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Jurnal THEOREMS (The Original Research of Mathematics)
Published by Universitas Majalengka
ISSN : 2528102X     EISSN : 25414321     DOI : https://doi.org/10.31949/
Core Subject :
Jurnal THEOREMS (The Original Research of Mathematics) Jurnal THEOREMS (The Original Research of Mathematics) is open to the public, researchers, academics, practitioners and observers of Mathematics Education. This Jurnal is a publication containing the results of research, development from innovative and relevant research and conceptual studies related and/or the development of Mathematics Education. Firstly published in 2016 and has been listed on PDII LIPI on Juni 10, 2016. Jurnal THEOREMS (The Original Research of Mathematics) published by Program Studi Pendidikan Matematika Universitas Majalengka in collaboration with Asosiasi Dosen Pendidikan Matematika FKIP Universitas Majalengka. Three times a year, in January, May, and September. Jurnal THEOREMS (The Original Research of Mathematics) is open to the public, researchers, academics, practitioners and observers of mathematics education. p-ISSN: 2528-102X e-ISSN: 2541-4321 Please read this guideline carefully. Every manuscript sent to the editorial office of Jurnal THEOREMS (The Original Research of Mathematics) ought to follow the writing guidelines. If the manuscript does not meet the author guidelines or written in a different format, the article will BE REJECTED. Only submitted manuscript that meets Jurnal THEOREMS (The Original Research of Mathematics) format will be processed further.
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Articles 78 Documents
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Local learning trajectory with multimodal approach through mathematical transfer: Bibliometric analysis 2015 – 2025 Siti Khoiruli Ummah; Sugiman; Yus Mochamad Cholily; Heri Retnawati; Erik Santoso
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 10 No. 1 (2025): Volume 10 Number 1 July 2025
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v10i1.14737

Abstract

The fundamental challenge in analyzing learning trajectory in geometry learning using mathematical transfer needs to be done. The problem of geometry learning focuses on the condition of students who often have difficulty constructing conceptual understanding and connecting it with various mathematical representations. This study aims to comprehensively analyze research trends on local learning trajectories with a multimodal approach through mathematical transfer in the time span of 2015 to 2025. Research questions are 1) What are the annual publication trends related to local learning trajectories using a multimodal approach through mathematical transfer from 2015 to 2025, based on data from Scopus, 2) Who are the most influential country and journals, and the research trend in this field? The method used is bibliometric analysis with the help of Biblioshiny to map publication trends, identify research gaps, and find keywords and topics that have not been widely explored. The data for this study will be analyzed using bibliometric methods, involving the identification of publication trends, collaboration networks, and thematic clusters of relevant from relevant articles sourced from Scopus databases between 2015 and 2025 using 221 documents. The results of the research novelty search are Publications on local learning trajectories with multimodal approaches and mathematical transfer increased rapidly from 2020 to 2022, according to Scopus data. The United States and the United Kingdom were major contributors, and journals such as the Journal of Mathematical Behavior became important platforms. Overall, this study highlights the growing interest in adaptive learning trajectory models and learning technologies, providing guidance for future educational research and practice
Analysis emotional intelligence as a predictor of students’ mathematical thinking processes: insights from SDN 1 Pesanggrahan Amelia Putri; Desi Firliya; Nukeu Nurjanah; Nurkholis Nurkholis
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 10 No. 1 (2025): Volume 10 Number 1 July 2025
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v10i1.14795

Abstract

This study aims to determine whether emotional intelligence can influence how students think when solving math problems in elementary school. Specifically, this study focuses on three main things, namely: (1) determining the level of students' emotional intelligence, (2) observing the relationship between emotional intelligence and students' mathematical thinking abilities, and (3) determining the role of teachers in helping students manage their emotions when learning mathematics. This study employs a qualitative descriptive approach involving four fifth-grade students from SDN 1 Pesanggrahan, selected based on high, moderate, and low emotional intelligence categories. Data were collected through observation, interviews, and documentation, then analyzed according to themes aligned with mathematical thinking indicators and Goleman's emotional intelligence theory. The results of the study indicate that students with high emotional intelligence tend to think more systematically and are able to reflect on their thinking processes, while students with moderate and low emotional intelligence tend to experience difficulties. This study highlights the importance of mathematics education that also cultivates students' emotional intelligence, as well as the need for teaching strategies that balance emotional and cognitive aspects at the elementary school level.
Improving understanding of the concept of geometric transformation and mathematical self-efficacy through cikadu pandeglang batik motifs Irma Ainni; Jaka Wijaya Kusuma; Vidya Ayuningtyas
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 10 No. 1 (2025): Volume 10 Number 1 July 2025
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v10i1.15363

