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Mathema: Jurnal Pendidikan Matematika
Published by Universitas Teknokrat Indonesia
ISSN : 27221466     EISSN : 26865823     DOI : https://doi.org/10.33365/jm
Core Subject : Education,
Mathematics
Mathema: Jurnal Pendidikan Matematika (E-ISSN: 2686-5823, P-ISSN: 2722-1466) is a single peer-reviewed journal published by the Universitas Teknokrat Indonesia. This journal aims to facilitate and promote the dissemination of scholarly information on research and development in the field of Mathematics and Mathematics Education. The articles published in this journal can be the result of research, conceptual thinking, ideas, innovations, best practices, and book reviews.The scopes of this journal include the following topic areas: - Mathematics Teaching and Learning - Mathematics Curriculum Development - Mathematics Teacher Education - Educational Technology of Mathematics
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 49 Documents
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Improving Elementary Students' Understanding of LCM and GCF Through a Traditional Dakon Game I Nyoman Bagus Pramartha Pramartha; Komang Hari Santhi Dewi
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.80

Abstract

Low student ability in determining the Least Common Multiple (LCM) and Greatest Common Factor (GCF) of a number is caused by a lack of student motivation in learning. Nowadays, a learning innovation based on local wisdom is highly needed, one that is not only fun but also educates students according to their needs in the academic field. One local wisdom that can be developed is the Dakon/Congklak game. This research was also conducted to assess the validity, practicality, and effectiveness of traditional Dakon game-based media based on assessments from design experts, media experts, and learning practitioners. The research sample consisted of 40 fourth-grade students with LCM and GCF material. The method used was R&D (Research and Development) with a 4-D development model, namely define, design, development, and disseminate. The methods used to collect data in this research were questionnaires and interviews so that the data obtained would be more accurate and the resulting media would be more useful for users in the future. The results of the learning design expert review showed that the LCM and GCF learning media was categorized as very feasible (94%), the results of the learning media expert review showed that the LCM and GCF learning media was categorized as feasible (82%), the results of individual trials of the LCM and GCF learning media were categorized as very practical (92%), the results of small group trials of the LCM and GCF learning media were categorized as very practical (93%), and the results of field trials of the LCM and GCF learning media were categorized as very practical (97%). Meanwhile, the effectiveness of the development of the developed LCM and GCF learning media effectively improved LCM and GCF learning outcomes based on the results of the Wilcoxon Signed Ranks Test analysis which indicated that the median pre-test rank (Mdn = 5.00) was significantly different from the median post-test rank (Mdn = 9.00), Z = 5.540, p = 0.000. This means that it is known that Sig. 0.000 < 0.05 so there is a significant difference between the pre-test and post-test. Keywords: mathematics, LCM, GCF, dakon, traditional games.
Development of Contextual Worksheet Based on Characteristics of SPLDV Material at SMP Negeri 2 Bumi Nabung Antika Wijayanti; Selvi Loviana
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.81

Abstract

Learning mathematics requires learning media that are interesting and contain contextual life history. This study aims to develop valid, practical, and contextual worksheets which contain illustrated stories (comic) with characters. This worksheet uses Systems of Linear Equations in Two Variables material. The type of research used in this study is Research and Development. The research procedure used is the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The tryout was conducted on a small-scale group involving fifteen class VIII D SMP Negeri 2 Bumi Nabung students. The results showed that the validation of material experts obtained a total average of 3.45 with the validation criterion of "Valid." The results of the media expert validation obtained a total average of 3.86 with the validation criterion of "Valid." The student response questionnaire analysis results obtained a total score percentage of 92% with the practicality criterion "Very Practical." The results of this study indicate that the worksheet developed has met the criteria and is practical, so the worksheet is suitable for use in learning. Keywords: Development, Worksheet, Contextual, Comic
Meta-Synthesis: Mathematical Problem-Solving Ability Reviewed from Students’ Self-Efficacy Erina Nurhalisha; Zaenuri Zaenuri; Kristina Wijayanti; Scolastika Mariani; Isnaini Rosyida
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.82

