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JURNAL MathEdu (Mathematic Education Journal)
Published by Institut Pendidikan Tapanuli Selatan
ISSN : 26219832     EISSN : 26219832     DOI : https://doi.org/10.37081/mathedu.v4i1.2282
Core Subject : Education,
Education Mathematics
Ruang lingkup artikel ilmiah yang dapat diterbitkan dalam jurnal ini adalah sebagai berikut: Model Pembelajaran Matematika, Media dan Multimedia Pembelajaran Matematika, Kurikulum dalam Pendidikan Matematika, Penilaian (Assesment) dan Evaluasi dalam Pendidikan Matematika, Pengembangan Profesional Guru Matematika, Etnomatematika dalam Pendidikan dan pengajaran Matematika Desain Didaktis dalam Pendidikan dan pengajaran Matematika Lesson Study dalam Pembelajaran Matematika Matematika Terapan Penelitian Tindakan Kelas Fenomena Pendidikan
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 469 Documents
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EFEKTIVITAS MODEL PEMBELAJARAN KONTEKSTUAL TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA DI SMK NEGERI 1 ANGKOLA TIMUR Harahap, Desmiati; Harahap, Muhammad Syahril; Ardiana, Nunik
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.7328

Abstract

Students pay less attention to the teacher during the learning process because students find it difficult to understand the learning material, especially in mathematics. The purpose of this study was to determine the effectiveness of the contextual learning model on students' mathematical problem-solving abilities on the material of two-variable linear equation systems in Class X of SMK Negeri 1 Angkola Timur. The type of research used by the researcher is quantitative research. In this study, the researcher used the True-Experienced Design design with the One Group Pretest and Posttest Design type. The population was all students of Class X at SMK Negeri 1 Angkola Timur consisting of 6 classes totaling 92 students. Based on the data analysis, the researcher drew conclusions based on the results of data collection, there was an effectiveness of the contextual learning model on the material of two-variable linear equation systems on students' mathematical problem-solving abilities. This is evidenced by the results of the paired sample test that has been conducted in the experimental class. It can be concluded that H0 in the experimental class is rejected and Ha is accepted because the sig value (2-tailed) in the experimental class is 0.00 less than 0.05. Furthermore, based on inferential statistics using the pair sample t-test, (SPSS version 27), the results show a significance value of less than 0.05 (0.000 < 0.05). This means that the constructivism learning model is effectively used for the mathematical problem solving abilities of class X students of SMK Negeri 1 Angkola Timur.
PENGEMBANGAN MEDIA PEMBELAJARAN MENGGUNAKAN GAME EDUCAPLAY MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA KELAS VII SMP NEGERI 3 PADANGSIDIMPUAN Fadilla, Ummi; Siregar, Eva Yanti; Harahap, Sinar Depi
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.7350

Abstract

This study aims to develop a learning medium using the Educaplay game to enhance the mathematical problem-solving skills of seventh-grade students at SMP Negeri 3 Padangsidimpuan. The study employs the ADDIE development model, which consists of five phases: analysis, design, development, implementation, and evaluation. The instruments used include validation sheets, practicality questionnaires, and problem-solving ability tests. The research subjects consisted of 23 students. Validity was determined based on assessments by three expert validators, each with expertise in the research variables. Practicality was assessed through student responses to the developed product via a questionnaire. Effectiveness was evaluated using student test scores.The analysis results show that the learning media using the Educaplay game for the topic of ratios achieved a validity percentage of 83.0%, categorized as very valid. The practicality reached 92.9%, categorized as very practical. The effectiveness was 100%, with more than 85% of students achieving mastery, indicating effective criteria. In conclusion, the development of the Educaplay learning media can enhance the mathematical problem-solving skills of seventh-grade students at SMP Negeri 3 Padangsidimpuan.
PENGEMBANGAN E-MODUL DENGAN PENDEKATAN STEM BERBASIS VIDEO ANIMASI UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS MATEMATIKA SISWA KELAS VIII-3 SMP NEGERI 1 PADANGSIDIMPUAN Harahap, Halimatussakdiyah; Lubis, Roslian; Ahmad, Marzuki
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.7355

