. The data analysis technique used is descriptive statiscal analysis technique. The result of the research validation analysis by three validators obtained an average validation every RPP of each validator was 100% for aspect of indicator one as measured by guttman scale of which are very valid criteria  and 80,36% for aspect of indicator two to seven as measured by likert scale of which are valid criteria, and for the average validation every LKPD of each validator was 93,33% for aspect of indicator one as measured by guttman scale of which are very valid criteria and 75% aspect of indicator two to three as measured by likert scale of which are valid criteria. Based on the results of this study it can be concluded that the development of learning tools using the Problem Posing  model oriented to the mathematical problem solving abilities has been tested for its validity.Keywords: LKPD, RPP, Problem Posing Pendidikan Matematika Universitas PGRI Yogyakarta 2021-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1497 10.31316/j.derivat.v8i1.1497 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 1 (2021): Jurnal Derivat (Juli 2021); 21 - 31 2549-2616 2407-3792 10.31316/j.derivat.v8i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/1497/1159 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1518 2022-12-30T02:19:03Z derivat:ART

Analisis Minat Belajar Siswa Menggunakan Media Pembelajaran E-comic Aritmatika Sosial Masa Pandemi Covid-19 BatuBara, Yosse Andreas Zetriuslita, Zetriuslita Dahlia, Agus Effendi, Leo Adhar The Covid-19 pandemic has become a trending topic of conversation for the past year until now, this pandemic has changed various aspects of human life today, especially in the world of education. This causes students' failure to understand mathematical concepts and students' lack of interest in learning. This study aims to describe students' learning interest in the use of E-comic media in social arithmetic material during the Covid-19 pandemic. This research is a descriptive quantitative research. The sample of the research was the seventh grade students of SMP which consisted of 15 students who were taken randomly. The instrument used in this study is a non-test instrument in the form of a student learning interest questionnaire distributed using Google Form in social arithmetic learning using E-comic which consists of 20 statements as a reference to determine students' interest in learning in the use of E-comic media. The data analysis technique used in this research is quantitative descriptive analysis. The results of this study indicate that the use of E-comic learning media is effective on student learning interest during the Covid-19 pandemic with the percentage results80.67% classified as very high criteria. So that the E-comic learning media is very effectively used as a medium for learning mathematics to increase student interest in learning during the Covid-19 pandemic.Keywords: analysis, E-comic, social arithmetic, covid-1 pandemic  Pendidikan Matematika Universitas PGRI Yogyakarta 2021-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1518 10.31316/j.derivat.v8i1.1518 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 1 (2021): Jurnal Derivat (Juli 2021); 1 - 10 2549-2616 2407-3792 10.31316/j.derivat.v8i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/1518/1153 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1525 2024-01-09T02:17:34Z derivat:ART

Analisis Respon Siswa Terhadap Efektivitas Pembelajaran Matematika Kelas 10 Menggunakan Video Conference Prazella, Thalia Pujiastuti, Heni The COVID-19 pandemic changed the offline learning system to online learning. Video conferencing can help teachers and students in the teaching and learning process to replace face-to-face learning into online. The purpose of this study was to find out how the effectiveness of learning mathematics using Video Conference during online learning. The research method used is a descriptive method using a survey method by describing student responses during learning using Video Conference and the results of the analysis to make conclusions. Video conferencing is effective in helping the teaching and learning process during online learning conditions. Keyword: Response, Video Conference, Mathematics, Online Learning Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article https://journal.upy.ac.id/index.php/derivat/article/view/1525 10.31316/jderivat.v10i1.1525 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 139 - 144 2549-2616 2407-3792 10.31316/jderivat.v10i3 en Copyright (c) 2023 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/1635 2022-01-05T12:18:18Z derivat:ART

Eksplorasi Etnomatematika Pada Benteng Belgica Di Neira Maluku Tengah Fajarwati, Agustri Amelia Faidah, Alifiya Nur Joelian, Elma Hakiki, Hafidzah Diina Purwoko, Riawan Yudi Ethnomathematics is the study of mathematics learning. One of the cultural assets in Indonesia is Belgica Fort which is located on Neira Island, Central Maluku, which has a pentagon shape on the outside. The purpose of this research is to know the history of Belgica Fort and to know the construction of Belgica Fort building which is associated with mathematics in geometric shapes. The research method  is a document analysis by analyzing and reducing data from several articles that become references, with the conclusion that the Belgica Fort building is composed of various forms of flat and spatial shapes. The results of his research that learning mathematics on geometry material associated with Belgica Fort can be used as teaching materials and encourage students to be active in exploring their knowledge through observations made in this ethnomathematics-based learning. Keywords: Fort Belgica, Ethnomathematics, Geometry Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1635 10.31316/j.derivat.v8i2.1635 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 161 - 170 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1635/1293 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1641 2022-12-30T02:19:03Z derivat:ART

Pengaruh Kemandirian Belajar Siswa Terhadap Hasil Belajar Matematika Indah, Ratna Puspita Farida, Anisatul The study aimed to identify the influence of independence for the mathematics  student learning in SMP Al Irsyad Surakarta. The subject of this research are all students of class 8 SMP Al Irsyad Surakarta, which consisted of 120 students and the samples chosen  with random sampling are 49 students in 3 class in the school year 2020/2021. Samples  were taken using the Random sampling technique. The data of independence for the mathematics student learning using a questionnaire. This study using quasi experimental research. The prerequisite using the normality test and linearity test. The normality test by using Kolmogorov Smirnov and the linearity test by using Anova. When the a prerequisite fulfilled, so followed by the Linear Regression. The result showed there are significant impact study of independent learning. Independent learning have a positive influence of mathematics students, although the result is still below 50%. This may be affected by the lack of knowledge students learn about independence, so not been undertaken in full. The conclusions obtained that students could be more improve mathematics learning outcomes.  Keywords: learning, independent learning, mathematics, learning outcomes Pendidikan Matematika Universitas PGRI Yogyakarta 2021-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1641 10.31316/j.derivat.v8i1.1641 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 1 (2021): Jurnal Derivat (Juli 2021); 41 - 47 2549-2616 2407-3792 10.31316/j.derivat.v8i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/1641/1156 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1678 2022-12-30T02:19:03Z derivat:ART

Pengembangan Media Pembelajaran Berbasis Flipbook Pada Materi Sistem Persamaan Linear Dua Variabel Dikelas VIII SMP Widyasari, Intan Zetriuslita, Zetriuslita Istikomah, Endang Herlina, Sari Technological progress is very rapid, especially in the field of education, so teachers and students need to use technology in learning. ICT-based learning media is one of the uses of technology in education with the hope of improving the quality of learning. This study aims to determine the process and produce a product in the form of-based learning media flipbook on the material of a two-variable linear equation system in class VIII SMP. This research is a development research using the ADDIE development model. The data collection technique used is a non-test technique with a data collection instrument in the form of a validation sheet filled out by the validator. Data analysis used quantitative descriptive data analysis. Overall, the feasibility assessment of-based mathematics learning media flipbook on two-variable linear equation system material obtained an average of 85.70%, so-based learning media flipbook on two-variable linear equation system material in class VIII SMP is interpreted as very valid for use.Keywords: Learning Media, Flipbook, Material of Two Variable Linear Equation Systems, Validity Pendidikan Matematika Universitas PGRI Yogyakarta 2021-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1678 10.31316/j.derivat.v8i1.1678 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 1 (2021): Jurnal Derivat (Juli 2021); 61 - 71 2549-2616 2407-3792 10.31316/j.derivat.v8i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/1678/1160 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1679 2022-12-30T02:19:03Z derivat:ART

Pengembangan Bahan Ajar Matematika Berbasis Daring Untuk Meningkatkan Kemampuan Pemecahan Masalah Huda, Irkham Abdaul Astuti, Suhandi The objectives of this study are (1) to develop online-based mathematics teaching materials to improve problem-solving skills in distance learning in the pandemic era and (2) to determine the level of validation of the development of online-based mathematics teaching materials to improve problem-solving skills based on expert validation tests. This R&D research uses the ADDIE model which consists of analysis (analysis), design (planning), development (development), implementation (implementation), and evaluation (evaluation). However, the implementation in this research only reached the development stage. The subjects of this study were class teachers and 5th grade students of SD Negeri Plumutan, Bancak, Semarang Regency. The results of this study are (1) there are three stages in this research and development, namely analyzing the characteristics and initial abilities of students, planning and making teaching materials with the weebly website, and developing by conducting expert validation tests. (2) based on the validation test, material experts give a percentage of 85% with the criteria of "very good", teaching materials experts get a percentage of 90% with the criteria of "very good", and material experts get a percentage of 75% with the criteria of "good".Keywords: development, teaching materials, mathematics, online learning, weebly Pendidikan Matematika Universitas PGRI Yogyakarta 2021-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1679 10.31316/j.derivat.v8i1.1679 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 1 (2021): Jurnal Derivat (Juli 2021); 48 - 60 2549-2616 2407-3792 10.31316/j.derivat.v8i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/1679/1164 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1727 2021-12-28T08:35:56Z derivat:ART

Pengembangan Video Pembelajaran Kalkulus Untuk Memahamkan Konsep Sumargiyani, Sumargiyani Susandi, Ardi Dwi Ainurrahman, Muhammad Asrori Nafi'ah, Bidayatun This research is motivated by the difficulty of students understanding the concept of integration techniques through bold learning, so that a concept understanding-based learning video is needed for flat area material. This study aims to develop learning videos and determine the validity and practicality of the videos produced. This type of research is in the form of ADDIE model development research (Analysis, Design, Development, Implementation, Evaluation). The research subjects were class B students, batch 2020, the Ahmad Dahlan University Mathematics Education study program. The results of the assessment from material experts obtained an average score of 4.77 with very good criteria, from material experts obtained an average score of 4.55 with very good criteria, and from student responses a score of 3.50 was obtained with good criteria so that it can be concluded that the video Integral calculus learning is valid and practical to use. Keywords: integral calculus, learning videos, trigonometric functions Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1727 10.31316/j.derivat.v8i2.1727 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 129 - 139 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1727/1287 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1862 2021-12-28T08:35:56Z derivat:ART

Pengembangan E-modul Berbantuan Software Algebrator pada Materi Bilangan Berpangkat dan Bentuk Akar Kelas X SMK Putri, Mei Yuriska Effendi, Leo Adhar Rezeki, Sri Istikomah, Endang The use of technology in education has a significant impact in educating and educating the nation's life, and can help create new innovations. One of the innovations created is the emergence of the concept of electronic learning (e-learning). E-learning is useful for students and teachers to get learning materials easily, one of which is by using e-module teaching materials. This study aims to determine the process and produce a product in the form of an e-module of teaching materials assisted by algebrator software on the material of rank numbers and root forms for class X SMK. This type of research is development using ADDIE floating model. The instrument used in this study is a non-test instrument, namely a validation questionnaire, and the data obtained from a validation questionnaire that has been filled out by the validator. The data will be analyzed descriptively quantitatively. Overall, the feasibility of the e-module assisted by algebrator software on the material of numbers and root forms obtained an average of 86.35%, so that the e-module assisted by algebrator software on the material of numbers and roots of class X SMK is interpreted as very valid to use. Kata Kunci: E-module, Algebrator Software, Exponents and Roots, Validity Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1862 10.31316/j.derivat.v8i2.1862 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 117 - 128 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1862/1286 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1899 2021-12-28T08:35:56Z derivat:ART

Solusi Optimal Pencarian Jalur Tercepat Menggunakan Algoritma Dijkstra Untuk Mencari Lokasi Cafe Di Bumiayu Alifiani, Intan Abdillah, Muhamad Aznar Saliha, Ilsa The purpose of this study are (1) to represent the route of café location in Bumiayu in the form of graph, (2) To find a solution from the application of the Dijkstra’s algorithm to find location of café in Bumiayu, and (3) To find the recommended fastest route. The method used in this research is literature study, data collection, problem solving, and drawing conclusions. The results showed that (1) the route of café location in Bumiayu could be represented in the form of a graph, (2) the solution was found the implementation of Dijkstra’s algorithm to find the fastest route for the café location in Bumiayu, and (3) the recommended fastest route was obtained from the starting point (v32) to 14 café locations in Bumiayu (v1,v2,v3,v5,v7,v8,v9,v10,v12,v16,v19,v23,v27,v30). There are 13 café locations that match the recommended fastest route based on the calculation of Dijkstra’s algorithm. The route from starting point (v32) to due café (v9) is one example that Dijkstra’s algorithm does not always choose the smallest weight on each side but chooses the fastest route based on the total distance traveled. There is a discrepancy in the recommended fastest route from starting point (v32) to ratawit (v19). Keywords: Dijkstra, fastest route, optimal solution Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1899 10.31316/j.derivat.v8i2.1899 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 140 - 148 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1899/1288 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1927 2021-12-28T08:35:56Z derivat:ART

Pengembangan E-Modul Berbasis Pendekatan Contextual Teaching And Learning Pada Materi Barisan Dan Deret Untuk Meningkatkan Minat Belajar Siswa SMP Martin, Martin Syamsuri, Syamsuri Pujiastuti, Heni Hendrayana, Aan This study aims to produce e-modules with a contextual teaching and learning approach that is valid, practical, and effective to increase students' interest in learning. This development research uses the Plomp model which consists of three phases, namely the preliminary research phase, the prototyping phase, and the assessment phase. The prototype trial was conducted on 16 eighth grade students of SMPN 1 Tirtayasa, Indonesia. The research instrument consisted of an expert validation sheet to assess the validity, a student response questionnaire to assess practicality, and a student learning interest questionnaire to assess the effectiveness of the e-module. This research produces an e-module with a contextual teaching and learning approach to increase the interest of junior high school students in learning mathematics in the context of everyday life. Although the increase in student interest in learning is still relatively low, overall the e-modules developed are considered valid, practical, and effective, so that they are suitable for use in learning mathematics in junior high schoolsKeywords: Mathematics Module, Contextual Teaching and Learning Interest in Learning Mathematics Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1927 10.31316/j.derivat.v8i2.1927 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 72 - 87 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1927/1282 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1934 2023-01-02T07:59:47Z derivat:ART

Analisis Kesalahan Siswa Dalam Menyelesaikan Soal Cerita Matematika Berdasarkan Prosedur Newman: Analysis of Student Errors in Solving Math Story Problems Based on Newman's Procedure Afriandani, asni Wahyuddin Nursakiah The main purpose of this study is to describe the errors and causes of student errors in solving math story problems with a two-variable linear equation system based on the Newman procedure. This type of research is a descriptive study with a qualitative approach which was carried out at SMP Negeri 3 Salomekko. The subjects of this study consisted of 3 people who were taken each 1 student with low ability, medium ability and high ability. Data collection techniques used test and interview methods, and instrument validation was carried out with 2 expert validation stages. Technical data analysis using descriptive analysis and qualitative data analysis starting from data reduction, data presentation and drawing conclusions. From the results of the study, it was concluded that high-ability subjects made misunderstandings and errors in writing the final answer. Subjects who are capable of making transformation errors, process skill errors and writing errors in the final answer. Low-ability subjects made reading errors, understanding errors, transformation errors, process skills errors and writing errors in the final answer. The causes of student errors are 1) reading errors are caused by haste and confusion in interpreting the meaning of the word. 2) misunderstandings are caused by lack of knowledge in interpreting the meaning of words and forgetting. 3) the transformation error is caused by not understanding the problem and being confused about working on the problem. 4) process skill errors are caused by lack of thoroughness and haste. 5) the error in writing the final answer is caused by lack of thoroughness, haste, and did not find the final result.  Keyword: Student errors, Solving math story problems, Newman procedure Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1934 10.31316/jderivat.v9i2.1934 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 202 - 212 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1934/2743 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/1964 2021-12-28T08:35:56Z derivat:ART

