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MES: Journal of Mathematics Education and Science
Published by Universitas Islam Sumatera Utara
ISSN : 25284363     EISSN : 25796550     DOI : https://dx.doi.org/10.30743/mes.v4i2.1292
Core Subject : Education,
Mathematics
MES (Journal of Mathematics Education and Science) diterbitkan secara berkala pada bulan April dan Oktober oleh Program Studi Pendidikan Matematika FKIP Universitas Islam Sumatera Utara. Jurnal ini membahas tentang kajian dibidang pendidikan matematika, pembelajaran matematika berbasis ICT dan matematika terapan.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 353 Documents
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PENGEMBANGAN KURIKULUM MATEMATIKA BERBASIS TEORI BELAJAR UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA SMK NEGERI 2 PADANGSIDIMPUAN Palwina Machrani; Fadilla Sri Utami Siregar; Mariam Nasution
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13440

Abstract

This study aims to develop a mathematics curriculum based on learning theories to improve students' critical thinking skills at SMK Negeri 2 Padangsidimpuan. The method used was Research and Development consisting of needs analysis, design, development, implementation, and evaluation stages. The subjects were tenth-grade students. The instruments included a critical thinking test, observation sheets, and student response questionnaires. The results showed that the developed curriculum met the criteria of validity, practicality, and effectiveness. This was indicated by an increase in the average critical thinking score from 58.8 to 78.9. In addition, the implementation of learning was categorized as very good (86.7%), and student responses were positive (84%). Therefore, the developed curriculum is effective in improving students' critical thinking skills and the quality of mathematics learning.
PENGEMBANGAN MEDIA PEMBELAJARAN BERBASIS GEOGEBRA UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH SISWA SMP NEGERI 2 PEMATANG SIANTAR Rianita Simamora; Yoel Octobe Purba
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13677

Abstract

This study aims to describe the level of validity of the learning media, to describe the level of teacher mastery and student engagement, and to describe the responses of teachers and students to the development of learning media using Geogebra on the topic of the Cartesian plane at SMP Negeri 2 Pematang Siantar, with a sample size of 30 students. The type of research used is research and development based on the ADDIE model, which consists of Analysis, Design, Development, Implementation and Evaluation. Based on the results of the research conducted, it can be stated that the study has successfully developed a digital media product; the data found indicates that the resulting media meets the criteria for validity, reliability, effectiveness and efficiency.
REKONSTRUKSI FILSAFAT MATEMATIKA DALAM PEMBELAJARAN BERBASIS TEKNOLOGI UNTUK MATERI PENDIDIKAN KONTEMPORER Anggi Anatasia Kinanti; Mislah Nasution; Sartika Manurung
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13088

Abstract

The development of digital technology and the demands of 21st-century competencies require mathematics learning to move beyond procedural approaches. This article aims to compile a conceptual and empirical synthesis of the integration of mathematical philosophy and information technology-based learning, as well as to test its influence through comparative simulation analysis. The study was conducted through a systematic literature review of research related to the philosophy of mathematics, humanistic and constructivist approaches, and IT-based learning models. To strengthen the empirical argument, a paired t-test simulation was conducted based on the average score increase reported in various experimental studies. The findings indicate that the integration of philosophical and technological approaches is not only statistically significant but also substantively pedagogical. Theoretically, these results confirm that an epistemological paradigm shift—from knowledge transmission to active construction—is a key factor in improving learning outcomes. Thus, the effectiveness of technology-based learning is highly dependent on its underlying philosophical foundation.
PENGEMBANGAN BAHAN AJAR EVALUASI PEMBELAJARAN SD UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS MAHASISWA Theresia Monika Siahaan; Melvin V.M. Simanjuntak
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13695

Abstract

This study aims to develop teaching materials for the ‘Primary School Learning Evaluation’ course that can enhance the critical thinking skills of student teachers. The research method employed was Research and Development (R&D) using the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). The research subjects were students on the primary school teacher education programme at HKBP Nommensen University, Pematangsiantar. The research instruments included an expert validation questionnaire, a critical thinking skills test, and a student response questionnaire. The research results indicate that the developed teaching materials meet validity criteria with an average score from validators of 88% (very good category), are practical with high readability and a positive student response rate of 91%, and are effective as demonstrated by an increase in students’ critical thinking skills scores with an average gain score of 0.65 (moderate to high category). Thus, the teaching materials for Primary School Learning Evaluation developed have been proven to be suitable for use and contribute to improving the critical thinking skills of student teachers.
PENGARUH PENGGUNAAN MODEL PEMBELAJARAN CONCEPTUAL UNDERSTANDING PROCEDURES BERBANTUAN GEOGEBRA TERHADAP KEMAMPUAN REPRESENTASI MATEMATIS Aisyah Dwia Ningsih; Syahriani Sirait
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13497