Abstract

This research aims to develop a video animation-based E-module with a STEM approach, which is expected to enhance students' critical thinking skills in mathematics learning, particularly in the material of linear equations in one variable. Critical thinking skills are essential for 21st-century students as they can improve analytical, evaluative, and problem-solving abilities. The research method used is Research and Development (R&D) with the 4D model, which includes the stages of Define, Design, Develop, and Disseminate. The subjects of the study are 34 students from class VIII-3 at SMP Negeri 1 Padangsidimpuan. The data collection instruments consist of validation sheets from material experts, media experts, and language experts, student response questionnaires, and tests of mathematical critical thinking skills before and after the use of the E-module. The results show that the developed E-module received a validity score of 95.66% (very valid), practicality of 87.12% (very practical), and effectiveness of 93.84% (very effective). Based on these results, the video animation-based E-module with a STEM approach is deemed suitable as an innovative, interactive, and contextual alternative learning media to enhance students' critical thinking skills.
ETNOMATEMATIKA TENUN TRADISIONAL BUNA TIMOR TENGAH UTARA DAN IMPLIKASI PEDAGOGIS Nahak, Selestina; Ulu, Ivonia; Kehi, Yohanes Jefrianus
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.7804

Abstract

Abstract This study aims to reveal the mathematical concepts embedded in the weaving activities of Buna woven-cloth artisans in Letmafo Village, Central Insana District, North Central Timor Regency. This research employed a qualitative ethnographic approach. Data were collected through observation, interviews, and documentation with three main informants: a traditional leader and two experienced weavers. Data analysis used domain, taxonomy, componential, and cultural-theme stages. The findings show that weaving activities contain mathematical elements such as counting (the number of threads and repeated patterns), measuring (length and width of the cloth using non-standard units such as hand-span), and designing (forming geometric patterns such as squares, triangles, rhombuses, and lines of symmetry). Ethnomathematics in the Buna motif reflects an integration between local culture and mathematical concepts of geometry and number patterns that can be used as contextual learning resources. Keyword: Ethnomathematics, Buna woven cloth, Letmafo culture, mathematics learning
IMPLEMENTASI KURIKULUM MERDEKA PADA PEMBELAJARAN MATEMATIKA DI UPTD SMP NEGERI 8 GUNUNGSITOLI Lase, Sari Santi Siapudan; Telaumbanua, Yakin Niat; Mendrofa, Ratna Natalia; Mendrofa, Netti Kariani
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.7847

Abstract

This research is based on a preliminary study conducted through initial observations at UPTD SMP Negeri 8 Gunungsitoli, which reavealed that teachers are still in the adjustment stage to the independent curriculum, leading to suboptimal implementation. Low student motivation, inadequate mathematics learning facilities and infrastructure, and limited resources encouranged the researcher to investigate the extent of the independent curriculum implementation, learning, and assessment at the school. This study employs a qualitative research method with data colleted through observation, interviews, and documentation. The instruments used included interviews with teacher, student, and several school administration. Data analysis consisted of data reduction, data presentation, and conclusion drawing using qualitative deskriptive analysis techniques. The findings of this research indicate that teachers have prepared learning plans based on the independent curriculum. although the implementation has not been fully optimal. Teachers have integrated the main components of the independent curriculum into the learning process, but some still encounter abstracles due to a lack of facilities and resources. Overall , the independent curriculum has been implemented and has shown positive results in learning, thought improvements are still needed to achieve maximum outcomes.
How Creative Thinking Manifests in Students’ Mathematical Communication in Solving 2D Geometry Problems: A Commognitive Perspective Usman, Muhammad Rizal; Tahir, Sitti Rahmah; Hidayatulloh, Dwi Aldi
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.8030

