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OMEGA: Jurnal Keilmuan Pendidikan Matematika
Published by Universitas Alwashliyah Medan
ISSN : 2964769X     EISSN : 28288645     DOI : https://doi.org/10.47662/jkpm.v1i3.341
Core Subject : Education,
Mathematics
OMEGA: Jurnal Keilmuan Pendidikan Matematika adalah jurnal yang memuat hasil-hasil penelitian dan pembahasan di bidang pendidikan matematika yang meliputi pendidikan dan pengajaran, strategi pembelajaran, kurikulum, media pengajaran, metode pembelajaran, teknik pembelajaran. Jurnal ini diterbitkan oleh Pendidikan Matematika FKIP UNIVA Medan setiap bulan Januari, Mei dan November (3 edisi pertahunya)
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 141 Documents
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Integrating Malay Cultural Practices into Mathematics Learning: Ethnomathematical Approaches Across Indonesia and Malaysia Ramadhani, Ramadhani; Wardani, Hizmi; Prawiyata, Yugi Diraga; Mustapha, Norzieha; Norarida, Norarida; Ihsan, Rafiki; Alfira, Alfira
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1172

Abstract

This study is grounded in the premise that mathematical ideas are inseparable from cultural practices and that ethnomathematics can strengthen the relevance of school mathematics for learners in multicultural contexts. It addresses the persistent gap between students’ everyday cultural experiences and formal mathematics instruction in Indonesia and Malaysia, where mathematics is frequently presented as culturally neutral and decontextualized. The study aims to explore how Malay cultural heritage can be systematically integrated into mathematics learning and to identify culturally situated mathematical concepts that may support students’ conceptual understanding. Employing a qualitative ethnographic design, the researchers collected data through semi- structured interviews with teachers, students, and community members, participatory classroom observations, document analysis of instructional materials, and the examination of cultural artefacts. Data were transcribed and analyzed thematically through iterative reduction, categorization, and interpretive comparison across sites. The findings indicate that Malay architectural artefacts provide rich mathematical representations, particularly geometric forms and measurement-related concepts. Specifically, Maimoon Palace and Istana Jahar exhibit recurring structures such as rectangles, triangles, circles, semicircles, hexagons, octagons, and rhombuses, which align directly with curricular topics including perimeter, area, and volume. Overall, the study concludes that integrating Malay cultural artefacts into mathematics instruction offers a pedagogically robust and culturally responsive approach, with implications for enhancing engagement, supporting conceptual learning, and reinforcing cultural appreciation in the context of globalization
Pengembangan Model Pembelajaran Kooperatif Tipe Teams Games Tournament Terhadap Hasil Belajar Matematika Siswa Kelas V SDN 101739 Sei Mencirim Nazaruddin, Ilham; Mahmud S, Ronald; Sari, Ery Novita; Nasution, Ibnu Hajar; Said S, Umar; Mukti S, Abdul
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 4 No. 3 (2025): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1207

Abstract

This study discusses the results of research using quasi-experiments (Quasy Experiments) for the Effect of the Teams Games Tournament Type Cooperative Learning Model on Mathematics Learning Outcomes of Class V Students of SDN 101739 Sei Mencirim. The learning outcomes of students in the experimental class using the Teams Games Tournament Type Cooperative Learning Model for the posttest obtained an average value of 80 and a completed KKM value of 15 students with a percentage of 88.23%. There is an influence of the Teams Games Tournament Type Cooperative Learning model on Mathematics learning outcomes of class V students of SDN 101739 Sei Mencirim, this is confirmed by the results of the hypothesis test with a sig value of 0.000.
Analysis of Factors Causing Students' Low Creative Thinking Abilities in Learning Mathematics: A Literature Review Yatri, Alya Eka; Mulbar, Usman
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1105