Pengembangan Video Edukatif Volume Bangun Ruang Berbasis Etnomatematika Makanan Tradisonal Via Youtube Lisgianto, Afifudin Suhendri, Huri The purpose of this research is to produce an educative video of volume building based on the ethnomathematics of traditional food through Youtube. This study uses the Hannafin and Peck development model which consists of 3 stages, namely the needs analysis stage (Analyze), the design stage (Design), the development and implementation stages (Development & Implementation). Collecting data in this study using interviews and questionnaires. The instruments that accompany this research are a material expert and media expert validation questionnaire sheet, as well as a small group trial questionnaire. The results of the validation in the study showed that the educational video developed had met the eligibility criteria for the material expert test with a proportion of 78.9%, met the criteria very feasible for the media expert test with a proportion of 82.4%, met the eligibility criteria for a small group trial with a percentage of 77 ,5%. Based on these results, the ethnomathematics-based educational video developed is feasible to be used as a medium for learning mathematics in SMK.Keywords: Educational video, Spatial Building Volume, Ethnomathematics, Youtube Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1964 10.31316/j.derivat.v8i2.1964 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 107 - 116 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1964/1285 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1965 2022-08-29T06:50:05Z derivat:ART

Etnomatematika: Eksplorasi Uma Lengge Untuk Pembelajaran Matematika Di Sekolah Farhan, Muhamad Apriyanto, M. Tohimin Hakim, Arif Rahman This research was conducted to explore the elements of mathematics (ethnomathematics) contained in the Uma Lengge building that is located in Bima, West Nusa Teggara (NTB), Indonesia. The research used a qualitative method with an ethnographic approach. The data were obtained from literature studies, observation, and documentation. Observation and documentation were used to identify and explore the elements of mathematics (ethnomathematics) contained in the Uma Lengge building, literature studies are used to find out more about the cultural values that exist in the uma lengge building as an application in learning mathematics. The results show elements of mathematics (ethnomathematics) in the uma lengge contain plane figure namely the concept of square, rectangle and triangle, concept of parallel and perpendicular lines, concept of geometry namely triangular prism and concept of similarity in triangle. The implication of this research is that the cultural elements contained in the uma lengge building can be used in mathematics learning applications in schools. Keywords: ethnomathematics, uma lengge, math learning Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1965 10.31316/j.derivat.v8i2.1965 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 98 - 106 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1965/1284 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1966 2024-01-07T14:41:40Z derivat:ART

Analisis Kesalahan Siswa Kelas IX MTs Al-Huda Dolok Sinumbah Kabupaten Simalungun Dalam Menyelesaikan Soal Persamaan Kuadrat Lumban Batu, Jeriko Limbong, Ditya Khairani This study aims to identify and describe student errors based on concepts errors, principles errors, and operations errors in solving quadratic equation material. This type of research is descriptive qualitative. The subjects of this study were the IX grade students of MTs Al-Huda Dolok Sinumbah Simalungun in the 2021/2022 academic year as many as 20 people, and the samples were taken were 10 people with the most error criteria. Data was collected using a written test. Based on the results of data analysis, it can be found that students' errors in solving quadratic equations are: (1) conceptual errors, namely not knowing the concept of determining a quadratic equation, not knowing the concept of finding the roots of a quadratic equation, and not knowing the concept of determining a new quadratic equation. (2) principles errors, namely students do not know how to determine quadratic equations. (3) operation errors, namely student errors in calculating multiplication results.  Keywords: Error Analysis, Quadratic Equation Pendidikan Matematika Universitas PGRI Yogyakarta 2023-08-17 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article https://journal.upy.ac.id/index.php/derivat/article/view/1966 10.31316/jderivat.v10i2.1966 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 2 (2023): Jurnal Derivat (Agustus 2023); 95 - 102 2549-2616 2407-3792 10.31316/jderivat.v10i2 en Copyright (c) 2023 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/1972 2022-08-29T06:46:35Z derivat:ART

Etnomatematika: Persamaan Garis Lurus dengan Media Geogebra Hikmah, Rezkiyana Nengsih, Retno The development of GeoGebra media is a technology contribution to the education's world, especially mathematics. The use of GeoGebra media and  its association with egrang game aim to instill the concept of parallelism, perpendicularity, crossing, and slope of the line. This study aims to see how the students mathematics understanding ability is and whether the enhancement of it by using Geogebra media is better than ordinary learning. The samples were students in grade VIII  at SMPN 1 Cibinong in 2019/2020. The number of samples is 60 students. This research is a quasi-experimental research design with a non–equivalent control group. The instrument was a test (pretest and posttest)  to see the n gain of understanding ability. Data were analyzed using the Mann-Whitney test. The results are students mathematics understanding ability with Geogebra is not better than without Geogebra and the enhancement of it by using Geogebra media  is  better than without Geogebra media at SMPN 1 Cibinong in 2019/2020. Keywords: GeoGebra Media, Ethnomathematics, Understanding Ability   Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1972 10.31316/j.derivat.v8i2.1972 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 88 - 97 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1972/1283 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/1983 2024-01-07T14:41:40Z derivat:ART

Pengaruh Self-Efficacy Terhadap Hasil Belajar Matematika Pada Pembelajaran Tatap Muka Terbatas Ismawati, Yesi Latif, Burhanuddin The achievement of learning outcomes is usually influenced in students, one of which is self-efficacy. This study aims to determine the effect of self-efficacy on mathematics learning outcomes for students at 9th grade of MTsN 5 Sleman in limited face-to-face learning. This study uses a quantitative approach ande the type is survey research. The data collection instrument used a self-efficacy questionnaire and mathematics learning outcomes were obtained through a daily assessment test of geometric transformation material. The analytical technique used descriptive statistical analysis and inferential statistical analysis, namely simple linear regression. The results showed that: (1) the contribution of self-efficacy influence of independent variables on the dependent variable mathematics learning outcomes by 2.3% and the remaining 97.7% is influenced by other variables not examined, (2) the analysis results showed that the value of thitung = -1.135 <t???????????????????? = 2,005 with significant value = 0.261 > α = 0.05, so there is no influences of self-efficacy on learning outcomes math class IX students MTsN 5 Sleman-face learning is limited, which means influenced by other factors which is not the focus of this study. Keywords: mathematics learning outcomes, limited face-to-face learning, self-efficacy Pendidikan Matematika Universitas PGRI Yogyakarta 2023-08-17 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article https://journal.upy.ac.id/index.php/derivat/article/view/1983 10.31316/jderivat.v10i2.1983 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 2 (2023): Jurnal Derivat (Agustus 2023); 103 - 111 2549-2616 2407-3792 10.31316/jderivat.v10i2 en Copyright (c) 2023 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/1996 2021-12-28T08:35:56Z derivat:ART

Transformasi Fourier Multiplikatif Dan Aplikasinya Pada Persamaan Diferensial Multiplikatif Azhar, Aurizan Himmi Sugiyanto, Sugiyanto Musthofa, Muhammad Wakhid Riyanto, Muhamad Zaki This research is a development of multiplicative calculus. This study is about the Fourier multiplicative transformation and its application to the multiplicative differential equation. This study aims to determine the Fourier multiplicative transformation as well as the multiplicative differential equation. This study contains numerical simulations to solve the problem of ordinary multiplicative differential equations of the first order. The methods used in this research are descriptive research methods through the study of literature. The results of this study are the application of multiplicative Fourier transformations to multiplicative differential equations and numerical solutions of ordinary multiplicative differential equations with the Adam Bashforth-Moulton multiplicative method.  Keywords: Multiplicative Calculus, Fourier Multiplicative Transformation, Multiplicative Differential Equations, Adams Bashforth Moulton Multiplicative Method Pendidikan Matematika Universitas PGRI Yogyakarta 2021-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/1996 10.31316/j.derivat.v8i2.1996 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 8 No. 2 (2021): Jurnal Derivat (Desember 2021); 149 - 160 2549-2616 2407-3792 10.31316/j.derivat.v8i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/1996/1289 Copyright (c) 2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2021 2022-12-30T02:19:15Z derivat:ART

Analisis Model Kooperatif Dalam Pembelajaran Blended Learning Statistika: (STAD dan Jigsaw) Yulianti, Riska Nengsih, Luluk Wahyu Rosadi, Asep This research is an experimental study that aims to determine the difference in learning outcomes between students who are taught using the STAD cooperative learning model and those who are taught using the Jigsaw cooperative learning model. The population in this study was all students in class XI SMK Negeri 2 Jayapura for the academic year 2021–2022, totaling 111 people. The sample was taken using a purposive sampling technique, totaling 51 people, consisting of two classes, namely class XI, Office 3, and Class XI, Office 4. Class XI Office 3 (experimental class) is a class that is taught using the STAD cooperative learning model, and Class XI Office 4 (control class) is a class that is taught using the Jigsaw cooperative learning model. The obtained data were then analyzed using parametric statistics via a t-test. The results showed that: 1) there was no significant difference in mathematics learning outcomes between students taught by the STAD type of cooperative learning model and students who were taught by the Jigsaw type of cooperative learning model; 2) the mean of mathematics learning outcomes of students who are taught the STAD type of cooperative learning model is lower than that of students who are taught the JIGSAW type of cooperative learning model, which is 62.61 smaller than 70.43.Keywords: Cooperative model, Blended learning, Statistics Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2021 10.31316/j.derivat.v9i1.2021 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 1 - 7 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2021/2106 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2057 2022-12-30T02:19:15Z derivat:ART

Penerapan Operasi Hitung Bilangan Bulat Bernuansa Etnomatematika Melalui Media Wayang Singkong Rahmawati, Dhian Nuri Setiana, Dafid Slamet Subarkah, Edi Pardimin, Pardimin Irfan, Muhammad Ethnomathematics is the integration of cultural elements into mathematics learning. To foster a sense of love and preserve the cultural heritage of the past, the mathematical elements contained in the culture of the community need to be studied further. This study aims to identify and describe the application of ethnomathematical integer arithmetic operations through cassava puppet media in activating student learning activities and preserving traditional games. This research is a qualitative descriptive study. The subjects in this study were 10 students of class VI group B SD Rejosari Tanjungsari. The method of data collection in this research is the method of observation, interviews, and documentation. The results of this study are: the use of cassava puppet media in the addition and subtraction of integers goes according to expectations, namely student activities in learning show positive results. It also preserves traditional games by introducing wayang cassava as an entertainment medium as well as a learning medium.Keywords: arithmetic operations, integers, media, cassava puppets Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2057 10.31316/j.derivat.v9i1.2057 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 47 - 57 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2057/2109 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2275 2022-12-30T02:19:15Z derivat:ART

Pengembangan LKPD Elektronik Materi Perbandingan Trigonometri Pada Segitiga Siku-Siku Berbasis Etnomatematika Riza, Muhammad Fajriah, Noor Hidayanto, Taufiq Online learning was an option during the COVID-19 pandemic, so teachers cannot directly see the activities of their students. Therefore, exciting teaching materials were needed and facilitate independent learning for students. Based on this, an electronic LKPD for trigonometric comparisons in ethnomathematical-based right triangles was developed in the cultural heritage buildings of Banjarmasin City. The purpose of this research was to produce valid LKPD. This study uses the research and development (RnD) method with a 4D model but was carried out only up to three stages: define, design, and develop. The results of material validation based on aspects: format, content, language, and culture were declared valid. Meanwhile, based on media validation, which was seen from the elements: design and ease of operation are also categorized as accurate, so an ethnomathematics-based electronic LKPD was obtained in a valid Banjarmasin City cultural heritage building. Electronic LKPD still needs to be tested on students to be used in the learning process.Keyword: Electronic student worksheets, trigonometric comparisons, ethnomathematics, cultural heritage buildings. Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-04 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2275 10.31316/j.derivat.v9i1.2275 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 20 - 31 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2275/2108 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2639 2023-01-02T07:59:47Z derivat:ART

Prediksi Performa Mahasiswa Menggunakan Model Regresi Logistik Nurmalitasari, Nurmalitasari Purwanto, Eko Prediction of student performance is an important thing for a university. This is because it can help a university to prevent or treat students who are at risk of failing in their studies early. This study aims to predict student performance at Duta Bangsa Surakarta University (UDB). The model used in this study is a logistic regression model. Logistic regression is a mathematical modelling method used to determine the relationship between a binary dependent variable and one or more independent variables. The results showed that the logistic regression model could be used to predict student performance with MAPE by 8%.  Keyword: Student Performace, Logistic Regression, UDB, MAPE Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2639 10.31316/jderivat.v9i2.2639 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 145 - 152 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/2639/2730 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/2651 2022-12-30T02:19:15Z derivat:ART

Analisis Kesalahan Mahasiswa Dalam Menyelesaikan Soal Persamaan dan Pertidaksamaan Pada Mata Kuliah Kalkulus I Janan, Tuhfatul The goal of this research is to give description about the various errors that students make in solving equations and inequalities in the calculus I subject. The method in this research is qualitative and the subjects in this research were semester 1 students of Tadris Mathematics study program STAI Muhammadiyah Probolinggo. The techniques to collect the data were examinations and interviews. Based on the results of the study, it was concluded that there were 8 errors by the subjects in solving equations and inequalities in the calculus I course, namely errors in writing the equal sign , writing the conjunction or , equating the denominator of a linear equation, moving a number from one side to another in the equation linear, writing curly brackets , determining the situation of the numerator and denominator of fractions less than zero, writing down the interval sign and less than , and errors in writing the solution set.Keywords: Error Analysis, Equation, Inequality, Calculus Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2651 10.31316/j.derivat.v9i1.2651 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 8 - 19 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2651/2105 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2672 2022-12-30T02:19:15Z derivat:ART

Analisis Kemampuan Berpikir Kreatif Matematis Siswa SMP Ditinjau Dari Karakteristik Tanggung Jawab Rahayu, Nindi Sri Khusna, Hikmatul This study is a qualitative descriptive study, which aims to describe the mathematical creative thinking ability of middle school students from the characteristics of high, medium and low students' sense of responsibility. By using purposive sampling technique, the subject of this research consisted of 3 students. Data collection techniques in this study used test and non-test techniques using instruments supporting the characteristics of responsibility, mathematical creative thinking ability test I, interview guidelines, and mathematical creative thinking ability test II. Data analysis in this study includes data reduction, data representation and data conclusions.There are differences in mathematical creative thinking abilities between students with the characteristics of high, medium, and low level student responsibility. Indicators of mathematical creative thinking ability can be achieved by students with high responsibility characteristics. Meanwhile, students with medium and low responsibility characteristics have not been able to achieve the four indicators of mathematical creative thinking. Keywords: Mathematical creative thinking, responsibility characteristics. Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2672 10.31316/j.derivat.v9i1.2672 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 58 - 69 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2672/2110 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2711 2023-01-02T07:59:47Z derivat:ART

