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JURNAL DERIVAT: JURNAL MATEMATIKA DAN PENDIDIKAN MATEMATIKA

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Published by Universitas PGRI Yogyakarta

ISSN : 24073792 EISSN : 25492616 DOI : -

Core Subject : Education,

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Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika, e-ISSN: 2549-2616, p-ISSN: 2407-3792 Is an information container containing scientific articles of research, literature studies, ideas, the application of theory, the study of critical analysis, and Islamic studies in the field mathematics and mathematics education. DERIVAT JOURNAL is published twice in ane year, January-June and August to December period, published by Mathematics Education Study Program of Universitas PGRI Yogyakarta.

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Articles 290 Documents

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Analisis Kesalahan Mahasiswa Dalam Menyelesaikan Soal Persamaan dan Pertidaksamaan Pada Mata Kuliah Kalkulus I Tuhfatul Janan
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

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

Analisis Kemampuan Berpikir Kreatif Matematis Siswa SMP Ditinjau Dari Karakteristik Tanggung Jawab Nindi Sri Rahayu; Hikmatul Khusna
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

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.Â Keywords: Mathematical creative thinking, responsibility characteristics.

Analisis Pembentukan Portofolio Optimal Saham-Saham JII30 Dengan Model Indeks Tunggal Periode New-Normal Miftahul Huda; Syarif Abdullah; Sri Istiyarti Uswatun Chasanah; Himmatul Mursyidah; Fajri Ikhsan; Sidik Susilo; Rani Septiani Sukandar
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

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.Â Keywords: Jakarta Islamic Index 30 (JII30), Single Index model, new normal, Optimal portfolio

Pengelompokan Kabupaten Dan Kota Di Provinsi Jawa Timur Berdasarkan Tingkat Kesejahteraan Dengan Metode K-Means Dan Density-Based Spatial Clustering Of Applications With Noise Maria Titah Jatipaningrum; Suci Eka Azhari; Kris Suryowati
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

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.

Penerapan Model Discovery Learning Untuk Meningkatkan Keaktifan Belajar Siswa Saat Pandemi Yoga Handita Handita; Puguh Wahyu Prasetyo; Sugiyem Sugiyem
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

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

Pengembangan LKPD Berorientasi Model Pembelajaran Flipped Classroom Pada Materi Aritmatika Sosial Kelas VII SMP Lingga Anzalna; Misdalina Misdalina; Tika Dwi Nopriyanti
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

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

Kepraktisan E-Module Berbasis Project Based Learning Pada Materi Vektor Nadiyah Mufidah; Tika Dwi Nopriyanti; Yunika Lestaria Ningsih
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 1 (2022): Jurnal Derivat (Juli 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

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.Â Keywords: E-Module, Project Based Learning, Vector

Kemampuan Pemecahan Masalah Matematis Mahasiswa PGMI Pada Materi Volume Bangun Ruang: PGMI Students' Mathematical Problem Solving Ability in Constructing Volume Material Nurdiana Siregar
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jderivat.v9i2.2711

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

Meta-Analisis Kualitatif Kajian Ilmiah Self Regulated Learning dalam Pembelajaran Matematika: Qualitative Meta-Analysis of Scientific Studies of Self Regulated Learning in Mathematics Learning Kholifah Nur Latifah; Sukirwan; Cecep Anwar Hadi Firdos Santosa
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jderivat.v9i2.3586

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

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 asni Afriandani; Wahyuddin; Nursakiah
Jurnal Derivat: Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2022): Jurnal Derivat (Desember 2022)
Publisher : Pendidikan Matematika Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jderivat.v9i2.1934

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

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