Abstract

Mathematical communication skills and creative thinking are two essential aspects of mathematics learning; however, studies examining how creative thinking is manifested within mathematical communication remain limited. This study aims to describe how creative thinking is manifested in students’ mathematical communication when solving two-dimensional geometry problems from a commognitive perspective. This research employed a qualitative approach with a single-case study design. The research subject was one student who demonstrated a variety of strategies in solving contextual 2D geometry problems. Data were collected through written tasks and semi-structured interviews, and were analyzed based on the components of commognitive discourse, namely the use of mathematical terms, visual representations, argumentative narratives, and solution patterns. The findings indicate that creative thinking is manifested through variations in representation, flexibility of strategies, originality in constructing arguments, and elaboration of mathematical explanations. These findings suggest that creativity can be identified through the structure of students’ mathematical communication and contribute theoretically to the integration of creativity within mathematical discourse analysis.
PERAN ETNOMATEMATIKA DALAM PEMBELAJARAN MATEMATIKA Siregar, Rajiun; Suparni, Suparni
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.8088

Abstract

Abstract This study aims to determine the effectiveness of ethnomathematics-based learning in mathematics learning. This research is a library research with a qualitative approach. The method of collecting data is by means of document studies and analyzed by technical descriptive analysis. Library research is research whose data comes from books, dictionaries, documents, magazines, journals and so on. (Harahap, 2014) While the analytical technique used is descriptive analysis technique by looking at research data that has been done by previous people related to ethnomathematical research. This is evidenced by research studies that have been carried out by researchers who have done previously which will be mentioned in the discussion of this research. Therefore, ethnomathematics can be used by teachers in conducting effective and fun learning, besides that ethnomathematics can improve students' mathematical abilities such as the results of research that will be discussed in this discussion and can increase the love of students to understand their own culture.
KAJIAN ETNOMATEMATIKA PADA CANDI BAHAL DI KABUPATEN PADANG LAWAS UTARA Muliadi, Hendri; Suparni, Suparni
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.8090

Abstract

Bahal Temple is a Vajrayana Buddhist temple complex located in Bahal Village, Padang Bolak District, North Padang Lawas Regency, North Sumatra Province. This temple complex consists of three main buildings, namely Biaro Bahal I, Biaro Bahal II, and Biaro Bahal III, which are arranged in a straight line and constructed using red bricks. In addition to its high historical and cultural value, Bahal Temple also contains various mathematical concepts that can be studied through an ethnomathematical approach. This study aims to identify and describe the mathematical concepts embedded in the structure and ornaments of Bahal Temple and to analyze its potential as a source of contextual mathematics learning at the junior and senior high school levels. The research method used is a qualitative study with a descriptive-ethnographic approach through observation, documentation, and literature review. The results show that Bahal Temple contains concepts of solid geometry, symmetry, repeating patterns, as well as ratio and proportion. These findings indicate that Bahal Temple has great potential as a meaningful and contextual source of ethnomathematics learning
ETNOMATEMATIKA PADA PERMAINAN TRADISIONAL EKLEK SEBAGAI MEDIA PEMBELAJARAN GEOMETRI DI SEKOLAH DASAR Tanjung, Renni Juwita; Suparni, Suparni
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 1 (2026): JURNAL MathEdu (Mathematic Education Journal) Maret 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i1.8092

Abstract

Ethnomathematics is an approach that connects mathematics with the culture of society. Traditional games, as part of local culture, contain various mathematical activities that can be utilized in learning. This study aims to examine the ethnomathematical elements in the traditional game eklek and to analyze its potential as a learning medium for geometry in elementary schools. The research method used is a descriptive qualitative approach with an ethnographic perspective through observation, documentation, and analysis of the structure of the playing field. The results show that the eklek game contains plane figure concepts such as squares, rectangles, trapezoids, and semicircles, as well as concepts of measurement, number patterns, symmetry, and spatial reasoning. The use of the eklek game in mathematics learning can increase student engagement, conceptual understanding, and positive attitudes toward mathematics

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