Abstract

Mathematical problem-solving ability is essential for individuals who study mathematics. Low mathematical problem-solving ability will result in low-quality human resources. The cause of low mathematical problem-solving ability is the lack of intensity of students doing exercises to work on mathematical problems. Mathematical problem-solving ability is closely related to students' self-efficacy. This study describes self-efficacy toward mathematical problem-solving ability, especially in mathematics learning. The method used in this study is meta-synthesis in the form of a qualitative systematic study, namely by analyzing four articles relevant to the study's title. The initial steps taken are (1) determining the questions to be studied, (2) looking for articles related to self-efficacy and mathematical problem-solving ability with a period of 2019-2024, (3) screening and selecting appropriate research articles, (4) Conducting analysis and synthesis of qualitative findings, (5) implementing quality control, and (6) concluding the final results. The analysis results concluded that self-efficacy affects students' mathematical problem-solving ability. The higher the self-efficacy, the better the ability to build mathematical knowledge through problem-solving (what is known and what is asked), the ability to solve problems that arise in mathematics and other contexts, the ability to apply and use various appropriate strategies to solve problems, and the ability to observe and reflect on the process of solving mathematical problems.
Students’ Difficulties in Solving AKM Numeracy Problems in Algebra: An Analysis Based on Learning Styles Shafa Salsabila; Endang Cahya Mulyaning Asih; Dadan Dasari
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.84

Abstract

This study explores junior high school students’ numeracy skills in solving AKM-equivalent algebra problems based on their learning styles: visual, auditory, and kinesthetic. Using a qualitative case study design, nine students were selected through a learning style questionnaire and a numeracy test. Data were gathered using tests, interviews, and document analysis. The findings reveal that students with different learning styles demonstrate distinct strengths and challenges at each cognitive level (knowing, applying, and reasoning). High-proficiency students were able to solve problems across all levels, often using strategies aligned with their learning preferences. Moderate-proficiency students commonly faced difficulties in applying-level tasks due to conceptual misunderstandings, while low-proficiency students struggled across all levels, particularly with comprehension and focus. Despite these difficulties, students employed various successful strategies such as sketching, verbalizing, or imagining scenarios. The study highlights the importance of adaptive instruction that integrates learning style-based strategies. Practical recommendations are provided for educators to design inclusive numeracy instruction that enhances students’ mathematical understanding and problem-solving abilities.
Designing Medume Media on Data Centering Materials Using Design Thinking Method Riri Andini; I Luh Restini; Rita Lefrida
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.85

Abstract

A teacher must be creative to get the attention of Generation Z students (“Gen Z”) in the learning process. One of the things that can be implemented is using media that suits the needs of student participants. In this study, the media designed is medume media and applied to data centering material.The purpose of the research is to design learning media that focuses on students' needs. The process of designing this media uses the Design Thinking method. The research sample consisted of four students from grade 8 junior high school. The sample selection was based on extreme left and extreme right criteria. This method starts from the stages of emphatize, define, ideate, and prototype. Then, it concludes with the testing stage. This research was conducted at SMP Negeri 4 Palu. It included qualitative approach. The researchers created an interactive media medume board. After the medume board was formed, it was applied in a classroom which discussed the said material. The result is that students were very enthusiastic and could understand the data concentration material quickly. In addition, the concept of data concentration becomes more concrete and easier to understand. This is because students can see the media used and interact directly with the data presented.
The Effect of Project Based Learning on Changes in Self-regulated learning Nadyati Putri; Febrinna Marchy; Dadan Dasari; Cut Nadia Rachmi
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.94

Abstract

This study aims to examine the effect of Project Based Learning (PjBL) implementation on students' self-regulated learning in mathematics learning. Using a quasi-experimental design with Nonequivalent Pretest-Posttest Control Group Design, this study involved two classes of VIII grade students at SMP Negeri 5 Bandung. One class acted as an experimental class with the application of PjBL, while the control class used conventional learning with a scientific approach. Data were collected through pretest and posttest and attitude scale questionnaire, then processed using Mann-Whitney U nonparametric statistical test. The average N-gain of self-regulated learning in the PjBL class was 0.23, which was significantly higher than the conventional class's 0.16, according to the data. In conclusion, PjBL is effective in increasing students' self-regulated learning compared to conventional learning methods. Based on these findings, it is recommended that PjBL be implemented in the curriculum to support the development of students' self-regulated learning.
The Level of Creative Thinking of Prospective Mathematics Teachers in Solving Basic Geometry Problems: Analysis and Strategies Rosita Dwi Ferdiani
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.95