Kemampuan Pemecahan Masalah Matematis Mahasiswa PGMI Pada Materi Volume Bangun Ruang: PGMI Students' Mathematical Problem Solving Ability in Constructing Volume Material Siregar, Nurdiana Describing the mistakes that are often made by PGMI students in solving the mathematical problem solving ability test on the material of volumetric shapes is the basic goal of this research. This research belongs to the type of descriptive research with the object of research being fourth semester PGMI students at one of the State Universities (PTN) of North Sumatra province. The sample of data sources collected is 34 people with heterogeneous ability levels. The data source collection instrument was carried out using an essay test. The flow of data analysis is carried out by reducing the data then presenting the data in the form of tables and figures, finally drawing conclusions. The results of this study revealed that the error experienced by students was in understanding the concept of volume incorrectly and it was assumed that they were unable to distinguish the concept of surface area from volume. The next aspect is the lack of accuracy in understanding the text of the question which ultimately solves the problem with wrong perceptions, the answers are not arranged logically and systematically with the stages of problem solving, and errors at the counting stage in getting the final answer. Keywords: Error Analysis; Problem solving skill; Geometry Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2711 10.31316/jderivat.v9i2.2711 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 113 - 122 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/2711/2727 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/2736 2023-07-22T13:50:56Z derivat:ART

Efektivitas Model Pemeblajaran CORE (Connecting, Organizing, Reflecting, Extending) Dengan Strategi Student Facilitator And Explaining Terhadap Pemahaman Konsep Matematis Siswa utami, intan tri Dian Kartika Sari, Lisma Surur, Miftahus AbsrtactMathematics is one of the compulsory subjects taught at all levels of education. a model is neededto support students' needs to improve students' understanding of concepts. The CORE learningmodel with the Student facilitator and explaining strategy is very good in improving students'understanding of mathematical concepts. The purpose of this study was to determine theeffectiveness of the CORE model with a student facilitator and explaining strategy on students'understanding of mathematical concepts. This study uses a quantitative method with a quasiexperimental approach and a non-equivalent control group design. the author conducted a test ofvalidity, normality, homogeneity and reliability of the test to determine the correctness andsuitability of the instrument used. From the calculation results, the results of the test have a validvalue and have a normal distribution. For the homogeneity and reliability test, all items werehomogeneous. The calculation using the Crombach alpha reliability test was obtained for all itemsmore than 0.05, so all items on the test were appropriate or reliable. It is known that the results ofthe t-test analysis in the experimental class have an average value (mean) of 63.7 post-test andpre-test of 47.5, the increase in the average result is known to be 16.2 for all test results. Inaddition, from the results of the percentage of the effectiveness of the model category, the result isa value of 63.75. So, from these results the category of effectiveness of the learning model isincluded in the category of quite effective. Keywords: Effectiveness, CORE Model and Student Facilitator and Explaining Strategy, Understanding Mathematical Concepts Pendidikan Matematika Universitas PGRI Yogyakarta 2023-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2736 10.31316/jderivat.v10i1.2736 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 1 (2023): Jurnal Derivat (April 2023); 1 - 10 2549-2616 2407-3792 10.31316/jderivat.v10i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2736/3103 Copyright (c) 2023 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/2758 2022-12-30T02:19:15Z derivat:ART

Analisis Pembentukan Portofolio Optimal Saham-Saham JII30 Dengan Model Indeks Tunggal Periode New-Normal Huda, Miftahul Abdullah, Syarif Chasanah, Sri Istiyarti Uswatun Mursyidah, Himmatul Ikhsan, Fajri Susilo, Sidik Sukandar, Rani Septiani The purpose of this research is to analyze the formation of the optimal portfolio on the Jakarta Islamic Index 30 (JII30) stocks during the new normal period. The model used is a single index model. This study uses secondary data for the period December 2020 - November 2021 from stocks listed on JII30 on the Indonesia Stock Exchange. The results showed that the selected model provides optimal benefits. The risk-free asset return does not provide a higher return than the simulation results. Of the 30 stocks listed in JII30, obtained 7 stocks with the most significant proportion of funds, namely ERAA (25.72%), MDKA (24.87%), TLKM (17.98%), EXCL (12.82%), AKRA (7.54%), ADRO (6.73 %) and ANTM (4.34%). The formation of the optimal portfolio in this study produces an expected return of 0.009974 or 1%, where the portfolio return is above the market rate of return and the average risk-free rate. Meanwhile, the optimal portfolio risk obtained is 0.003173 and the standard deviation is 0.056327 or 5.63%. The impact of the Covid-19 pandemic which has subsided and the economy is getting better has resulted in the formation of an optimal JII30 portfolio that can be carried out and reduce investment risk during the new normal period. Keywords: Jakarta Islamic Index 30 (JII30), Single Index model, new normal, Optimal portfolio Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2758 10.31316/j.derivat.v9i1.2758 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 32 - 46 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2758/2107 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2832 2022-12-30T02:19:15Z derivat:ART

Pengelompokan Kabupaten Dan Kota Di Provinsi Jawa Timur Berdasarkan Tingkat Kesejahteraan Dengan Metode K-Means Dan Density-Based Spatial Clustering Of Applications With Noise Jatipaningrum, Maria Titah Azhari, Suci Eka Suryowati, Kris East Java Province has an uneven welfare condition. The uneven welfare conditions are indicated by a large number of poor people in East Java and the rate of economic growth which has decreased in 2020, reaching -2.39% due to the impact of the pandemic. Welfare can be measured through several indicators, while the indicators used to classify districts and cities in East Java among others include population density, labor force, labor force participation rate, and open unemployment rate. Thus, to find out the grouping of regencies and cities in East Java Province based on the level of welfare, grouping was carried out using the K-Means and Density-Based Spatial Clustering of Applications with Noise (DBSCAN) methods. For each of the two methods, distance calculations are performed using the Euclidean and Manhattan distances. Each distance was tested for validity using the Davies-Bouldin Index (DBI), C-Index, and Dunn Index. This study concludes that the best method is the DBSCAN method using Manhattan distance with MinPts = 2 and eps = 4 which has the smallest DBI value of 0.284, with 2 clusters formed and 5 noise. Cluster 1 consists of 26 regencies, cluster 2 consists of 7 cities, and noise consist of 5 regencies and cities. Keywords: Welfare, K-Means, DBSCAN, Euclidean Distance, Manhattan Distance. Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2832 10.31316/j.derivat.v9i1.2832 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 70 - 81 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2832/2111 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/2936 2023-01-02T07:59:47Z derivat:ART

Modifikasi Metode Iterasi Behl Tanpa Turunan Kedua Dengan Orde Konvergensi Optimal Wartono, Wartono Soleh, Mohammad Behl iterative method is a third-order of iterative method with three evaluation of functions for solving nonlinear equation. This paper discuss a modification of Behl iterative method by reduced second derivative using hiperbolic function. The aim of this modification is to improve the order of convergence by keep the number of functional evalutions. The result od  study shows that the new iterative method has a fourth-order of convergence and requires three evalualions of funtion with efficiency index as 41/3 » 1,5874. Numerical simulation is given by using six real functions to test the performance of  the modification of  Behl method  which includes  number of iterations, evaluation of function, and absolute error. The performance of new method is compared with Newton method, Newton-Steffensen, Chun-Kim method, and Behl’s  method. The result of numerical simulation shows that the performance of the modification of Behl’s method is better than others.   Keyword: Behl  method, order of convergence, efficiency index, evaluation of function, numerical simulation Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2936 10.31316/j.derivat.v9i1.2936 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 224 - 235 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/2936/2745 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/2990 2022-12-30T02:19:15Z derivat:ART

Penerapan Model Discovery Learning Untuk Meningkatkan Keaktifan Belajar Siswa Saat Pandemi Handita, Yoga Handita Prasetyo, Puguh Wahyu Sugiyem, Sugiyem The education sector is feeling the impact of the COVID-19 pandemic. During the pandemic, the procedure for teaching and learning activities (TLA) changes according to the circumstances, this greatly affects the level of student learning activity (SLA). The purpose of this study is to improve SLA using the discovery learning mode (DLM) which is accompanied by the TPACK approach in mathematics teaching and learning. The type of research used is classroom action research (CAR), in this CAR it uses two cycles and each cycle has two meetings. This PTK takes the research subject, namely students of class X MIPA 2 SMAN 1 Bantul in the even semester of the 2021/2022 academic year. The results of this CAR show that there is an increase in SLA in mathematics learning using MDL. The increase in the SLA value can be seen from the pre-cycle results with the percentage value of 62.8% increasing to 71.42% after going through the action during the first cycle, then during the second cycle there was an increase with the percentage value of 89.7%. In cycle II, all SLA indicators have reached the desired criteria. The desired SLA criteria are with a minimum score percentage of 75% with high criteria.Keywords: discovery learning, Classroom Action Research, Student Learning Activity Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/2990 10.31316/j.derivat.v9i1.2990 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 82 - 94 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/2990/2113 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/3045 2022-12-30T02:19:15Z derivat:ART

Pengembangan LKPD Berorientasi Model Pembelajaran Flipped Classroom Pada Materi Aritmatika Sosial Kelas VII SMP Anzalna, Lingga Misdalina, Misdalina Nopriyanti, Tika Dwi This study aims to produce LKPD oriented to the flipped classroom learning model on social arithmetic material for class VII SMP that is valid, practical and effective. The type of research conducted is Research and Development (RnD). The development model used in this research is the ADDIE development model which consists of the Analysis stage, Design stage, Development stage, Implementation stage, and Evaluation stage. The LKPD was tested on seventh grade students at SMP Negeri 15 Palembang. The research data were obtained from validation questionnaires, student response questionnaires, and learning outcomes tests. The percentage score of the validity level was 89.3% with a very valid category which was assessed by three expert validators, namely two lecturers and one educator. The level of practicality after being tested on students got a score percentage of 83.2% which was in the very practical category. And based on the results of learning tests from students after using the LKPD oriented to the flipped classroom learning model, they were in the good category with an average score of 77, so that the LKPD was effectively used.Keywords: Social Arithmetic, Flipped Classroom, LKPD Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/3045 10.31316/j.derivat.v9i1.3045 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 95 - 103 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/3045/2115 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/3138 2023-01-03T04:26:40Z derivat:ART

Optimalisasi Biaya Transportasi Produk UMKM Naturies Indonesia Dengan Metode Northwest Corner Dan Vogel’s Approximation Yuliana, Yuliana Tasari, Tasari Setiyaningsih, Anita Munif, Fika Aisyah Putri, Miftacha Febriani Naturies Indonesia is one of the UMKM for spice drinks in Macanan, Klaten, Central Java which is developing. As one of the growing UMKM, Naturies Indonesia is experiencing problems related to the distribution of its products. Naturies Indonesia has incurred transportation costs of Rp.442,100.00 per week in distributing its products to 5 distributors (Kudus, Jakarta, Shopee, Bandung, and offline). Due to human resource constraints, Naturies Indonesia does not yet have a thorough plan to reduce shipping costs in allocating products from production sites to customers or distributors. Through this applied research, this research aims to find the optimization of product delivery costs. Data were collected through interviews and documentation, then analyzed using the Northwest Corner and Vogel's Approximation methods. Analysis using the Northwest Corner method found a shipping cost of IDR 431,600.00, while the Vogel's Approximation method found a shipping cost of IDR 427,900.00. The shipping costs found were actually lower than the financing that had been issued so far.  Keyword: northwest cor, spice drinks, optimization of transportation, UMKM Naturies Indonesia, vogel’s approximation Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/3138 10.31316/jderivat.v9i2.3138 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 246 - 257 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/3138/2767 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/3188 2022-12-30T02:19:15Z derivat:ART

Kepraktisan E-Module Berbasis Project Based Learning Pada Materi Vektor Mufidah, Nadiyah Nopriyanti, Tika Dwi Ningsih, Yunika Lestaria The purpose of this study is to evaluate the feasibility of vector e-modules based on project-based learning for students in class X SMA. This study is a continuation of development research using a 4D model (define, design, development, and dissemination). The feasibility of the e-module is assessed in the development section, which includes three trial stages: one-to-one, small group, and field test. 35 students from SMA Negeri 15 Palembang participated in this study. Questionnaires, interviews, and written tests were used to collect data. The results of the questionnaire and written test were analyzed quantitatively, while the data from interviews were analyzed qualitatively. Based on the results of the one-to-one stage, it is clear that the e-module has an interesting appearance, is simple to use, and includes videos to help students understand the material. The e-module has a practicality level of 77,4 % in the small-group stage and 79,4 percent in the field test stage. This data is backed up by students' ability to solve vector material problems in the e-module, which is 78.4 percent at the field test stage. Based on the data analysis results, it is possible to conclude that the e-module vector based on project-based learning is practically used in learning with a moderate level of practicality. Keywords: E-Module, Project Based Learning, Vector Pendidikan Matematika Universitas PGRI Yogyakarta 2022-07-22 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/3188 10.31316/j.derivat.v9i1.3188 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022); 104 - 112 2549-2616 2407-3792 10.31316/j.derivat.v9i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/3188/2117 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika

oai:ojs2.journal.upy.ac.id:article/3530 2023-06-09T15:04:45Z derivat:ART

Ethnomatematika Pada Bentuk Bangunan Rumah Marga Tjhia Di Singkawang serly, serly Jamilah, Jamilah Oktaviana, Dwi Ardiawan, Yadi Abstract This research is a study of mathematics related to ethnomathematics at the house of the Tjhia clan in Singkawang. This study aims to find the mathematical concepts contained in the form of the house building so that it can be used for learning mathematics. This type of research is descriptive qualitative research. In this study, the instruments used were interview and documentation guidelines. This study will examine more deeply the history of the Tjhia Marga House and the mathematical aspects contained in the house. The mathematical concepts found in the house are the concepts of congruence and similarity, the area of ​​the flat wake, the shape of the space, the type of line and its position. Keywords: Ethnomathematics, Rumah Marga Tjhia Singkawang, mathematical aspects, traditional houses. Pendidikan Matematika Universitas PGRI Yogyakarta 2023-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/3530 10.31316/jderivat.v10i1.3530 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 1 (2023): Jurnal Derivat (April 2023); 30 - 39 2549-2616 2407-3792 10.31316/jderivat.v10i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/3530/3004 Copyright (c) 2023 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/3586 2025-10-07T15:28:42Z derivat:ART

Meta-Analisis Kualitatif Kajian Ilmiah Self Regulated Learning dalam Pembelajaran Matematika: Qualitative Meta-Analysis of Scientific Studies of Self Regulated Learning in Mathematics Learning Latifah, Kholifah Nur Sukirwan Anwar Hadi Firdos Santosa, Cecep Several studies on self-regulated learning show that self-regulated learning is related to learning outcomes. In this study it was concluded that individuals will get good results, if they have good self-regulation. But the researchers found research that contradicted this conclusion. The purpose of this study was to find out how to make self-regulated learning directly proportional to student learning outcomes. Research that can be done to find out the description of the research results is a meta-analysis. Subjects were taken from two scientific databases, namely the thesis database for students majoring in Mathematics Education UNTIRTA and scientific articles from the International Journal of Science and Mathematics Education about self-regulated learning. The data analysis technique used in this study is identification, screening, eligibility, and inclusion. The conclusion of this study can be concluded that in determining the way in which self-regulated learning is directly proportional to student learning outcomes, it can be seen from various research categories. Keyword: Self Regulated Learning; Meta-Analysis Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/3586 10.31316/jderivat.v9i2.3586 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 134 - 144 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/3586/2729 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/3780 2023-01-02T07:59:47Z derivat:ART