Abstract

This research is based on the low ability to understand concepts and self-efficacy. This study aims to determine the difference in students' ability to understand concepts and self-efficacy after using ethnomathematics-based learning with conventional learning and to explain the ethnomathematical elements contained in the Cikadu Pandeglang batik motif. This study uses a Quasi Experimental experimental design, namely The Nonequivalent posttest-control group Design. The test data collection technique using a concept understanding posttest of 4 questions of non-self-efficacy data contains 20 statements, and the analysis of test data used by normality tests, homogeneity tests and hypothesis tests, and non-test data is analysed by the Likert scale test. The results of the study showed that there was a difference in understanding of concepts and self-efficacy based on the posttest and questionnaire given. In this study, it can be concluded that there is a difference in students' understanding of concepts and self-efficacy after using ethnomathematics-based learning with conventional learning. Keywords: Concept Of Geometric Transformation, Mathematical Self-Efficacy, Cikadu Pandeglang Batik Motifs
Implementation of ethnomathematics-based learning of mandalikan Banten batik motifs in improving students' ability to understand mathematical concepts and productive disposition Syavina Destriana; Jaka Wijaya Kusuma; Ratu Khoirotun Nisa
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 10 No. 1 (2025): Volume 10 Number 1 July 2025
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v10i1.15364

Abstract

This study aims to determine the effectiveness of the implementation of ethnomathematics-based learning in the context of the Batik Mandalikan Banten motif in improving students' ability to understand mathematical concepts and productive disposition, as well as identifying mathematical elements in Banten culture. The method used is quantitative with a quasi-experimental design in the form of a pretest-posttest control group design. The research subjects consisted of two X classes at SMKS PGRI 3 Serang City, namely X DKV 1 as an experimental class and X DKV 2 as a control class. The instruments used were tests of ability to understand mathematical concepts and productive disposition questionnaires. Data analysis includes N-Gain calculation, normality, homogeneity, two-sample similarity test, and questionnaire percentage analysis. The results of the study showed that ethnomathematics-based learning of the Batik Mandalikan Banten motif was effective in improving students' understanding of mathematical concepts and productive disposition compared to conventional learning. In addition, mathematical elements in the form of rows and arithmetic sequences were found in the motif of Batik Mandalikan Banten, which was used as the context of learning materials. The integration of local culture in mathematics learning has proven to be a meaningful and innovative strategy, as well as encouraging student character in facing the challenges of learning mathematics Keywords: Ethnomathematics-based learning, Batik Motif Controls Banten, Mathematical Comprehension Ability, Productive Disposition.
Desain pembelajaran trigonometri menggunakan model pogil untuk siswa SMA Siti Nuralif
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 8 No. 2 (2024): Volume 8 Number 2 January 2024
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pembelajaran matematika di sekolah ditujukan agar siswa memiliki kemampuan matematis. Kemampuan matematis dilatih melalui penguasaan materi matematika. Berbagai alternatif penggunaan model pembelajaran telah dilakukan sesuai dengan berkembangnya ilmu pengetahuan di bidang pendidikan. Sehingga penelitian ini bertujuan untuk memberikan alternatif pilihan pembelajaran, melalui desain pembelajaran Trigonometri menggunakan model POGIL untuk siswa SMA. POGIL merupakan pembelajaran inkuiri yang berorientasi proses dan berpusat pada siswa dalam suatu pembelajaran aktif yang menggunakan kelompok belajar. Penulisan ini menggunakan desain instruksional Dick and Carey. Pengembangan desain pembelajaran model Dick and Carey merupakan model desain pembelajaran yang mengikuti pendekatan sistematis untuk mengembangkan program pembelajaran yang efektif dan efisien. Desain pembelajaran dilakukan dengan menganalisis kebutuhan dan peserta didik. Tujuan kinerja dan hasil belajar dibahas secara rinci dan disesuaikan dengan tujuan instruksional. Hasil penelitian ini menunjukkan bahwa desain pembelajaran trigonometri dengan menerapkan model POGIL direkomendasikan bagi pendidik. Hal ini terjadi karena pembelajaran didasarkan kelebihan model pembelajaran POGIL di antaranya yaitu dapat membantu peserta didik untuk lebih menemukan sendiri pengetahuannya. Selain itu Model Pembelajaran POGIL juga mampu membantu peserta didik dalam meningkatkan keterampilan proses, bertanya, dan mengomunikasikan pengetahuan, serta dapat menjangkau materi pelajaran dalam cakupan yang luas. Model POGIL juga mudah diterapkan pada semua jenjang pendidikan.
The effect of problem-based learning model assisted by geogebra on students’ mathematical problem-solving ability in SPLDV material of 9th grade at state junior high school 45 Medan Putri Lingga Sari; Suci Frisnoiry
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 11 No. 1 (2026): Volume 11 Number 1 January 2026
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v11i1.16192