Abstract

Creative thinking ability is one of the most important 21st-century skills, especially in the context of problem solving. Creative thinking involves developing and combining ideas and innovative approaches to solve problems. Creative thinking is a process that occurs when someone comes up with new ideas. This study aimed to show prospective mathematics teachers’ creative thinking in solving geometry problems. The research subject is the student class 2023 A, Department of Mathematics Education, PGRI Kanjuruhan University Malang. Type study This is a qualitative study, with the instrument being the researcher, a sheet test, guidelines for interviews, and documentation. The results are one subject study meets TKBK 2, 1 subject study meets TKBK 3, 1 subject study meets TKBK 4, and 1 subject study fulfils TKBK 5. Based on the results of the interview with the subject study with TKBK 2, 3, and 4, the conclusion is that students are not yet used to understanding and learning concepts, tangible objects, or real-world situations, so that difficult to develop creative ideas in solving geometry. Therefore, to improve the creative thinking skills of prospective mathematics teachers, a) Provide Open-Ended Practice Questions, b). Use of Learning Media, c). Project-Based Learning. Suggestions for further research are the need to study the creative thinking process of prospective mathematics teachers, so they can later determine strategies for developing the creative thinking skills of prospective mathematics teachers.
Students' Problem-Solving Abilities in Solving the PISA Test in Terms of Learning Style Sri Indah Dwirahmasari Yudha; Abd. Qohar; Sisworo
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.97

Abstract

This research applies a qualitative descriptive approach. The purpose of this research is to describe students' problem-solving abilities in solving the PISA test based on each type of learning style, namely visual, auditory, and kinesthetic. The students involved in this research were 35 students, class X from SMA Negeri 1 Kedungwaru, Tulungagung. The method of obtaining data was by using students’ answer sheets and interview results. The results obtained from this research indicate that students carry out Polya steps when solving the PISA test. Based on the characteristics of learning styles, it shows that (1) a student with a visual learning style finds it easier to write than to tell when solving the test and uses previously seen methods, (2) a student with an auditory learning style is good at speaking and able to understand information by listening to explanations from other people, and (3) a student with a kinesthetic learning style is used to practicing directly without being connected to what has previously been seen and heard. Therefore, teachers should pay attention to each type of student learning style to achieve learning goals effectively and well.
Middle School Students' Mathematics Learning Difficulties in Function Material: A Systematic Literature Review Aqidatul Izzah; Didi Suryadi; Jarnawi Afgani Dahlan; Mirza Aulia
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.108

Abstract

This study aims to explore how the difficulties of high school students in learning mathematics, especially in functional materials. The data obtained in this study were 7 out of 22 articles and theses after going through a series of PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) stages with the Systematic Literature Review (SLR) approach. The articles and theses obtained came from Google Schoolar with the help of the Publish or Perish application. Based on the studies that have been analyzed, the results are obtained that students' mathematical difficulties, especially in function, are divided into three major parts, namely difficulties in the learning process, difficulties in working on problems, and internal and external difficulties. On the other hand, there is also an anticipation to reduce the occurrence of mathematical difficulties in students, including creating a supportive learning environment from the way of teaching and educating teachers, student readiness in learning, and comfortable school environments.
Matrix Material Learning Design Using Context of Bookshelf to Support High School Students Understand Concepts Trisna Wulandari; Zulkardi; Ely Susanti; Meryansumayeka Meryansumayeka
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.129

Abstract

Understanding concepts is something that students need to have because concepts in mathematics are interrelated with each other. The purpose of this study was to determine the learning design on matrix material using the concept of bookshelves (lockers) that can support the understanding of the matrix concept of high school students. The researcher designed a student activity sheet with the context of bookshelves (lockers) that are often found in the school environment that are used in learning. The subjects of the study were 35 high school students in grade XI at SMA Srijaya Negara Palembang. The research method used was design research through three stages, namely the preparation for the experiment, the design experiment, and retrospective analysis. Data collection through the results of student activity sheets and interviews. The data collected were analyzed descriptively. This study produced Hypothetical Learning Trajectory (HLT) which can support student understanding to the concept of matrices.

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