Generalisasi Bilangan Kromatik Pada Beberapa Kelas Graf Korona Yusuf, Riduan Dewi, Fitria Puspa Firmansyah Mujib, Abdul For example  is a chromatic number with the smallest integer so that the graph  has a true vertex coloring with k color. Chromatic number is still an interesting study which is still being studied for its development through graph coloring. Graph coloring is a special case of graph labeling. Labeling here means, giving color to the points at a certain limit so that no two vertices have the same color. This study aims to calculate the chromatic number in several classes of graphs including , ,  Based on the results of the study, generalization of the chromatic number of the graph class . Class  and for class  for even n and 4 for odd n. Keywords: graph, graph coloring, chromatic number For example  is a chromatic number with the smallest integer so that the graph  has a true vertex coloring with k color. Chromatic number is still an interesting study which is still being studied for its development through graph coloring. Graph coloring is a special case of graph labeling. Labeling here means, giving color to the points at a certain limit so that no two vertices have the same color. This study aims to calculate the chromatic number in several classes of graphs including , ,  Based on the results of the study, generalization of the chromatic number of the graph class . Class  and for class  for even n and 4 for odd n. Keywords: graph, graph coloring, chromatic number Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/3780 10.31316/jderivat.v9i2.3780 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 192 - 201 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/3780/2738 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/3869 2023-01-02T08:00:06Z derivat:ART

Eksplorasi STEAM Pada Sarana Upakara Tumpeng Kering Puspadewi, Kadek Rahayu Wulandari, I Gusti Ayu Putu Arya Wulandari Paraniti, Anak Agung Inten Safitri, Ni Komang Dried tumpeng is one of the traditional ceremonies used by Hindus in Bali. This study aims to examine the elements of STEAM contained in dried tumpeng. This research is a qualitative descriptive study with an ethnographic design. The subject of this research is the community of entrepreneurs of dried tumpeng in Guwang Village, Sukawati District, Gianyar. The data in this study were obtained through interviews, observation, and documentation. The data was then analyzed in three stages, namely data reduction, data presentation, and data conclusion. To get valid and objective data, triangulation method is used. The results showed that there were STEAM elements in the process of making dried tumpeng, namely the scientific element can be seen from the coloring process, adhesives and drying techniques used, the technological element can be seen from the dried tumpeng printing equipment, the machine element can be seen from the design of the printing equipment used, the art element can be seen from the various colors of the dried tumpeng, and the mathematical element can be seen from the raw production costs, income, sales, losses, and the comparison of the materials used. These STEAM elements can be used in social arithmetic learning. Students can be asked to make a project of making dried tumpeng  from the beginning of manufacture, packaging to even the sales stage so that learning can be more meaningful. Keywords: Dried tumpeng, STEAM Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/3869 10.31316/jderivat.v9i2.3869 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 236 - 245 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/3869/2766 Copyright (c) 2022 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4072 2023-01-02T07:59:47Z derivat:ART

Pengembangan Media Pembelajaran Berbasis Web Google Sites Pada Materi Turunan Fungsi saputra, husin Octaria, Dina Isroqmi, Asnurul Google web sites are one of the media created by Google as development, the google web sites themselves are very suitable to be useful learning media because they are easy to operate and do not use coding in the process. The purpose  was study develop mathematics learning media assisted by google sites on functional derivative materials that are valid, practical, and have potential effects. The research method used was Research and Development (R&D) with the ADDIE development model consisting of Analysis, Design, Development, Implementation, and Evaluation. The analyzed stage carried out by the researcher was needs analyze, curriculum analyze, media analyze. The design stage was designing products and device. The Development stage create media and performs validation. The Implementation stage conducts media trials to obtain practicality and potential effects. Evaluation stage, where the researcher discusses the value of practicality and potential effects. For data collection technique that researchers use, namely questionnaires, and learning outcomes tests. This research activity was carried out at SMA Negeri 15 Palembang with a total of 26 students.  Keywords: ADDIE Model, Development, Google Web sites, Function Derivatives Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4072 10.31316/jderivat.v9i2.4072 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 123 - 135 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4072/2728 Copyright (c) 2022 husin saputra, Dina Octaria, Asnurul Isroqmi https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4190 2026-02-24T02:18:16Z derivat:ART

Pengembangan Modul Pembelajaran Matematika Berbasis Contextual Teaching and Learning (CTL) untuk Meningkatkan Komunikasi Matematis Pada Siswa SMP Adi Saputro Teguh Wibowo Prasetyo Budi Darmono AbstrackOne of the abilities that support the mathematics learning process so that it can run well is mathematical communicatin skills. To achieve the learning process it needs to be developed among students. Communication plays a role in the llearning process, including math learning. Environment can be a source f learning mathematics in real life. Mathematics in everyday life is known as Contextual Teaching and Learning (CTL). This research is motivated by the unavailability of mathematics based learning Contextual Teaching and Learning (CTL) in the school according to the background of the problem. The purpose of this research is to produt in the from of a mathemicaal module thaa combines material and everiday life problem. The developen mode used is ADDIE. The reseach produces a module that links mathematics with everiday life problem on the material of linear equations of two variables valid, practical, efective. Keywords: Modules, Contextual Teaching And Learning, Mathematical Communication Pendidikan Matematika Universitas PGRI Yogyakarta 2025-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4190 10.31316/j.derivat.v12i3.4190 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 12 No. 3 (2025): Jurnal Derivat (Desember 2025); 331 - 342 2549-2616 2407-3792 10.31316/j.derivat.v12i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/4190/5148 Copyright (c) 2025 Adi Saputro, Teguh Wibowo, Prasetyo Budi Darmono https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4196 2023-01-02T07:59:47Z derivat:ART

Meningkatkan Kemampuan Kognitif Siswa SMA Dalam Materi Bunga Tabungan Dan Pajak Menggunakan Desain Multimedia Interaktif Buchori, Achmad Kholifah, Siti The purpose of this research is to develop interactive multimedia applications that are valid, realistic, and practical for economic mathematics subjects in high school on interest on savings and taxes. This research uses development procedures that include: (1) evaluation and analysis of needs, curriculum, materials, and learning resources, (2) designing product designs, (3) developing product designs, (4) evaluating the feasibility of product designs, (5) evaluating product design. The research instruments and tools used included: media and material expert validation sheets as well as questionnaires on student responses. Subjects who contributed to data collection were 30 students who were included in the experimental class and 30 students in the control class. Meanwhile, the trial phase involved 30 students who had received single flower material. A limited test was conducted at SMA Negeri 2 Semarang. In accordance with the acquisition of accuracy from the validator getting very good criteria from learning media experts obtaining 89.6%, learning material experts obtaining 89.4%, then from the acquisition of student response questionnaires it shows 88% of students are very interested in using this interactive multimedia. In accordance with the results of the study, it can be concluded that interactive multimedia learning resources in terms of increasing the cognitive capacity of high school students have proven to be accurate and effective to be applied to the teaching and learning process of high school mathematics. Keywords: design, interactive multimedia, interest on savings and taxes Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4196 10.31316/jderivat.v9i2.4196 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 174 - 181 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4196/2733 Copyright (c) 2022 Achmad Buchori, Kholifah Siti https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4208 2023-01-02T07:59:47Z derivat:ART

Eksplorasi Etnomatematika Pada Alat Musik Pantun Bambu Cilegon Pasaribu, Deslianti Uliarta Sukirwan Ethnomathematics is an activity carried out by cultural groups without realizing that there are basic mathematical concepts in their application. Ethnomathematics as a study of mathematics with cultural nuances will contribute to the field of education. This study aims to explore the mathematical concept of the musical instrument Pantun Bambu Cilegon City. This study uses descriptive qualitative research with ethnographic method. This research was conducted at Sanggar Singpring, Link. Temugiring, Kel.Banjarnegara, Kec.Ciwandan, Cilegon City, Banten. The subjects in this study were Mr. Afandi, Mr. Iing, and Mr. Imadudin. Data were collected by conducting interviews, observation, and documentation. Data analysis uses data collection, data reduction, data presentation, and conclusions. The results showed that there are mathematical concepts in Pantun Bambu, namely plane geometry, solid geometry, and arithmetic sequences. The results of this study are expected to help in the field of education, especially mathematics in understanding mathematical concepts because it is associated with the cultural life around it. Keywords: Exploration, Ethnomathematics, Pantun Bambu Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4208 10.31316/jderivat.v9i2.4208 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 165 - 173 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4208/2732 Copyright (c) 2022 Deslianti Uliarta Pasaribu, Sukirwan https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4232 2025-10-07T15:27:42Z derivat:ART

Meta-Analisis Optimalisasi Kualitas Pembelajaran Matematika Dengan Integrasi STEM Dwipa, Nendra Mursetya Somasih Meta-analysis is a technique that uses certain measures to show the strength of the relationship between similar variables in a number of different research results. The unit of analysis in this study is the thesis reports of UPY mathematics education students taking the topic of integrating STEM (science, technology, engineering, mathematics) in learning mathematics. This study provides an introduction to the description of the implementation of STEM in students' mathematics learning, specifically aimed at knowing the improvement of the quality of the learning. The analytical technique used is library analysis on research reports taken purposively based on the research objectives. Quantitative analysis was carried out on percentage and nominal data, while qualitative analysis was carried out on study descriptions related to STEM implementation. The results of this study indicate that (1) in the aspect of mathematics learning outcomes, learning with STEM integration is able to describe students' abilities in the cognitive, affective, and psychomotor domains, (2) STEM learning is able to improve the quality of students' mathematics learning  Keywords: Meta-Analysis, STEM, Quality, Learning Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4232 10.31316/jderivat.v9i2.4232 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 182 - 191 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4232/2734 Copyright (c) 2022 Nendra Mursetya Somasih Dwipa https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4240 2023-01-02T07:59:47Z derivat:ART

Meta Analisis: Pengaruh Model Discovery Learning Terhadap Peningkatan Kemampuan Berpikir Kritis Matematika: Meta Analysis: The Effect Of Discovery Learning Model On Increasing Mathematics Critical Thinking Ability Zul Hanifah, Suwarno Febriana, Kristanti Sandha, Soemantri The condition of Indonesian students' critical thinking skills is ranked 6th lowest with an average score of 379 on PISA 2018. The lack of students' critical thinking skills is found in learning that is still one-way using conventional models. This makes students less enthusiastic about listening and understanding the material presented. These conditions can be trained by applying exploratory learning so that students can find and understand, and solve problems. One learning model that can foster critical thinking skills in students is the discovery learning model which can support students to be maximally involved in identifying and organizing the way students learn to discover knowledge concepts. This study aimed to determine the effect of the discovery learning model on students' critical thinking skills using the Systematic Literature Review method according to the exclusion criteria and found 12 articles obtained through Google Scholar. The results of the meta-analysis show that the discovery learning model influences students' critical thinking skills at every level of education. The discovery learning model has the highest effect on elementary education level flat material with an effect size of 1.9. The junior high school level shows the highest effect size of 2.1 with social arithmetic material. The SMA/SMK level gives the highest effect of 1.18 in statistics. It can be concluded that the discovery learning model influences critical thinking skills in mathematics. Keywords: Critical Thinking, Discovery Learning, Mathematics Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4240 10.31316/jderivat.v9i2.4240 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 153 - 164 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4240/2731 Copyright (c) 2022 Suwarno Zul Hanifah, Kristanti Febriana, Soemantri Sandha https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4285 2023-01-02T07:59:47Z derivat:ART

Kemampuan Berfikir Kreatif Siswa dalam Memecahkan Masalah Matematika Konteks Jembatan Gantung Lahat Arrasikh, M. Arrasikh Hidayatullah Zulkardi Ely Susanti This study aims to determine the level of creative thinking of MTs Negeri 1 Muara Enim stnudents in solving mathematical problems in the context of suspension bridges. Taking the subject using purposive sampling technique, the subjects of this study were 3 students with high mathematical abilities. Test questions to see creative thinking skills and interview clues are used as research instruments. Data reduction, data presentation, and drawing conclusions are outlined guidelines in analyzing data in this study. The results showed that the three subjects in this study had been able to demonstrate and present their creative thinking abilities with diverse levels of creative thinking. Based on the results of the answers to the 2 essay questions given, MSE subjects were able to meet the existence of fluency and novelty indicators which showed that they were at the level of creative thinking ability 3 (creative) while CR and RA subjects were only able to meet the novelty indicators that were at the level of creative thinking ability level 2 (quite creative). Keyword: Creative thinking, mathematical problems, bridge contexts Pendidikan Matematika Universitas PGRI Yogyakarta 2022-12-20 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4285 10.31316/jderivat.v9i2.4285 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022); 213 - 223 2549-2616 2407-3792 10.31316/jderivat.v9i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4285/2744 Copyright (c) 2022 M. Arrasikh Hidayatullah Arrasikh, Zulkardi, Ely Susanti https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4289 2023-06-09T15:00:26Z derivat:ART

Eksplorasi Etnomatematika Pada Permainan Tradisional Kelereng Di Kelurahan Bahagia, Babelan, Bekasi Huri Suhendri Ningsih, Rita Abstract : This study aims to identify and describe ethnomathematics in the traditional game of marbles in the Happy Village, Babelan District, Bekasi Regency, West Java. The research method used is ethnomathematics with the object of research being the traditional game of marbles. The data sources in this study consisted of: the research object, namely marbles games, sources, namely 3 elders, and related documents discussing marbles games. Data collection techniques are carried out through: observation, interviews, and documentation. Based on the research results obtained and data analysis, it is concluded that there are mathematical concepts in the game of marbles, namely: the concept of geometric shapes in the shape of marbles, the concept of flat geometry and trigonometry in the shape of the game area of ​​marbles, and the concept of opportunity and integer arithmetic operations in the implementation marble game..  Keywords: Ethnomatematics, Traditional Games, Marbles, Babelan Village. Pendidikan Matematika Universitas PGRI Yogyakarta 2023-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4289 10.31316/jderivat.v10i1.4289 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 1 (2023): Jurnal Derivat (April 2023); 21 - 29 2549-2616 2407-3792 10.31316/jderivat.v10i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/4289/3006 Copyright (c) 2023 Huri Suhendri, Rita Ningsih https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4481 2024-01-07T14:41:40Z derivat:ART

Pemodelan M-Adaptive Generalized Poisson Regression Spline Pada Kasus MDR-TB Di Kalimantan Barat Irvandi, Firzakalpa Syafiq Debataraja, Naomi Nessyana Yudhi, Yudhi Tuberculosis is a disease caused by the Mycobacterium tuberculosis. Multi-Drug Resistant Tuberculosis (MDR-TB) is the term used to describe Mycobacterium tuberculosis that is resistant to one or more Anti-TB drugs. This study aims to determine the factors that affect the number of patients recovering from MDR-TB, by modeling the number of MDR-TB cured patients using Multivariate Adaptive Generalized Poisson Regression Spline (MAGPRS) method. The predictor variables are the average age (X1), percentage of patients who fail category 2 treatment (X2), percentage of patients who fail category 1 treatment (X3), percentage of patients relapsed (X4), percentage of patients neglecting treatment (X5), and percentage history of close contact with other patients (X6). A combination of BF (Basis function), MI (Maximum interaction), and MO (Minimum observation), the BF value is two to four times of predictor variables, MI has value of 1,2, and 3, and MO has value of0,1,2, and 3. From the result, the best model was obtained from the combination of BF=24, MI=3, and MO=1, with GCV values of 0,3504 and R2 of 88,3%, and there are 14 BF that affect the response variable . The most influential predictors variables in a row, are X6, X3, X5, and X2.  Keywords: Poisson, basis function, GCV Pendidikan Matematika Universitas PGRI Yogyakarta 2023-08-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4481 10.31316/jderivat.v10i2.4481 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 2 (2023): Jurnal Derivat (Agustus 2023); 71 - 80 2549-2616 2407-3792 10.31316/jderivat.v10i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4481/3415 Copyright (c) 2023 Naomi Debataraja https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4540 2023-06-09T14:42:01Z derivat:ART