Abstract

This study aims to determine whether students’ mathematical problem-solving ability taught using the problem-based learning model assisted by GeoGebra is higher than that of students taught using conventional learning in Grade IX of State Junior High School 45 Medan in the academic year 2025/2026. The research method used was a quasi-experimental method. The sample of this study consisted of two classes, namely class IX-2 as the control class and class IX-3 as the experimental class. Based on the results of the study, it was found that the mathematical problem-solving ability of students in the experimental class showed a significant improvement with an average pretest score of 56.13 and a posttest score of 81.33. The results of the mathematical problem-solving ability test of students in the control class also showed significant improvement with an average pretest score of 57.7 and a posttest score of 73.23. Based on the t-test results, it was obtained that t_hitung > t_tabel was 9.0418 > 2.002, which means that the mathematical problem-solving ability of students taught using the problem-based learning model assisted by GeoGebra is higher than that of students taught using conventional learning
Development of e-lkpd based on problem learning to improving students' mathematical problem-solving ability on statistics material class VIII junior high school Jelika Panjaitan
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 11 No. 1 (2026): Volume 11 Number 1 January 2026
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v11i1.16263

Abstract

This research aims to develop an Electronic Learner Worksheet (E-LKPD) based on Problem-Based Learning (PBL) using Liveworksheet to improve students' mathematical problem-solving abilities. The study employed the ADDIE development model, which consists of five stages: analysis, design, development, implementation, and evaluation. The research subjects were 30 eighth-grade students at UPT SMP Negeri 35 Medan. The results indicated that the E-LKPD was valid, with an average score of 87% from media experts and 95% from material experts. The developed teaching module was also deemed valid, with an average score of 95%. The E-LKPD was considered practical, based on student responses (95%) and teacher responses (93%). Its effectiveness was demonstrated by an increase in learning outcomes from pretest to posttest by 28 points, with an N-Gain score of 0.66 (medium category). Students’ mathematical problem-solving skills also improved, as shown by the increase in the number of students achieving mastery from 13% to 93%, and an increase in the average score from 59 to 87.
Development of a wordwall evaluation tool on statistics material to increase students’ learning motivation Dea Fitriyani; Iik Nurhikmayati
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 11 No. 1 (2026): Volume 11 Number 1 January 2026
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v11i1.16711