Abstract

This study aims to analyze and identify various previous research findings regarding factors contributing to students' low creative thinking skills. This study used a literature review method with a qualitative descriptive approach. Data were obtained from 13 previous research journals published between 2019 and 2025. The results of the study indicate that there are four main factors that play a role: cognitive, affective or psychological, environmental, and instructional factors. Cognitive factors include a lack of divergent thinking skills, flexibility, and understanding of mathematical concepts. Affective and psychological factors include low intrinsic motivation, self-efficacy, self-confidence, and high levels of math anxiety that hinder students' courage to think openly and try new ideas. Environmental factors include a lack of support from teachers and peers, as well as a learning environment that does not encourage freedom of expression. Instructional factors are related to the application of learning methods that are still conventional and do not challenge students' creative thinking skills. These findings confirm that improving mathematical creative thinking skills requires a holistic approach through strengthening student motivation and self-confidence, creating a supportive learning environment, and implementing innovative learning strategies oriented towards the creative thinking process.
Analysis of Students' Learning Difficulties in Geometry and Measurement Learning at the Elementary School Level. Waruwu, Marsya Grace Lady; Sinaga, Naomi Meiati; Putri, Aisyah; Zai, Riska Inriani; Butar Butar, Arsya Medika; Manullang, Sindi Miranda Br.; Saragih, Doni Irawan
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1130

Abstract

This study aims to analyse the learning difficulties experienced by primary school students in geometry and measurement. This study was conducted through a literature review of various scientific articles published in the last five years that discuss difficulties, strategies, and solutions in geometry learning at the primary school level. The results of the study show that the main difficulties experienced by students include an inability to understand abstract concepts, limited spatial abilities, and difficulties in relating two-dimensional and three-dimensional shapes. In addition, a poor understanding of standard units and the use of measuring instruments are also major contributing factors. External factors such as traditional teaching methods, limited visual media, and minimal use of technology exacerbate these problems. Several solutions identified as effective include the application of the Realistic Mathematics Education (RME) approach, the use of visual media such as Geoboard and Augmented Reality, and gamification and contextual learning strategies. The results of this analysis have important implications for primary school teachers to improve their pedagogical competence and conceptual understanding in geometry and measurement learning, as well as to encourage more interactive, concrete, and meaningful learning innovations for students.
Optimizing Profits for ‘Meledak Food and Drink’ Restaurant Business in Tondano Using the Simplex Method Nisa, Indah Chairun; Hutajulu, Anesty G.; Liu, Marcellina S; Rajagukguk, Mikha; Kilaaku, Nopsi; Karamoy, Harly M; Laode, Suci C
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1138

Abstract

The 'Food and Drink' restaurant is one of the Micro, Small, and Medium Enterprises (MSMEs) that is growing in Tondano. In the restaurant business, price issues and limited raw materials for production also affect sales which can cause profits to be less than optimal. This study was conducted with the aim of formulating a solution to the problem of optimizing profits in Micro, Small, and Medium Enterprises (MSMEs) from the 'Food and Drink' restaurant business. The simplex method is a way to solve linear programming problems where the repetition of mathematical procedures is carried out to test corner points until an optimal solution is found. The data used in this study is the data obtained from the results of interviews with the 'Food and Drink' restaurant business. Based on research through the simplex method linear programming, the results of the optimization calculation are that the 'Food and Drink' restaurant must increase the number of geprek chicken production by 1 portion and lalapan chicken by 12 portions per day. so that a maximum profit of Rp 2,652,000.00 is obtained.
Analysis of the Sales Optimization Model at Neo Café Using the Simplex Method Nisa, Indah Chairun; Kalalo, Carmen Laring Tendean; Kojo, Andhika Albert; Kumendong, Anugerah Julio Hizkia; Pakala, Gerald Sunantepar; Langitan, Riedel Jonathan; Mokodanga, Tessy Angraini
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1139

Abstract

Competition in the culinary business sector requires entrepreneurs to manage their resources optimally in order to increase revenue. Neo Cafe, a business operating in the food and beverage industry, faces challenges in determining the optimal combination of menu sales due to limitations in cooking time, service time, and the availability of supporting materials. This study aims to analyze sales optimization at Neo Cafe using Linear Programming with the Simplex method. A quantitative approach is employed by formulating an objective function to maximize revenue, along with constraints that reflect the operational conditions of Neo Cafe. Data were obtained through observation of the production and sales processes of three main menu items: chicken rice, French fries, and butterscotch coffee. The analysis results indicate that the optimal solution is achieved by producing 100 servings of butterscotch coffee per day, while the other menu items are not produced. This production combination generates a maximum daily revenue of IDR 1,800,000 while satisfying all defined constraints. The findings demonstrate that the application of the Simplex method can provide optimal solutions for production and sales decision-making, thereby contributing to improved operational efficiency and increased business revenue.
Development of a Realistic Mathematics Education (RME)-Based Learning Module on Trigonometry for Grade X Vocational High School (SMK) Students Anjani, Rana
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1141