Kecemasan Matematika Siswa Ditinjau Dari Hasil Belajar Nugroho, Danu Untu, Zainuddin Samsuddin, Auliaul Fitrah Abstract Mathematics is a subject that is quite difficult for students. Many students feel anxious when faced with math problems. The purpose of this study was to determine the level of math anxiety possessed by students based on their learning outcomes. This research is a descriptive qualitative research with 62 junior high school students representing each category of anxiety as subjects. Data collection techniques in this study include observation, questionnaires, interviews, and tests. The results of the study show that the math anxiety experienced by students in solving flat-sided geometrical problems consists of 4 levels of anxiety, namely the category of no anxiety as many as 8 students or 13%, the category of mild anxiety as many as 34 students or 55%, the category of moderate anxiety as many as 18 students or 29%, severe anxiety category as many as 2 students or 3%. Overall, students’ mathematical anxiety in solving problems on solid shapes topi was in low category with the average score of test result is 38,18 which is in opor category.   Keywords: Learning Outcome, Mathematics Anxiety Pendidikan Matematika Universitas PGRI Yogyakarta 2023-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4540 10.31316/jderivat.v10i1.4540 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 1 (2023): Jurnal Derivat (April 2023); 52 - 62 2549-2616 2407-3792 10.31316/jderivat.v10i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/4540/3003 Copyright (c) 2023 Danu Nugroho, Zainuddin Untu, Auliaul Fitrah Samsuddin https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4620 2023-06-09T14:59:05Z derivat:ART

Consistency Of Definition Of Orthogonality In A Partial Metric Induced By A Metric Hafiizh, Mochammad Puspita Dewi, Nila Sisworo Hasanah, Dahliatul An extension of the metric space in which the distance of the same point is not always zero is called a partial metric space. Orthogonality is the relation of two perpendicular lines at one point of intersection forming a right angle. There are several ways to define orthogonality, including Pythagorean Orthogonality, Isosceles Orthogonality, and Birkhoff-James Orthogonality. The purpose of this research is to study the consistency of the definition of orthogonality in the metric space to the partial metric space. Based on these results, it can be concluded that the partial metric space can be obtained by linear induction from a metric space. Then, in developing the definition of orthogonality to the partial metric space, it can be concluded that the qualified orthogonality is the I-orthogonality and the BJ-orthogonality, while the P-orthogonality does not qualify the consistency of the definition of orthogonality in the partial metric space. Kata Kunci: Orthogonality, Consistency, and Partial metric space Pendidikan Matematika Universitas PGRI Yogyakarta 2023-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4620 10.31316/jderivat.v10i1.4620 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 1 (2023): Jurnal Derivat (April 2023); 11 - 20 2549-2616 2407-3792 10.31316/jderivat.v10i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/4620/3005 Copyright (c) 2023 Mochammad Hafiizh, Nila Puspita Dewi, Sisworo, Dahliatul Hasanah https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4630 2024-01-09T02:17:34Z derivat:ART

Hubungan Self-Confidence Dan Hasil Belajar Matematika Peserta Didik Kelas VIII SMP N 9 Pontianak Nafa Salsabila Hamdani Mohamad Rifat Pasaribu, Revi Lestari This study aims to determine whether there is a relationship between self-confidence and student mathematics learning outcomes. This kind of study can be called a quantitative descriptive conducted at SMPN 9 Pontianak. The population in this study was class VIII students, the research sample, namely class VIII D students, was 30 students. The data collected are the results of learning tests in the form of mathematical description problems and self-confidence questionnaires. Based on processed data assisted by Microsoft Excel and SPSS 16 by applying tests for correlation of product moments the results of the analysis data are descriptive. Based on the research findings, it can be said that learning outcomes in mathematics and student confidence are interrelated with a correlation of 0.877. That way it can be concluded that the level of self-confidence that students have correlates with the results of learning mathematics. Keywords:  learning outcomes, mathematics learning, self-confidence Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4630 10.31316/jderivat.v10i3.4630 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 189 - 199 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/4630/3419 Copyright (c) 2023 Nafa Salsabila, Mohamad Rifat, Hamdani, Revi Lestari Pasaribu https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4681 2023-06-09T14:59:53Z derivat:ART

Penerapan Model Pembelajaran Kooperatif Picture and Picture untuk Meningkatkan Hasil Belajar Peserta Didik erna fitriani Abstract This study aims to improve science learning outcomes for class VII A students of SMPN 3 Kasihan through the picture and picture cooperative learning model. This is because students are less active in teaching and learning activities as well as low attention to learning material. This type of research is Classroom Action Research (PTK) with the research subject of class VII A students of SMPN 3 Kasihan for the 2018/2019 academic year, a total of 32 students. The implementation of the action was carried out in 2 cycles, each cycle consisting of 2 meetings. The instruments used are observation, documentation, and test. Observation is used to observe during the teaching and learning process, documentation to collect data and student test results, as well as test methods that are carried out at the end of each cycle which are useful for knowing the increase in student learning outcomes. The data analysis technique is in the form of descriptive qualitative. This study showed an increase in student learning outcomes KI 3 (knowledge) cycle I obtained a completeness level of 37.50%, cycle 2 increased to 100%, which means there was a significant increase of 62.50%. Whereas in KI 4 (skills) in cycle 1 the level of completeness reached 59.38% while in cycle 2 it was 90.62% which means there was a significant increase of 31.24%.   Keywords: Learning Outcomes, Picture and Picture. Pendidikan Matematika Universitas PGRI Yogyakarta 2023-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4681 10.31316/jderivat.v10i1.4681 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 1 (2023): Jurnal Derivat (April 2023); 40 - 51 2549-2616 2407-3792 10.31316/jderivat.v10i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/4681/3002 Copyright (c) 2023 erna fitriani https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4698 2024-06-13T14:10:12Z derivat:ART

Model Susceptible-Infected-Recovered (SIR) Dampak Penerapan PSBB Terhadap Kasus Covid-19 Di Pekanbaru Soleh, Mohammad Soleh Melvy Utari Permadhi Wartono Irma Suryani Elfira Safitri Riry Sriningsih Covid-19 has become a global pandemic in the 21st century. Various efforts to control its spread have been made. Isolation or regional quarantine is one of the efforts made by almost all countries in the world. Indonesia modified the lockdown by implementing 'Large-Scale Social Restrictions (PSBB)'. Before and during the implementation of PSBB, there have been many pros and cons in the community. By using the SIR model and Euler method, the impact before and after the implementation of PSBB in Pekanbaru city is compared. Based on daily data of Covid-19 cases in Pekanbaru city, it is obtained that the value of the basic reproduction number before and after the implementation of PSBB are  and  respectivel.  This condition confirms that either without or by implementing PSBB, Pekanbaru city will be free from Covid-19. Simulation of Covid-19 cases before and after PSBB graphically also shows a situation that will be free from disease. However, without implementing PSBB, the number of infected will jump drastically after some time even though it will eventually decrease, while by implementing PSBB there is no spike. Thus, the implementation of PSBB can be an alternative to control Covid-19. Keywords: Basic reproduction number, Covid-19, PSBB, SIR model, Euler methods. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4698 10.31316/jderivat.v11i1.4698 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 1 (2024): Jurnal Derivat (April 2024); 1 - 9 2549-2616 2407-3792 10.31316/jderivat.v11i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/4698/3802 Copyright (c) 2024 Mohammad Soleh Soleh, Melvy Utari Permadhi, Wartono, Irma Suryani, Elfira Safitri, Riry Sriningsih https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4744 2024-01-09T02:17:34Z derivat:ART

Efikasi Diri Mahasiswa Pada Perkuliahan Matematika Diskrit Farida, Anisatul Indah, Ratna Puspita The purpose of this qualitative research is to describe in detail the profile of students' self-efficacy in dealing with discrete mathematics courses. The subjects of this study were 21 students of class TI21A4 Informatics Engineering Study Program, Duta Bangsa University, Surakarta, who were taking a Discrete Mathematics course. The information gathering tool consisted of a self-efficacy questionnaire and a guide for interview sessions. Participants filled out a questionnaire related to self-efficacy. The output of the self-efficacy questionnaire showed that 5% of students showed a very high level of self-efficacy, 39% had a high level of self-efficacy, 33% had a moderate level of self-efficacy, and 23% experienced a low level of self-efficacy. After that, 6 students were selected to be research subjects, consisting of 2 students each with high, medium, and low self-efficacy levels. Students with high and medium self-efficacy in solving Discrete Mathematics questions do not give up easily, while students with low self-efficacy give up easily when solving these problems. Students with high and moderate self-efficacy have been able to learn independently, while students with low self-efficacy have not been able to learn difficult Discrete Mathematics material independently and need guidance from the lecturer. Even so, students with high, medium, and low self-efficacy were able to complete assignments and submit assignments on time. Students with low self-efficacy, their learning efforts are less than optimal for various reasons so that they have not been able to achieve the targeted learning achievements. While students with high and moderate self-efficacy are already optimal with regard to their learning efforts  Keywords: self-efficacy; student; discrete mathematics Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4744 10.31316/jderivat.v10i3.4744 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 169 - 179 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/4744/3424 Copyright (c) 2023 Ratna Puspita Indah, Anisatul Farida https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4950 2024-01-07T14:41:40Z derivat:ART

Ludo Integer Sebagai Pengembangan Media Pembelajaran Operasi Aritmatika Dasar Bilangan Bulat Ria Octa Vioni Aan Nurfahrudianto Aprilia Dwi Handayani Jatmiko Ludo Integer is a development of learning media that innovates the game Ludo King into an education game. This media was developed to support students' learning on basic arithmetic operations on integers. This research purposeful to develop Ludo Integer learning media for VII class students of SMP Karya Wates. The research used method Research and Development (R&D) with ADDDIE development model comprise of Analysis, Design, Development, Implementation, and Evaluation. The analysis phase, researchers analyzing problems and supporting student learning needs. The Design phase, researchers designing the necessary media components and questionnaires. The Development phase, researchers is the media production that has been designed and then validated after all components of media finished. The Implementation phase, researchers conducting limited class trials and extensive class trials. The Evaluation phase, researchers processing research results and interpreting the feasibility of this media. Data collection techniques using questionnaires and student learning outcomes with pretest and posttest. This research was do at Karya Wates Middle School with a total of 13 students in class VII. Based on the average value of the validation test results obtained a value of 87.33 with a very good category used without revision. Practical media based on the practicality test obtained an average value of 88.61. Based on the effective media effectiveness test, the average value of posttest > pretest is 75.92 > 42.46.  Keyword: ADDIE Models, Basic Arithmetic Operations on Integers, Ludo Integer Pendidikan Matematika Universitas PGRI Yogyakarta 2023-08-17 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4950 10.31316/jderivat.v10i2.4950 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 2 (2023): Jurnal Derivat (Agustus 2023); 81 - 94 2549-2616 2407-3792 10.31316/jderivat.v10i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/4950/3416 Copyright (c) 2023 Ria Octa Vioni, Aan Nurfahrudianto, Aprilia Dwi Handayani, Jatmiko https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4955 2024-06-13T14:12:03Z derivat:ART

Minimum Spanning Tree Rute Shopping Mall Di Surabaya Menggunakan Algoritma Prim Amalia, Nabila Tasya Novianti, Fahriza Yasmin, Yasirah Rezqita Aisyah Surabaya as the second most populous city in Indonesia often carries out developments on land, one of which is the construction of a shopping center. The large number of shopping center developments has made both local and foreign residents want to visit shopping centers in Surabaya. There are 9 most popular shopping centers used in this study. The purpose of this research is to determine the shortest route between shopping centers in Surabaya by using the prim algorithm. This algorithm determines the shortest route by forming a minimum spanning tree. The results obtained in this study are the shortest travel time from 9 shopping centers is 81 minutes with a distance of 31.5 KM.  Keyword: Prim Algorithm, Graph, Rute, Surabaya Pendidikan Matematika Universitas PGRI Yogyakarta 2024-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4955 10.31316/jderivat.v11i1.4955 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 1 (2024): Jurnal Derivat (April 2024) 2549-2616 2407-3792 10.31316/jderivat.v11i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/4955/3803 Copyright (c) 2024 Nabila Tasya Amalia, Fahriza Novianti, Yasirah Rezqita Aisyah Yasmin https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/4986 2024-01-09T02:17:34Z derivat:ART

Pengembangan Media Pembelajaran Matematika Berbasis Website Dengan Pendekatan Kontekstual Baihaqi, Rizal Baihaqi Wulantina, Endah This study aims to develop a website-based learning media with a valid and interesting contextual approach.  The research method used is Research And Development (R&D) with a 4D development model which includes 4 stages, namely define, design, development and disseminate.  The location of this research is at MTs Ma'arif 23 Sendang Agung.  The subjects in this study were class VIII students at MTs Ma'arif 23 Sendang Agung, totaling 24 students.  The material developed is a flat sided space build material.  The results of this study indicate that the product developed based on the validation of media experts obtains a percentage of 68% with the "valid" criteria and the validation of material experts obtains a percentage of 90.5% with the criteria of "very valid".  Furthermore, the results of students' responses to the attractiveness of the developed media obtained a percentage of 83.41% with the criteria of "very interesting".  Based on these results it can be concluded that the website-based mathematics learning media with the contextual approach developed is valid and interesting so that it can be used in the learning process. Keywords : Contextual Approach, Learning Website, Mathematics Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/4986 10.31316/jderivat.v10i3.4986 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 117 - 128 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/4986/3423 Copyright (c) 2023 Rizal Baihaqi Baihaqi https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5061 2024-01-16T10:35:07Z derivat:ART

Commognitive Kesalahan Mahasiswa Melalui Aktivitas Diskusi dalam Menyelesaikan Soal Cerita Agustin, Devi Rahayu Rokhmawati, Ana Describing students’ cognitive errors in solving binomial problems using calculations and minitab. This type of research uses descriptive qualitative with the research subjects, which were 17 Mathematics Education Class 2020A students at one of the Private Universities (PTS) in Lumajang Regency. The results obtained are the ability of students with research instruments in the form of math ability test sheets, group assignment sheets, recording tools. The results of cognitive errors obtained from the high category in the form of word usage errors such as incomplete in writing known. Narrative errors such as not writing concepts in calculations. Visual mediator errors caused by low understanding of binomial concepts. Next, the errors made by the medium and low categories are the same. The errors are in the form of word usage errors such as errors in translating language in story problems and incomplete in writing known. Narrative errors such as not writing the concept of binomial in the calculation. Routine errors such as errors in calculations caused by incorrect previous steps and not writing conclusions. Keywords: Comognitive Error; Discussion Activity; Story Problem; Binomial Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5061 10.31316/jderivat.v10i3.5061 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 145 - 156 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/5061/3367 Copyright (c) 2023 Devi Rahayu Agustin https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5082 2024-01-07T14:41:40Z derivat:ART