Abstract

Education serves as the fundamental foundation in guiding and developing the potential of every individual in order to create a competent and high-quality generation. As an integral process, education plays a crucial role in shaping individuals’ basic abilities, including affective, cognitive, and psychomotor aspects. In an effort to improve learning quality, this study aims to develop Wordwall-based evaluation media on statistical material as an attempt to enhance students’ learning motivation and comprehension. This research employs a Research and Development (R&D) method using the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The research stages include needs analysis, material analysis, student analysis, curriculum analysis, media analysis, and product development, to measure the feasibility and effectiveness of the media. Data were obtained through questionnaires, interviews, and evaluation tests, and analyzed using descriptive quantitative techniques. The results indicate that the validation carried out by media experts shows that this learning media is feasible for use, obtaining a score of 67% for all assessed aspects. In addition, material validation yielded a score of 88%, indicating good quality in terms of content. Based on the practicality questionnaires completed by students and teachers, it was found that this media is not only practical in its application, but also able to significantly improve students’ motivation and understanding of statistical material. The Wordwall-based evaluation media is declared effective in improving learning quality by providing an interactive experience relevant to students’ needs. This study contributes to media innovation in learning, particularly in the utilization of technology to support more engaging and efficient learning. These findings are expected to serve as a foundation for the development of similar media in the future.
Analysis of students’ computational thinking in solving numerical methods problem using microsoft excel Resty Yuliana; Melinda Yanuar; Nur Hidayanti; Huswatun Hasanah
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 11 No. 1 (2026): Volume 11 Number 1 January 2026
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v11i1.16953

Abstract

Computational thinking is an essential skill in the digital age, particularly in Numerical Methods courses that require logical, algorithmic, and technology-based problem solving. However, students often find it difficult to acquire algorithmic thinking and abstraction while using computational tools to apply numerical techniques. This study aims to assess the computational thinking abilities of Universitas Banten Jaya students by examining their algorithmic and abstraction indicators during Numerical Methods exercises in Microsoft Excel. This study, which employed a descriptive quantitative–qualitative methodology, involved 62 students who were enrolled in the Numerical Methods course during the Odd Semester of the 2025–2026 academic year. Data for the midterm exam was collected via students' responses to computational essays that involved the development of algorithms, their application in Microsoft Excel, and the analysis of their results. Qualitative data was evaluated using content analysis, and quantitative data was evaluated using descriptive statistics. The results showed a medium level of computational thinking skill with an average score of 66.29. The achievement scores for the algorithmic and abstraction measures are 67.34% and 67.74%, respectively. These findings suggest that more structured and digitally integrated training is needed to improve students' computational thinking skills.
Systematic literature review: Integrating problem-based learning with teaching at the right level to enhance problem solving skills Daffa Aditya Ardana; Venissa Dian Mawarsari; Dwi Sulistyaningsih
Jurnal THEOREMS (The Original Research of Mathematics) Vol. 11 No. 1 (2026): Volume 11 Number 1 January 2026
Publisher : Program Studi Pendidikan Matematika Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/th.v11i1.16985

Abstract

Mathematical problem-solving ability is a fundamental competence in the Merdeka Curriculum, demanding student adaptability to global challenges. However, empirical reality reveals low student achievement due to the dominance of conventional teaching methods that overlook students' cognitive diversity. This study offers a solution through the integration of the Problem-Based Learning (PBL) model with the Teaching at the Right Level (TaRL) approach to create inclusive and adaptive learning. The objective is to systematically evaluate the distribution profile, integration patterns, and effectiveness of this model on students' mathematical abilities. This study employed a Systematic Literature Review (SLR) method using the PRISMA protocol to ensure methodological rigor. The selection process involved screening 991 initial articles from Google Scholar, ERIC, and Scopus, filtering 50 duplicates and 880 irrelevant entries, resulting in 22 empirical articles published between 2020–2025. The concrete results indicate a significant upward trend in publications, with a dominant integration pattern where TaRL is applied through content differentiation in the orientation phase and process differentiation in the investigation phase. The implementation of this model effectively enhances problem-solving skills and mathematical literacy by keeping learning challenges within the students' Zone of Proximal Development (ZPD). This study contributes to the literature by providing a specific pedagogical framework for integrating PBL and TaRL, bridging the gap in heterogeneous classrooms. Future research is suggested to expand on longitudinal studies and the use of adaptive technology to address classroom management constraints.

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