Abstract

This study aims to develop a learning module based on the Realistic Mathematics Education (RME) approach for Grade X vocational high school (SMK) students, focusing on the topic of Trigonometry. The research employs a Research and Development (R&D) design, adopting the ADDIE model, which consists of five stages: Analysis, Design, Development, Implementation, and Evaluation. The research subjects comprised 72 Grade X students from SMK Negeri 2 Depok, divided into an experimental class and a control class. The research instruments included expert validation sheets, practicality questionnaires administered to both teachers and students, and observation sheets assessing the implementation fidelity of the RME-based learning module. The findings indicate that the developed module achieved a "very valid" level of validity, as evaluated by content experts (average score: 114) and media experts (average score: 82). Furthermore, the module was deemed practical by teachers (average score: 80) and students (average score: 78.28). Its effectiveness in the instructional process was confirmed by a high implementation fidelity rate of 90%. Consequently, the RME-based learning module is validated as valid, practical, and effective for use in Trigonometry instruction for vocational high school students.
Analysis of Students Spatial Thinking Ability Improvement Through Story Maps Learning Using the Wilcoxon Signed Rank Test Putri, Davina Aulia; Putri, Hafiziani Eka
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1146

Abstract

Spatial thinking is an important skill in geography learning, but student learning outcomes often show variations influenced by learning methods and media. This study aims to analyze the improvement of students' spatial thinking skills through the use of StoryMaps media using the non-parametric Wilcoxon Signed Rank Test. The study was conducted with a descriptive quantitative approach through pretest and posttest measurements on 30 students. Data were analyzed using the Shapiro–Wilk test to test for normality and the Wilcoxon test to see differences in abilities before and after learning. The results of the analysis showed a Z value of -4.793 with a significance of 0.000. Since the significance value of 0.000 <0.05, it was concluded that there was a significant increase in students' spatial thinking skills after participating in StoryMaps-based learning. These findings indicate that interactive geospatial media can make a real contribution to improving students' spatial understanding. Thus, the use of StoryMaps can be an effective alternative learning media, while further evaluation needs to consider additional variables to optimize learning outcomes.
Canva Media Development for Interactive Mathematics Learning Bar Chart Pictograms Based PBL Ramaddhina, Damai Dwi; Azizah, Siti Nur; Ramadhani, Ghaisani Shidqi; Nurussama, Alfiana; Rahayu, Teten Ginanjar
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1153

Abstract

The purpose of this study was to examine the validity and practicality of Canva-based media through expert validation sheets and student response questionnaires. This study used 20 fourth-grade students from SDN 1 Nagrikaler as subjects, with questionnaires as the instrument used. The type of research used was R&D (Research and Development) with the ADDIE model (analysis, design, development, implementation, and evaluation). The results of the study showed that the Canva-based media “Pikgram” can be said to be very valid based on the results of the validity sheet for media experts with 97.72% and material experts with 95.16%. In addition, the Canva-based media “Pikgram” was also categorized as very practical based on the results of the student response questionnaire, which showed a score of 84.97%. This study also reinforced that the development of Canva-based digital media using the ADDIE model is feasible and can be used as a reference for the development of similar learning media.
Development of Matific-Assisted Mathematics E-Modules to Increase Elementary School Students' Learning Interest Rahmawati, Putri Melinda; Yustikarinda, Ananda Nadhifah; Shinta, Dita Apriselia Ratna; Sholihah, Ummu; Setyowati, Eni
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 5 No. 1 (2026): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v5i1.1157

Abstract

This study aims to develop a Matific-assisted mathematics e-module to increase elementary school students' learning interest in plane geometry. The method used is research and development (R&D) with the ADDIE model. The resulting e-module product was validated by material experts and media experts to determine the level of validity, then tested through implementation to determine the practicality and effectiveness of the product on fourth-grade students at SDIT Al-Azhar Kediri. The results of the study indicate that the Matific-assisted mathematics e-module is valid, practical, and effective to be used to increase elementary school students' learning interest. The results of the material expert validation show a percentage of 80% in the "valid" category, while the media expert validation shows 86.4% in the "very valid" category. The practicality of the e-module is shown through the results of teacher responses of 86.6% and student responses of 85.7%, both of which are in the "very practical" category. The effectiveness of the e-module was analyzed by comparing the mean value of learning interest before and after using the e-module which showed an increase from 66.94 to 80.95 with a significance value of the Paired Sample T-Test of 0.001 < 0.05 and an N-Gain value of 0.40 in the "quite effective" category.

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