Pengaruh Reading Comprehension (Membaca Pemahaman) dan Komunikasi Matematika terhadap Kemampuan Pemecahan Masalah Matematika Mira Gusniwati The aim of this study is to determine the influence of Reading Comprehension and mathematics communication towards mathematics problem solving ability. The method used in this study is a survey method. Analysis using multiple regression and correlation techniques. Sample size is 29 students. They are saturated samples. The instrument used was essay test to measure Reading Comprehension ability dan mathematics problem solving ability, whereas for mathematics communication was measured by essay test and oral test. Hypothesis testing results show that: 1) there is the influence of Reading Comprehension and mathematics communication together toward mathematics problem solving ability, 2) there is the influence of Reading Comprehension on mathematics problem solving ability, 3) there is the influence of mathematics communication on mathematics problem solving ability. Keywords: Reading Comprehension, Mathematical Communication, Problem Solving Ability Pendidikan Matematika Universitas PGRI Yogyakarta 2023-08-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5082 10.31316/jderivat.v10i2.5082 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 2 (2023): Jurnal Derivat (Agustus 2023); 63 - 70 2549-2616 2407-3792 10.31316/jderivat.v10i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/5082/3414 Copyright (c) 2023 Mira Gusniwati https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5096 2024-01-09T02:17:34Z derivat:ART

Resiliensi dan Disposisi Matematis Mahasiswa Pendidikan Matematika Retariandalas, Retariandalas Pujiati, Anik Disposisi dan resiliensi matematis mempunyai peran penting dalam pembelajaran matematika. Penelitian ini bertujuan untuk mendeskripsikan disposisi matematis dan resiliensi matematis mahasiswa pendidikan matematika dan korelasinya. Sampel pada penelitian yaitu mahasiswa program studi pendidikan matematika semester 4 yang berjumlah 114 orang diambil secara acak. Hasil penelitian menunjukkan bahwa skor disposisi dan resiliensi matematis mahasiswa masuk dalam golongan sedang. Dari hasil analisis korelasional menunjukkan bahwa terdapat korelasi yang lemah antar kedua variabel. Untuk hasil regresi diperoleh nilai sig kurang dari 0,05 maka secara regresi dapat diketahui terdapat pengaruh antara variabel disposisi dan resiliensi matematis. Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5096 10.31316/jderivat.v10i3.5096 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 112 - 116 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/5096/3422 Copyright (c) 2023 Retariandalas Retariandalas https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5135 2024-06-13T14:12:46Z derivat:ART

Etnomatematika Pada Bentuk Bangunan Keraton Kusuma Negara Di Sekadau Hilir Riski Suwanto Abstract this study is a mathematical study that deals with exploring the application of the concept of ethnomathematics in the design of palace buildings in Sekadau Hilir. Through ethnographic approaches and mathematical analysis, this study aims to understand and describe how local communities use mathematical knowledge in creating unique kraton. The research method used involves the collection of field data through observation, and visual documentation. The collected Data were then analyzed using ethnographic approaches and relevant mathematical concepts. The results of this study revealed that the design of the palace building in Sekadau Hilir reflects the use of geometric patterns, symmetry, and mathematical proportions that are integrated with the local culture and environment. This article also highlights the role of ethnomathematics in respecting and preserving local knowledge and promoting recognition of cultural diversity. The practical implications of this study are to provide insights for designers , architects, and other relevant practitioners to broaden their perspectives in creating designs that relate to cultural and mathematical values.  Keywords: Ethnomaematics, geometric patterns. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5135 10.31316/jderivat.v11i1.5135 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 1 (2024): Jurnal Derivat (April 2024) 2549-2616 2407-3792 10.31316/jderivat.v11i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/5135/3804 Copyright (c) 2024 Riski Suwanto https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5218 2024-01-16T10:38:48Z derivat:ART

Analisis Butir Soal Tes Matematika Materi Trigonometri M.M Endang Susetyawati Wicaksono, Bintang In learning outcomes assessment activities, teachers play an active role in preparing measuring instruments. Competency measurement tools must have appropriate quality criteria used in measuring student competence. This study aims to determine the characteristics of the mathematical competency test instrument in terms of item validity, item difficulty level, item discriminating power and distractor function. The instrument developed is a competency test instrument for trigonometry material. The form of this instrument is multiple choice. The sample of this research is SMA Negeri 5 Yogyakarta. Analysis of the Trigonometry competency test items was carried out using qualitative analysis with the result that 85% in terms of material had good criteria, 82.5% in terms of construction had good criteria and 92.5% in terms of language had good criteria. Quantitative analysis of the Trigonometry competency test shows that 27 items (67.5%) have good validity, the test has a reliability value of 0.709 with good criteria. There were 26 questions (65%) with moderate difficulty level, 28 questions (70%) had good category discrimination, and 37 questions (92.5%) had good criteria for the distraction function.  Keywords:  validity, reliability, difficulty level, differentiating power Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5218 10.31316/jderivat.v10i3.5218 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 129 - 138 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/5218/3420 Copyright (c) 2023 M.M Endang Susetyawati, Bintang Wicaksono https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5329 2024-06-14T03:55:57Z derivat:ART

Peramalan Harga Saham PT. Bank Central Asia, Tbk dengan Menggunakan Metode ARIMA Gubu, La Bakti Sadewa, Muhammad Alfian Pimpi, La The purpose of this research is to analyze the fluctuations and quantity of daily stock closing data of PT. Bank Central Asia Tbk (BCA) during the period from January 3, 2022, to December 30, 2022, and forecast the closing stock price in January 2023 using the ARIMA model. The research procedure was conducted step by step, including data collection, descriptive analysis, testing data stationarity, determining ARIMA model parameters, writing ARIMA equation models, conducting diagnostic tests on the best ARIMA model, and making predictions or forecasts. The analysis shows that the stock closing prices in 2022 fluctuated with an average range of Rp 7,214.29 - Rp 8,851.14 per share. The highest closing price occurred in November 2022, while the lowest occurred in July 2022. The forecast for the daily closing stock price of BCA from January 2 to January 31, 2023, using the ARIMA Model (1,1,0), ranges from Rp 8,550.00 to Rp 8,550.86. The MAPE value obtained from the forecasting result is 1.07%, indicating that the ARIMA model is highly effective in forecasting the closing stock price of BCA in January 2023. This research provides valuable insights into stock price fluctuations for stakeholders in the stock market. Keywords: fluctuations, ARIMA, stock closing prices, forecast. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5329 10.31316/jderivat.v11i1.5329 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 1 (2024): Jurnal Derivat (April 2024); 54 - 62 2549-2616 2407-3792 10.31316/jderivat.v11i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/5329/3811 Copyright (c) 2024 La Gubu, Muhammad Alfian, La Pimpi https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5360 2024-01-09T02:17:34Z derivat:ART

Pengembangan Media Pembelajaran Pop-Up Book Etnomatematika Untuk Meningkatkan Kemampuan Literasi Numerasi Siswa Trisha Hana Maulidya Adi Mulyono Aqilah Balqis Safitri Mufliha Dzahabiyyah Rika Rahmawati Arfatin Nurrahmah, M.Pd The cause of the low level of education in Indonesia, especially in students' literacy and numeracy skills, is the limited learning media used in schools. The aim of this research is to develop Pop-Up Book-based learning media to improve the literacy and numeracy skills of students at SD Negeri Cisarua 01, Bogor Regency. The ADDIE model consisting of the stages of Analysis, Design, Development, Implementation, and Evaluation is used as a research method. The data analysis technique used is the descriptive analysis technique. The data analyzed includes media suitability data from media experts and material experts as well as responses from students as test subjects. This Pop-Up Book media has a material validity level of 80%, and media validity of 88%. The effectiveness of the Pop-Up Book learning media from the students' pre-test and post-test showed that the value of tcount > ttable (12.786 > 2.056) and was significant 0.000 < 0.05, so Ha was accepted and Ho was rejected. So it can be concluded that there is a significant difference in learning outcomes before and after the application of Pop-Up Book-based learning media in the introduction of plane shapes and space shapes. To see the increase in the calculated Gain Test, the average result obtained was 0.6688 and was in the medium category. Based on the results of the analysis that has been carried out, it can be concluded that the development of Pop-Up Book learning media can improve the numeracy literacy skills of students at SD Negeri Cisarua 01, Bogor Regency. Keywords: Numeracy Literacy Skills, Ethnomathematics, Learning Media, Pop-Up Book. Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5360 10.31316/jderivat.v10i3.5360 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 200 - 208 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/5360/3421 Copyright (c) 2023 Trisha Hana Maulidya, Adi Mulyono, Aqilah Balqis Safitri, Mufliha Dzahabiyyah, Rika Rahmawati, Arfatin Nurrahmah, M.Pd https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5442 2025-05-29T04:18:54Z derivat:ART

Pengembangan Mobile Learning Berbantuan Kodular Untuk Meningkatkan Kemampuan Pemahaman Matematis Siswa Kelas X Sadiyah, Ulim Fatma Kumala, Fitria Zana The lack of understanding of mathematics in class X SMA Muhamadiyyah 1 Purbalingga triggered this research. The average score of the initial test of students' mathematical understanding abilities that the researchers conducted was 59.6. Interviews with mathematics teachers in class X showed that textbooks were the only form of teaching material. The aim of this research is to create Android-based mobile learning media on opportunity material aimed at improving the mathematical understanding of class X students. Samples were taken from two classes to become the research population (X-A, experimental, X-B control) in class Based on the research results, class X students benefited from using Android-based mobile learning media on opportunity material. Experts in the field validate the media level at 90.00%. Teacher response reached 80%. Prerequisite tests, including normality and homogeneity, were carried out before the sample t test was carried out to show that, at a Sig (2-tailed) significance level of 0.000 0.05, there was a difference in the average N-Gain scores between the two groups. This shows that H1 is accepted and H0 is rejected. The average N-Gain score for the experimental class was 0.76, higher than the N-Gain score for the control class, which was 0.265. The results show that the Android-based mobile learning learning media uses opportunity material. Class X students of SMA Muhamadiyyah 1 Purbalingga showed a significant increase in mathematical understanding after using Android-based mobile learning.  Keywords: Mobile Learning, Learning Media, Mathematical Understanding Pendidikan Matematika Universitas PGRI Yogyakarta 2025-04-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article https://journal.upy.ac.id/index.php/derivat/article/view/5442 10.31316/j.derivat.v12i1.5442 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 12 No. 1 (2025): Jurnal Derivat (April 2025) 2549-2616 2407-3792 10.31316/j.derivat.v12i1 Copyright (c) 2025 Fitria Zana Kumala https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5544 2024-01-09T02:17:34Z derivat:ART

Konsep Geometri Bangun Datar Pada Artefak Dan Relief Candi Plaosan Gunawan This research aims to explore the concept of geometry in mathematics in schools related to Plaosan Temple. This research was conducted at Plaosan Temple from January to July 2023. This research is descriptive qualitative research with an ethnographic approach. This research was carried out through observation, documentation and interviews to collect data. Observations were carried out directly at Plaosan Temple. Plaosan Temple is divided into two complexes, namely Plaosan Lor Temple and Plaosan Kidul Temple. Plaosan Temple is also nicknamed the twin temples. In the Plaosan Lor Temple complex there are several buildings including the main temple, Perwara Temple, Perwara Stupa, Mandhapa, Perwara Mandhapa Stupa, Fence, Kori Agung Gapura, and Dwarapala Statue. The informants in this research were cultural figures under the Central Java Cultural Heritage Preservation Center and junior high school mathematics teachers in Gunung Kidul. The data analysis technique in this research uses the Spradley model data analysis technique. The result of this research is the discovery of geometric concepts, especially flat-sided shapes in the Plaosan Lor Temple Complex, namely, triangle models, trapezoid quadrilaterals, rhombuses and parallelograms. From the geometric model of flat-sided spatial shapes, the concept of flat-sided spatial shapes was found in the artifacts and reliefs of Plaosan Temple Keywords: Ethnomathematics, Mathematics Learning, Geometry, Flat Side Building Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5544 10.31316/jderivat.v10i3.5544 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 180 - 188 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/5544/3418 Copyright (c) 2023 Gunawan https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5567 2024-01-09T02:17:34Z derivat:ART

Etnomatematika Cagar Budaya Rumah Kampung Kapitan Dan Pengintegrasiannya Dalam Pembelajaran Matematika SMP Efryanty Somakim Budi Mulyono The aims of this research are: 1) To describe the results of ethnomathematics exploration in the form of philosophical meaning contained in design; 2) Produce ethnomathematics-based LKPD on the cultural heritage of Kapitan Village houses in Palembang that is valid and practical; 3) Measuring the potential effect of ethnomathematics-based LKPD on junior high school mathematics learning outcomes. This research uses ethnographic research methods to describe the results of ethnomathematics exploration in the form of philosophical meaning contained in the design of the houses of Kampung Kapitan Palembang. Furthermore, the results of the ethnomathematics exploration of the Kapitan Village House Cultural Heritage will be made into teaching materials in the form of ethnomathematics-based LKPD. At this stage the type of research used is design research with the type of development studies. This research produces a philosophical meaning that is contained in the Kapitan Village House Cultural Heritage, especially in rectangular shapes (rectangles, rhombuses and trapezoids. After being integrated into ethnomathematics-based LKPD, it shows that 84% of students who have completed mathematics learning are in the effective category. Keywords: Ethnomathematics, Cultural Heritage, Kapitan Village, LKPD Pendidikan Matematika Universitas PGRI Yogyakarta 2023-12-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5567 10.31316/jderivat.v10i3.5567 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 10 No. 3 (2023): Jurnal Derivat (Desember 2023); 157 - 168 2549-2616 2407-3792 10.31316/jderivat.v10i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/5567/3368 Copyright (c) 2023 Efryanty, Somakim, Budi Mulyono https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5573 2024-08-30T13:05:04Z derivat:ART

Model Stokastik Pada Penyebaran Penyakit Tuberkulosis Aziezah, Nur Sumarno, Hadi Jaharuddin, Jaharuddin Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis. This disease represents a significant global public health challenge. Consequently, a stochastic differential equation model of tuberculosis has been developed. In this context, an analysis examines the impact of complete treatment on the disease-free population distribution, duration of disease-free status, and the probability of remaining disease-free. The analysis shows that as the rate of complete treatment increases, the probability of achieving disease-free status rises, the duration of remaining disease-free shortens, and the number of disease-free individuals grows over time. Keywords: Complete Treatment, Disease-Free Duration, Stochastic Differential Equations, Tuberculosis Pendidikan Matematika Universitas PGRI Yogyakarta 2024-06-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5573 10.31316/jderivat.v10i2.5573 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 72 - 80 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/5573/3848 Copyright (c) 2024 Nur Aziezah https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5737 2024-08-30T13:05:04Z derivat:ART

Etnomatematika Pada Pola Batik Gumelem Melalui Analisis Geometri Transformasi dianlestari Kusno, Kusno Gumelem batik is batik made by the people of Gumelem Village, Susukan District, Banjarnegara Regency, One of the typical Gumelem batik producers who still maintains the traditional method making batik is the “Wardah” batik house owned by Mr. Budi Triono. The typical motifs of this batik are the sekar jagad motif, the udan liris motif, the arjuna temple motif, and the dawet ayu banjarnegara motif. Batik cloth culture has been recognized as an intangible world heritage, but its benefits are limited to the cloth. It is still rare for people to use batik culture as a mathematics learning medium. Mathematics that combines cultural concepts with mathematical elements is called ethnomathematics. In this research, typical Gumelem batik motifs will be discussed mathematically using the concept of geometric transformation. The method used descriptive-qualitative, with an ethnographic approach. The result of the research is that, for several typical Gumelem motifs analyzed, it turns out that all of three motifs contain mathematical elements, namely geometric transformation. This research is aimed at developing mathematics teaching materials based on the culture of Gumelem village. Keywords: Ethnomathematics, Batik Gumelem, Geometric Transformation Pendidikan Matematika Universitas PGRI Yogyakarta 2024-06-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5737 10.31316/jderivat.v10i2.5737 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 81 - 88 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/5737/3849 Copyright (c) 2024 dianlestari https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5763 2024-06-13T14:15:06Z derivat:ART

