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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 65 Documents
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The Effect of The Guided Discovery Learning Model on Students Mathematical Reasoning Skills Stanley Gilbert Pangaribuan; Nurhanurawati; Agung Putra Wijaya
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 8 No. 2 (2026): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v8i2.2383

Abstract

This research was motivated by the gap between the importance of mathematical reasoning skills and the reality that such skills remained relatively low among students in Indonesia. The research aimed to determine the effect of the guided discovery learning model on students’ mathematical reasoning skills. This research was conducted at SMP Negeri 13 Bandar Lampung during the even semester of the 2025/2026 academic year. The eighth-grade students were distributed across 10 classes, two of which were honors classes, namely VIII-3 and VIII-4; therefore, these two classes were excluded from the research population. Consequently, the research population consisted of students in classes VIII-1, VIII-2, and VIII-5 through VIII-10, totaling 8 classes. The research sample was selected using cluster random sampling, with class VIII-2 as the control class and class VIII-7 as the experimental class. The design used was a pretest-posttest control group design. The data in this research consisted of quantitative data obtained through a mathematical reasoning skills test. Based on the results of data analysis using the Mann-Whitney-U test, it was found that the increasing in mathematical reasoning skills of students who participated in guided discovery learning was higher than students who participated in conventional learning. Thus, it can be concluded that the guided discovery learning model has an effect on students’ mathematical reasoning skills.
Meta-Analysis : The Influence of the Game Based Learning (GBL) Model On Students' Mathematics Learning Outcomes Ade Dwi Oktaviani; Meiliasari; Wardani Rahayu; Makmuri; Tian Abdul Aziz
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 8 No. 2 (2026): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v8i2.2388

Abstract

Mathematics learning outcomes remain a challenge across various educational levels, highlighting the need for instructional approaches that enhance student engagement and understanding. One of the widely implemented approaches is Game Based Learning (GBL). This study aimed to examine the overall effect of GBL on students’ mathematics learning outcomes and to identify differences in effect sizes based on game type, sample size, and educational level through a meta-analysis approach. The study employed a meta-analysis method following the PRISMA guidelines. A total of 25 primary studies published between 2019 and 2026 that met the inclusion criteria were analyzed using JASP software. Effect sizes were calculated using Hedges’ g and synthesized through a random-effects model. The results revealed that GBL had a very large positive effect on mathematics learning outcomes, with a pooled effect size of 2.184 (95% CI [1.101, 3.268]; p < 0.001). Heterogeneity analysis indicated substantial variation among studies (Q = 1129.72; I² = 98.89%), leading to moderator analyses. The findings showed that game type (F = 0.1125; p = 0.740) and sample size (F = 0.073; p = 0.930) were not significant moderators of effect size variation. In contrast, educational level was found to be a significant moderator (F = 4.563; p = 0.009), with the largest effect size observed at the higher education level (g = 10.630). Publication bias analyses using Funnel Plot, Fail-Safe N (9076), and Trim and Fill indicated that the meta-analytic findings were highly robust and minimally affected by publication bias. These findings suggest that Game Based Learning is an effective instructional approach for improving students’ mathematics learning outcomes across different educational levels.
Designing Mathematics Instruction Based on Problem-Based Learning to Improve the Mathematical Communication Skills of Eighth-Grade Junior High School Students Faizah Tasya Nabila; Suyono; Lukman El Hakim; Tian Abdul Aziz
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 8 No. 2 (2026): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v8i2.2675

Abstract

This study aims to analyze the need to develop a Problem-Based Learning (PBL)-based mathematics instructional design to improve the mathematical communication skills of eighth-grade junior high school students. The study employed a descriptive approach and involved 31 eighth-grade students and a mathematics teacher at SMPN 2 Jakarta. Data were collected through observation, a mathematical communication skills test, a questionnaire, and interviews. The results of the study indicate that students’ mathematical communication skills remain low, particularly in constructing mathematical models, representing ideas in graphs, and explaining solutions in their own words. The average test score of 20.11 indicates that most students have not yet met the expected proficiency indicators. Furthermore, instruction remains teacher-centered, resulting in students being less active in communicating mathematical ideas. The results of the curriculum and conceptual analysis identified “Equations of Straight Lines” as a suitable topic to be developed through PBL-based instructional design. Thus, the results of this needs analysis serve as the basis for designing an instructional approach capable of facilitating the improvement of students’ mathematical communication skills.
Problem Based Learning Assisted by Wordwall in Improving Students Mathematical Reflective Thinking Skills Siti Indah Tsuray'ya; Sri Hastuti Noer; Mella Triana
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 8 No. 2 (2026): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v8i2.2739

Abstract

Mathematical reflective thinking skills is one of the higher-order thinking skills that is important to develop because it helps students understand problems, determine solution strategies, and evaluate their thinking processes. However, this ability is still not optimal because students are not yet accustomed to reflecting on the problem-solving process. This study aims to analyze the effect of the Problem Based Learning (PBL) assisted by Wordwall on students' mathematical reflective thinking skill in statistics material. This study uses a quantitative approach with a quasi-experimental method and a pretest-posttest control group design. The research population consisted of 265 eighth-grade students of SMP Negeri 9 Bandar Lampung, with the sample selected using a cluster random sampling technique. The research data were obtained through a mathematical reflective thinking skill test and analyzed using the Mann–Whitney U test. The results showed that the mathematical reflective thinking skill of students who received learning using the PBL assisted by Wordwall was higher than that of students who received direct instruction learning. Thus, the PBL assisted by Wordwall has an effect on students' mathematical reflective thinking skills and can therefore be used as an alternative approach in mathematics learning.
Development of RCODE Learning Materials to Enhance Students’ Mathematical Creative Thinking Skills Based on Outcome-Based Assessment Adi Candra Kusuma; Doddy Maulana; Almas Adibah; Muchlis Fajar Hidayat
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 8 No. 2 (2026): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v8i2.2765

Abstract

This study aimed to develop RCODE learning materials based on Outcome-Based Assessment (OBA) to improve students’ mathematical creative thinking skills in Fourier series. The study employed a research and development approach based on the Plomp model, comprising the preliminary investigation, design, realization or construction, testing, evaluation, and revision phases. The developed products included a semester learning plan, student assignment plan, teaching module, student worksheets, a mathematical creative thinking skills test, observation sheets, a student response questionnaire, and validation instruments. A limited-scale trial was conducted involving 23 students enrolled in the Applied Bachelor’s Program in Electronics Engineering at the State Polytechnic of Malang. Data were collected through observations, interviews, questionnaires, and tests and were subsequently analyzed in terms of validity, practicality, and effectiveness. The validation results yielded an average score of 3.38 (82.5%), which was categorized as highly valid. The practicality assessment yielded an average score of 3.38 (84.5%), indicating that the learning materials could be implemented effectively and received positive responses from the students. The students’ average score increased from 56.78 on the pretest to 83.58 on the posttest, with an N-Gain score of 0.62, which was classified as moderate. The average achievement score for the indicators of mathematical creative thinking skills was 8.17. Therefore, the OBA-based RCODE learning materials were considered valid, practical, and effective in improving students’ mathematical creative thinking skills

Page 7 of 7 | Total Record : 65

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