Mathematical Concepts In The Implementation of Tawaf According to The Quran Hikmah Suciani Rosyidi, Muhib The Koran covers mathematics in detail, especially multiplication and calculating numbers in various situations and circumstances. Mathematics as the queen of science has an important role as a means of translating concepts in science. so science and mathematics are interconnected and related. Science and mathematics are connected to the verses of the Qur'an. The verses in the Qur'an as the source of everything include technology, science, economics and provide the meaning that all branches of knowledge can be sought for truth from their source in the Qur'an. The method used in this journal uses qualitative research methods with the type of research being literature study. An example of a mathematical concept that has a correlation with the source of the Al-Qur'an is regarding the mathematical concept in the implementation of tawaf, namely when the congregation circles the Kaaba to form a flat circular shape. Keywords: Circle, hajj, phi, tawaf Pendidikan Matematika Universitas PGRI Yogyakarta 2024-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5763 10.31316/jderivat.v11i1.5763 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 1 (2024): Jurnal Derivat (April 2024); 38 - 43 2549-2616 2407-3792 10.31316/jderivat.v11i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/5763/3806 Copyright (c) 2024 Hikmah Suciani https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5837 2024-08-30T13:05:04Z derivat:ART

Etomatematika: Eksplorasi Konsep Transformasi Geometri Pada Batik Banyumasan Setyaningrum, Agustina Kusno, Kusno Culture and mathematics are two things that are interrelated, but most people do not realize that they have linked mathematics to their habits and culture. Banyumas is an area in Central Java that has many cultures, and one of these cultures is Banyumasan batik. Banyumasan batik is very famous in Banyumas because it is used by local people as traditional clothing and is even worn by employees on certain days. However, the use of Banyumasan batik is limited to clothing and has not been used in learning, even though the learning material could be more interesting. The aim of this research is to reveal mathematical elements, especially geometric transformations in Banyumasan batik. An ethnographic approach was used in this research, and data collection was carried out through observation, in-depth interviews, documents, and ethnographic notes. Data analysis is based on the meaning and translation of the phenomena found, as well as the informants' understanding of these phenomena and their original language, which is combined verbally with the researcher's language after in-depth understanding through group discussions. The research results show that Banyumasan batik contains geometric transformation elements that can be used in mathematics learning. Keywords: Banyumasan Batik, Culture, Geometry Transformation, Math Pendidikan Matematika Universitas PGRI Yogyakarta 2024-06-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5837 10.31316/jderivat.v10i2.5837 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 63 - 71 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/5837/3847 Copyright (c) 2024 Agustina Setyaningrum Agustina Setyaningrum https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/5881 2024-06-13T14:13:43Z derivat:ART

Etnomatematika: Eksplorasi Konsep Geometri Pada Bangunan Masjid Muhammad Cheng Hoo Purbalingga Latifah Fitriana Rahmah Kusno, Kusno There is a big difference between the mathematics problems taught in school and the mathematics that exists in society. As a result, educators face difficulties in modeling formal mathematical concepts with mathematical problems that occur in everyday life. By connecting mathematics learning with culture it will help the learning process. This will make it easier for educators to understand the topics being studied because they are relevant to everyday life. The aim of this research is to explore the concept of geometry in the Muhammad Cheng Hoo Purbalingga mosque. Data collection methods use interviews, observation and documentation. The camera is the tools and materials used. The data presentation is given in the form of images, along with a description of the ethnomathematics values that exist in the mosque. This research shows that the Muhammad Cheng Hoo Mosque in Purbalingga combines three cultural elements, namely Chinese, Arabic and Javanese. The results of this research show that the Muhammad Cheng Hoo mosque contains geometric elements, namely flat shapes, spatial shapes and transformations. This research is recommended for use as mathematics learning material. Keywords: Mathematics, Ethnomathematics, Muhammad Cheng Hoo Mosque Pendidikan Matematika Universitas PGRI Yogyakarta 2024-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/5881 10.31316/jderivat.v11i1.5881 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 1 (2024): Jurnal Derivat (April 2024); 29 - 37 2549-2616 2407-3792 10.31316/jderivat.v11i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/5881/3805 Copyright (c) 2024 Latifah Fitriana Rahmah https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6129 2024-06-14T03:30:51Z derivat:ART

Kemampuan Computational Thinking Materi Fungsi Eksponensial Menggunakan Problem Based Learning Hauda, Nabilah Mulyono, Budi Hapizah The development of technology in the 21st era is growing very rapidly, especially in the field of education. Learners are required to be able to hone skills, one of which is Computational Thinking (CT). This study aims to describe the emergence of indicators of students' CT ability through problem-based learning on exponential functions. This research is a descriptive qualitative research with the research subject, namely class X students of SMA Negeri 10 Palembang as many as 50 students with the focus of the subject, namely 3 students who have high, medium, and low abilities.. This research was conducted through preparation, implementation, and data analysis stages. The data in this study were collected through written tests and interviews with the aim of measuring students' CT abilities. The results obtained will be analyzed through three stages, namely data reduction, data presentation, and conclusion drawing. The results showed that the indicators of students' CT abilities on exponential function material were well seen, namely decomposition, pattern recognition, and abstraction. As for algorithm indicators, students are still not precise in solving problems systematically with the right answers. The development of technology in the 21st era is growing very rapidly, especially in the field of education. Learners are required to be able to hone skills, one of which is Computational Thinking (CT). This study aims to describe the emergence of indicators of students' CT ability through problem-based learning on exponential functions. This research is a descriptive qualitative research with the research subject, namely class X students of SMA Negeri 10 Palembang as many as 50 students with the focus of the subject, namely 3 students who have high, medium, and low abilities.. This research was conducted through preparation, implementation, and data analysis stages. The data in this study were collected through written tests and interviews with the aim of measuring students' CT abilities. The results obtained will be analyzed through three stages, namely data reduction, data presentation, and conclusion drawing. The results showed that the indicators of students' CT abilities on exponential function material were well seen, namely decomposition, pattern recognition, and abstraction. As for algorithm indicators, students are still not precise in solving problems systematically with the right answers.  Keywords: Computational Thinking Ability, Exponential Function, Problem Based Learning. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6129 10.31316/jderivat.v11i1.6129 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 1 (2024): Jurnal Derivat (April 2024); 44 - 53 2549-2616 2407-3792 10.31316/jderivat.v11i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/6129/3807 Copyright (c) 2024 Nabilah Hauda, Budi Mulyono, Hapizah https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6138 2025-05-29T04:18:54Z derivat:ART

Bagaimana Emosi Senang dan Bosan Tampak Dalam Pembelajaran Matematika Siswa SMP? Firdausa Yanuar Pradnyo Wijayanti Students' daily lives at school are characterized by a range of emotions. In recent years there has been interest in these emerging emotions, as they have been shown to affect future performance and learning. One sub-group of these emotions is the emotion of achievement. However, there is very little research on how achievement emotions emerge during mathematics learning. This study was conducted to find out how the achievement emotions of enjoyment and boredom emerge when learning mathematics in grade 7 junior high school students. A total of 31 students from class VII-A SMPN 1 Buduran participated in this study. The research type is  descriptive quantitative and was conducted by giving a questionnaire of achievement emotions to these 31 students and conducting interviews with 10 students. The research result shows that these two emotions can exist in one math learning meeting due to certain things such as how the teacher manages the class in learning and both occur in different phases of learning. Keywords: Achievement emotion, enjoyment, boredom, mathematics learning Pendidikan Matematika Universitas PGRI Yogyakarta 2025-04-27 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6138 10.31316/j.derivat.v12i1.6138 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 12 No. 1 (2025): Jurnal Derivat (April 2025); 72 - 81 2549-2616 2407-3792 10.31316/j.derivat.v12i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/6138/4497 Copyright (c) 2025 Firdausa Yanuar, Pradnyo https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6218 2024-08-30T13:05:04Z derivat:ART

Pembentukan Portofolio Optimal Saham Dengan Menggunakan Model Portofolio Mean-Variance-Skewness-Kurtosis Gubu, La Rashif Hilmi, Muhamad This paper presents the development of Markowitz's classic Mean-Variance (MV) portfolio model, namely the Mean-Variance-Skewness-Kurtosis (MVSK) portfolio model. The MVSK portfolio model aims to overcome the fact that most stock returns in the capital market do not follow a normal distribution, and there are skewness and excessive kurtosis. The solution of the MVSK portfolio model is determined using the Newton-Raphson method. To see the advantages of the MVSK model, an empirical study was carried out on a portfolio construction using the four best stocks on the Indonesian Stock Exchange, which are included in the LQ45 index group for February-July 2023. The empirical study shows that for risk aversion   the performance of portfolios formed using the MVSK model outperforms portfolios formed using the classical MV model, while for risk aversion   the performance of portfolios formed using the classic MV model outperforms portfolios formed using the MVSK model. In addition, it was also found that for risk aversion , the weight and performance of the portfolio formed using the MVSK model were close to the weight and performance of the portfolio formed using the classic MV model. Keywods: portofolio, return, risk, portfolio performance, MVSK. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-07-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6218 10.31316/jderivat.v10i2.6218 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 123 - 133 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6218/3946 Copyright (c) 2024 La Gubu, Muhamad Rashif https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6225 2024-08-30T13:05:04Z derivat:ART

Analisis Hambatan Belajar Pada Pembuktian Induksi Matematika Dalam Kemampuan Pemahaman Matematis Mahasiswa sholihah, wildatus This article discusses the analysis of learning obstacles among students in mathematical induction proof. Mathematical induction proof is a crucial topic in developing students' logical and problem-solving skills, but many students face obstacles in comprehending it. Learning obstacles are analyzed based on the question indicators provided. Mathematical understanding in this research includes instrumental understanding and relational understanding. The study was conducted on 22 students from class 5A in the Mathematics Education Program at UIN Sunan Gunung Djati Bandung. The method used is descriptive qualitative based on the analysis of student responses. The research results consist of learning obstacles based on question indicators and indicators of mathematical understanding ability. Keyword: Learning Obstacles, Mathematical Induction, mathematical understanding ability. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-08-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6225 10.31316/jderivat.v10i2.6225 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 157 - 167 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6225/4011 Copyright (c) 2024 wildatus sholihah https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6271 2024-08-30T13:05:04Z derivat:ART

Peningkatan Prestasi dan Kemandirian Belajar Matematika Melalui Model Pembelajaran STAD Menggunakan Media Berbasis Aplikasi Canva Azzahra, Fatimah Muslim, Arifin This study was conducted to apply the STAD (Student Team Achievement Division) type cooperative learning model using Canva application-based media to improve achievement and independence in learning media-assisted mathematics through Canva applications for fourth-grade students of SDN Gunungmujil. The procedure used in this research is classroom action research consisting of 2 cycles where each cycle consists of planning, implementation, observation, evaluation, and reflection stages. The assessment instruments used in this research are teacher observation sheets and student observation sheets, as well as evaluation questions, while LKPD is used during discovery activities. The results of cycle I and cycle II showed that the level of learning completeness increased by 73.83% and 93.36%, respectively. The increase in the level of learning completeness was accompanied by an increase in classical learning achievement, at least 75% of students achieved a score ≥ 70. The results of the research on student learning independence also showed an increase from cycle I of 61.07% and the results of cycle II to 86.25%. The conclusion of this research is that there is an increase in learning achievement and learning independence of students using the STAD-type cooperative learning model through Canva application-based media. STAD model learning must continue to be implemented to improve the achievement and learning independence of elementary school students. Keywords: Learning Independence, Canva Application Based Media, STAD Learning Model, Learning Achievement Pendidikan Matematika Universitas PGRI Yogyakarta 2024-06-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6271 10.31316/jderivat.v10i2.6271 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 89 - 100 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6271/3850 Copyright (c) 2024 Fatimah Azzahra Fatimah Azzahra, Arifin Muslim Arifin Muslim https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6289 2024-08-30T13:05:04Z derivat:ART

Pengembangan Model Prediksi Penjualan Ice Cream UMKM Jogja Menggunakan Metode Autoregressive Muhammad Rais Ramadhani Nurmalitasari Nurchim There are Micro Small Medium Enterprises (MSMEs) Jogja is included in the new category because of its launch in early 2023, but it already has a total turnover of hundreds of millions. This MSME focuses on enlisted Ice Cream sales with dozens of Ice Cream menu variants. The unstable level of sales originating from trends or seasons becomes a separate enemy for business actors. This study aims to carry out the permanent sales of MSME Jogja using the autoregressive method. The steps taken are (1) data collection, (2) Calculation of ACF and PACF, (3) data processing, and (4) calculation of error values. The data used in the current study is the 8 -8-month sales transaction data. The results showed that the autoregressive method can predict the sale of MSME Jogja with a low error value of MAE = 0.18 and RMSE = 0.14. With this, Ice Cream sales predictions using the Autoregressive Method can be accepted, which results in sales predictions in the following month, May 2024, as many as 1,118 products were sold. Suggestions for further researchers to research each existing menu variant. Keywords: Prediction, Sales, Ice Cream, Autoregressive Pendidikan Matematika Universitas PGRI Yogyakarta 2024-07-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6289 10.31316/jderivat.v10i2.6289 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 113 - 122 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6289/3945 Copyright (c) 2024 Muhammad Rais Ramadhani, Nurmalitasari, Nurchim https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6347 2024-08-30T13:05:04Z derivat:ART

Efektivitas Model Numbered Head Together (NHT) Berbantuan Media Video Animasi Terhadap Hasil Belajar Matematika SD Purbo Ningrum, Dian Sutriyani, Wulan The low achivement of students in mathematics is often caused by a lack of innovation and variety implemented by teachers in the use of teaching models and media. As a result, students become bored with learning mathematics, and their learning outcomes decline. Additionally, students’ understanding of mathematical concepts remains insufficient. This study aims to determine the effectiveness of using the Numbered Head Together (NHT) teaching model supported by animated video media on mathematics learning outcomes, specifically in the topic of whole number operations in garde IV at SD Negeri 6 Bulungan, and to test the difference in learning outcomes before and after using the NHT model. This research uses a quantitative approach with a Pre-Experimental design of the One Group Pretest-Posttest type. The sample consist of 15 students. The result show Tcount = 7,946 and Ttable = 2,144 at α = 0,05. Based on the criterion Tcount > Ttable, H0 is rejected and Ha is accepted. Additionally, descriptive analysis shows that the average pretest score of students was 59,00 which increased to 78,33 in the posttest. Therefore, the use of the Numbered Head Together (NHT) teaching model supported by animated video media is effective for elementary school students mathematics learning outcomes. Keywords: NHT, Learning Outcomes, Animated Video Pendidikan Matematika Universitas PGRI Yogyakarta 2024-06-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6347 10.31316/jderivat.v10i2.6347 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 101 - 112 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6347/3873 Copyright (c) 2024 Dian Purbo Ningrum, Wulan Sutriyani https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6367 2024-08-30T13:05:04Z derivat:ART

Enhancing Mathematical Understanding Through Ethnomathematics: A Study Of The Pusaka Monument's Geometric Structures Atikah Mufidah Ishartono, Naufal Masduki, Masduki Several previous studies have examined the ethnomathematical exploration of cultural sites. However, there has been no research specifically exploring the Tugu Pusaka. This study explores the ethnomathematics found in the Pusaka Monument in Selogiri, Wonogiri Regency. Ethnomathematics examines how cultural groups understand and use mathematical concepts. The Pusaka Monument, with its geometric structure, offers numerous aspects for study within this context. The objective of this research is to describe the mathematical concepts present in the Pusaka Monument and to integrate these concepts into mathematics education. The research employs a survey method conducted at the Pusaka Monument site, with purposive sampling to ensure relevance and significance. The study follows a series of steps: literature review, field data collection, and descriptive and factual analysis of findings. Data collection involved observation, interviews, and documentation. The data were analyzed qualitatively, focusing on identifying geometric concepts within the monument's structure. This research aims to enhance students' understanding of mathematics through the integration of cultural elements and to promote the preservation of Indonesia's cultural heritage through ethnomathematics. The findings are expected to contribute to the development of a more contextual and culturally-based mathematics curriculum, enriching both mathematical education and cultural awareness among students. Keywords: Ethnomatematika, Mathematics Education, Pusaka Monument Selogiri, Cultural Heritagez Pendidikan Matematika Universitas PGRI Yogyakarta 2024-08-09 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6367 10.31316/jderivat.v10i2.6367 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 176 - 187 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6367/4018 Copyright (c) 2024 Atikah Mufidah https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6371 2024-08-30T13:05:04Z derivat:ART

Examining the Influence of Lecturer Support and Classroom Environment on Mathematical Resilience, Self-Efficacy, and Self-Confidence Mandailina, Vera This study aims to investigate the relationship between lecturer support, classroom environment, and several student psychological factors such as mathematical resilience, self-efficacy, and self-confidence. The research subjects consisted of 77 mathematics education students. The research instrument was a 38-question questionnaire. The results of data analysis showed that students gave positive responses with an average of 80.03 to lecturer support, 75.66 to the classroom environment, 79.15 to mathematical resilience, 80.57 to self-efficacy, and 75.95 to self-confidence. Furthermore, multiple linear regression analysis showed that lecturer support and classroom environment significantly influenced students' mathematical resilience by 26.7%, self-efficacy by 25.5%, and self-confidence by 30.2%. This finding indicates that the implementation of learning both in the classroom and outside the classroom is considered quite good by students. It also provides a deeper understanding of the factors that contribute to students' learning experience. The implications of this finding suggest developing strategies to improve the quality of learning by taking into account aspects of lecturer support and physical and social environmental conditions. Thus, it is expected to support students' academic achievement and personal development optimally. Keywords: Learning Environments, Lecturer Support, Mathematical Resilience, Self-Efficacy, Self-Confidence Pendidikan Matematika Universitas PGRI Yogyakarta 2024-08-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6371 10.31316/jderivat.v10i2.6371 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 168 - 175 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6371/4010 Copyright (c) 2024 Vera Mandailina https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6377 2024-08-30T13:05:04Z derivat:ART

Penerapan Joyful Learning Dalam Upaya Peningkatan Minat dan Hasil Belajar Matematika Ramadhani, Annisa Nurhadi Aprilia, Rustina Azainil This research discusses the application of Joyful Learning which aims to determine students' interest and learning outcomes in mathematics on flat building material in class VII-5. The method used in this research is quantitative. The research instruments used are questionnaires in the form of observation sheets and Learner Worksheets. The data collection technique in this study consisted of conducting a test before the application of Joyful Learning (pre-test) and a test after Joyful Learning (posttest) in one class which became the research subject. Data analysis techniques used, namely validity and reliability tests, normality tests, Wilcoxon tests. The results of this research indicate that the application of the Joyful Learning model is proven to be able to increase student interest and learning outcomes. This is because the learning is fun and makes students play an active role in the learning process. Thus it can be concluded that the Joyful Learning model has a positive effect on student interest and student math learning outcomes on flat building material. Keywords: Joyful Learning, Learning Outcomes, Interest in Learning Pendidikan Matematika Universitas PGRI Yogyakarta 2024-07-26 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6377 10.31316/jderivat.v10i2.6377 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 134 - 146 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6377/3991 Copyright (c) 2024 Annisa Ramadhani, Nurhadi, Rustina Aprilia, Azainil https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6397 2025-01-20T03:28:11Z derivat:ART

Karakteristik Graf Dengan Sisi Bilangan Fibonacci Darmajid Dwi Mifta Mahanani Let  be a finite subset of Fibonacci numbers set. In this research, we construct a graph  where the set of vertices contains integer numbers such that for every , there exist some edge  in  that satisfies the condition . By applying some properties of the Fibonacci numbers, we prove that if  contains the first  consecutive Fibonacci numbers then  has the smallest order . Furthermore, we give the sufficient conditions for  become simple graph  and contains no cycle.  Keywords: edge of graph, Fibonacci number, order of graph, simple graph, cycle. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-12-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6397 10.31316/j.derivat.v11i3.6397 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 3 (2024): Jurnal Derivat (Desember 2024); 219 - 228 2549-2616 2407-3792 10.31316/j.derivat.v11i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/6397/4323 Copyright (c) 2025 Darmajid https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6443 2024-08-30T13:05:04Z derivat:ART

Efektivitas Model Numbered Head Together Berbantuan Media Kantong Bilangan Terhadap Pemahaman Konsep Perkalian SD Nor Fatimah, Salsalia Sutriyani, Wulan Zumrotun, Erna The purpose of the research is to determine the effectiveness and differences in increasing understanding of concepts before and after implementing the Numbered Heads Together learning model assisted by number bag media. Researchers used a Pre-Experimental approach. Meanwhile, the design uses a one-group pretest-posttest design. One-group pretest-posttest design is a type of research that uses a pretest and posttest after treatment, then compares the pretest and posttest scores. The research was conducted in Phase A class 2 of Jinggotan State Elementary School in the 2023/2024 academic year. The results of the research value increased by 100% above the KKM with an increase in the value of understanding the concept of multiplication before and after treatment with the Number Head Togather learning model with the help of number bag media with the average student pretest score being 40.06 with the lowest result being 23 and the highest result being 77. On the other hand, the posttest completion score was 78.88 with the lowest score being 73 and the highest score being 95. Based on the results of the paired sample t-test, the data significance value was 0.001 < 0.005. Thus, the application of the Number Head Together learning model by supporting number collection media is effective in understanding the concept of multiplication for grade 2 students at Jingotan State Elementary School. Kata Kunci: Number Head Togather, concepts understanding, number pocket media Pendidikan Matematika Universitas PGRI Yogyakarta 2024-08-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6443 10.31316/jderivat.v11i2.6443 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 211 - 220 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6443/4073 Copyright (c) 2024 Wulan Sutriyani, Salsalia Nor Fatimah, Erna Zumrotun https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6474 2024-08-30T13:05:04Z derivat:ART

Analisis Regresi Liner untuk Meramalkan Jumlah Siswa Sekolah Dasar di Cilacap Aspriyani, Riski Muhassanah, Nur'aini This research aims to determine a prediction model using Simple Linear Regression for time series data on the number of elementary school students in Cilacap from 2010 to 2023 and to obtain predicted results on the number of elementary school students in Cilacap for the following year. The data pattern of the number of elementary school students in Cilacap is known to have a decreasing trend. The time series data was subjected to the Durbin-Watson test to see whether there was autocorrelation. It was found that data on the number of elementary school students in Cilacap from 2010 to 2023 did not have autocorrelation with the Durbin-Watson (d) computing value of 1.385. The requirements for time series data have been met, so that forecasting analysis can be carried out using Simple Linear Regression and it is found that the regression equation is y ̂=168698.604-1600.519x. This regression equation is used to predict the value of the number of elementary school students in Cilacap for the next year. The forecasting accuracy level is 97.303% or with a MAPE error value of 2.697%, which means that the ability of the regression model to predict is very accurate. Thus, the predicted data on the number of elementary school students in Cilacap for the next period in 2024 is 144690 students. Keywords: Forecasting, Time Series, Linear Regression Pendidikan Matematika Universitas PGRI Yogyakarta 2024-08-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6474 10.31316/jderivat.v10i2.6474 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 221-229 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6474/4068 Copyright (c) 2024 Riski Aspriyani https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6496 2024-08-30T13:05:04Z derivat:ART

Pengaruh Efikasi Diri Terhadap Hasil Belajar Matematika Siswa Kelas X SMAN Di Jakarta Barat Baduri, Jayanti Nurrahmah, Arfatin The purpose of this research to know the effect of self-efficacy toward mathematic achievement. The research was carried out in April 2024 with sample as many as 70 students which was determined by using simple random sampling technique. Data was obtained through student mathematics learning outcome test instruments and self-efficacy questionnaire instruments. The instrument has been tested for validity and reliability so obtained is valid and reliable. Testing requirements analysis using a normality test with Lilliefors retrieved that students learn math results and self-efficacy Gaussian. After the data Gaussian regression linearity test and do significance of regression obtained that the results of learning math students and self-efficacy of significant regression and linear regression. Based on data calculation of the research results, a significance value result is 0.005 (Sig. < 0.05) which means ????0 rejected, so that the results of this research it can be concluded that there is a relation of self-efficacy with the results of learning math students. The determination coefficient (R-Square) obtained 0,108 and Y ̂= 43,543 + 0,306 X it means self-efficacy give influence on the result of learning math students amounted 11%. But there are other factors that contribute to student learning math results amounted to 89%. Keywords: Self-Efficacy, Mathematics Learning Outcomes Pendidikan Matematika Universitas PGRI Yogyakarta 2024-08-06 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6496 10.31316/jderivat.v10i2.6496 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 2 (2024): Jurnal Derivat (Agustus 2024); 147-156 2549-2616 2407-3792 10.31316/jderivat.v11i2 eng https://journal.upy.ac.id/index.php/derivat/article/view/6496/4009 Copyright (c) 2024 Jayanti Baduri Jayanti Baduri https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6541 2025-01-20T03:28:11Z derivat:ART

Penyelesaian Masalah Transshipment pada Pendistribusian Tempe Menggunakan Metode Max-Min Febriana, Febriana Helmi, Helmi Fran, Fransiskus Tempe is a daily food of Indonesian people that is famous for its high nutritional content. One of the home industries that produce tempe in Pontianak City is Pabrik Tempe Tuan Y. In distributing tempe, Pabrik Tempe Tuan Y  applies a transshipment system with two markets as transit points, where these two markets have different locations. This study aims to determine the solution to the tempe distribution problem and determine the minimum distribution cost that can be incurred by Pabrik Tempe Tuan Y. The problem in this study is a transshipment problem with mixed constraints, where the source and destination constraints consist not only of equation signs but also inequality signs. The Max-Min method is a method for solving transshipment problems with mixed constraints that can be used to obtain optimal solutions from solving all types of transshipment problems. The transshipment problem is organized in the form of a transportation table. The table is then solved using the Max-Min method. The results showed a decrease in total transportation costs from Rp 292,136.00 to Rp 260,193.00 with a cost difference of Rp 31,943.00.  Keywords: Transportation Problem, Transshipment Problem with Mixed Constraints, Max-Min Method. Pendidikan Matematika Universitas PGRI Yogyakarta 2024-12-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6541 10.31316/j.derivat.v11i3.6541 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 3 (2024): Jurnal Derivat (Desember 2024); 237 - 249 2549-2616 2407-3792 10.31316/j.derivat.v11i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/6541/4325 Copyright (c) 2025 Fransiskus Fran, Febriana Febriana, Helmi Helmi https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6551 2025-05-29T04:18:54Z derivat:ART

Optimalisasi Fase Dan Durasi Lampu Lalu Lintas Bundaran Digulis Pontianak Sijabat, Harry Evendy Nilamsari Kusumastuti Fransiskus Fran Digulis Roundabout Pontianak is one of the intersections that has a fairly heavy traffic flow that often causes congestion at this intersection. Therefore, it is necessary to optimise the phase and duration of traffic lights by applying fuzzy graph   to reduce congestion at thy are. In this study, traffic flows are represented as vertices and flows that cross or intersect are represented as edges, then the degree of membership of the vertices is represented as the density of the traffic flow and the degree of membership of the edges is represented as the level of conflict between two vehicle flows that can cause traffic conflicts. Based on this representation, a fuzzy graph  consisting of 14 vertices and 42 edges is obtained. Furthermore, fuzzy graph formation is modelled as a fuzzy graph colouring problem. Fuzzy graph colouring using the concept of Eslachi and Onagh (2006) produces chromatic numbers for  ∝, namely  ,  ,and   and the largest chromatic number is 4, meaning that there are 4 traffic phases obtained at Digulis Roundabout Pontianak. Next the optimal duration of each phase was found using the Webster method. The green light duration for each phase of Digulis Roundabout Pontianak is obtained, namely, Jenderal A Yani 2 street for 53 seconds, Jenderal A Yani 1 street for 46 seconds, Daya Nasional street for 15 seconds, Prof. Hadari Nawawi street for 18 seconds Keywords : traffic jam, fuzzy graph , fuzzy graph colouring, Webster method Pendidikan Matematika Universitas PGRI Yogyakarta 2025-04-30 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6551 10.31316/j.derivat.v12i1.6551 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 12 No. 1 (2025): Jurnal Derivat (April 2025); 82 - 96 2549-2616 2407-3792 10.31316/j.derivat.v12i1 eng https://journal.upy.ac.id/index.php/derivat/article/view/6551/4520 Copyright (c) 2025 Harry Evendy Sijabat https://creativecommons.org/licenses/by-sa/4.0

oai:ojs2.journal.upy.ac.id:article/6585 2025-01-20T03:28:11Z derivat:ART

Pengaruh Model Connected Mathematics Project Terhadap Kemampuan Pemahaman Konsep Matematika Ditinjau Dari Adversity Quotient Farra Aulia Rahmayanti Nur Baiti Nasution This study aimed to determine whether the Connected Mathematics Project (CMP) instructional model enhances students' conceptual understanding compared to conventional teaching methods. Additionally, the research assessed differences in students' conceptual understanding based on their Adversity Quotient (AQ) categories: climbers, campers, and quitters. Furthermore, the study investigated whether there is an interaction between the CMP instructional model and Adversity Quotient in influencing students' conceptual understanding. The method employed was a quasi-experimental design with a posttest-only control group. The sample consisted of XI MIPA 2 as the experimental group and XI MIPA 4 as the control group. Data were collected using both test and non-test methods, and data analysis utilized a two-way analysis of variance (ANOVA). The findings revealed that the CMP instructional model significantly enhances students' conceptual understanding compared to the conventional model. Moreover, students categorized as climbers in AQ demonstrated better conceptual understanding compared to campers, while campers showed similar performance to quitters. Students with adversity quotient climbers exhibited better conceptual understanding than those with adversity quotient quitters. There was an interaction between the instructional model and adversity quotient in influencing conceptual understanding. Keywords: Adversity quotient, CMP, Conceptual understanding Pendidikan Matematika Universitas PGRI Yogyakarta 2024-12-28 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://journal.upy.ac.id/index.php/derivat/article/view/6585 10.31316/j.derivat.v11i3.6585 Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika; Vol. 11 No. 3 (2024): Jurnal Derivat (Desember 2024); 250 - 261 2549-2616 2407-3792 10.31316/j.derivat.v11i3 eng https://journal.upy.ac.id/index.php/derivat/article/view/6585/4331 Copyright (c) 2025 Farra Aulia Rahmayanti, Nur Baiti Nasution https://creativecommons.org/licenses/by-sa/4.0 48ffc74b30fb6d07ebaf5c3fcea94449