Abstract

This study aims to determine the effect the Concepual Understanding Procedures learning model on student’s mathematical representation abilities. This research was conducted at MTs S Nurul Iman Simpang Empat in the 2025/2026 academy year. The type of research used was a quasi experimental design with a two group pretest-posttest design. The population of this study consisted of all eighth grade student’s. The samples were class VIII-B as the experimental class, which was taught using the Concepual Understanding Procedures learning model and class VIII-C as the control class, which was taught using a direct instruction model. After the learning process was completed, the posttest resultes showed that the average score of the experimental class 82.4, while the control class was 76.6. The results of the t-test showed that it can be concluded that there is a significant effect of the Concepual Understanding Procedures learning model on student’s mathematical representation abilities.
IMPLEMENTASI MATEMATIKA DALAM PENGEMBANGAN TEKNOLOGI ARTIFICIAL INTELLIGENCE Siti Fatimah Sihotang; Metrilitna br Sembiring; Ratna Wahyuni
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13678

Abstract

This research aims to identify and map available evidence regarding the role of mathematics (such as linear algebra, discrete mathematics, computational modeling) in supporting the development of Artificial Intelligence. Mathematics is a key foundation for the development and understanding of computer science, and is a universal language used for analyzing, designing, and optimizing various aspects. Discrete mathematics, on the other hand, plays a crucial role in the foundation of artificial intelligence, particularly in the field of Artificial Intelligence. Its principles underlie many algorithms and processes that Artificial Intelligence systems rely on. Furthermore, many other mathematical concepts and principles are also used in computer science, such as propositional logic, Boolean algebra, graph theory, number theory, statistics, and algorithm analysis. Thus, computer science and mathematics are clearly closely related and complement each other. Research findings, including identifying and mapping available evidence, demonstrate that mathematics is not merely a tool, but rather the backbone of all modern Artificial Intelligence technology developments currently in use.
PEMBELAJARAN STATISTIKA INFERENSI BERBASIS CASE METHOD DAN TEAM-BASED PROJECT TERINTEGRASI NILAI PANTANG LARANG SUKU MELAYU UNTUK MENGUKUR KEMAMPUAN BERPIKIR KRITIS MAHASISWA Prihatin Ningsih Sagala; Eri Widyawati; Puteri Atikah
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.12225

Abstract

This study aims to analyze the validity of a case-method and team-based project-based assessment instrument for Inferential Statistics, integrating Malay values of "Pantai Larang" (Prohibition of the Malay Tribe) in measuring students' critical thinking skills. The study was conducted in the Mathematics Education Study Program, Faculty of Mathematics and Natural Sciences, Medan State University, during the even semester of the 2024/2025 academic year, using a research and development (R&D) approach. The validation process was conducted by four expert validators who assessed aspects of content, construction, language, and cultural contextual appropriateness. Data were analyzed descriptively by calculating a validity percentage. The validation results showed an average validity level of 73.25%, categorized as valid. This instrument was deemed appropriate for measuring students' critical thinking skills contextually, by combining active learning methods with local cultural values. These findings demonstrate that the integration of Malay cultural values in educational assessment can enhance the relevance, character, and meaning of learning. Therefore, the developed instrument is suitable for measuring students' critical thinking skills in Inferential Statistics learning based on character and local culture.
ANALISIS POLA PIKIR SISWA SMP DHARMA PANCASILA DALAM MENGHADAPI PERMASALAHAN Suci Anggira; Syahlan Syahlan; Rosliana Siregar; Irvan Malay
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13962

Abstract

This study aims to analyse the mindset of pupils at Dharma Pancasila Junior High School in dealing with various academic and non-academic problems. The study employed a qualitative descriptive approach, involving pupils in Years 7, 8 and 9 as research subjects. Data collection techniques included observation, in-depth interviews, questionnaires and documentation. Data analysis utilised the Miles, Huberman and Saldaña model, which comprises data reduction, data presentation and drawing conclusions. The results of the study indicate that the majority of pupils exhibited characteristics of a growth mindset, such as a willingness to learn from mistakes, striving to find solutions, and accepting criticism as feedback for personal development. However, a number of pupils were still found to exhibit a fixed mindset, characterised by a tendency to give up easily when faced with difficulties, viewing ability as fixed, and avoiding challenges for fear of failure. Factors influencing pupils’ mindsets included the family environment, school culture, teacher support, peers, and previous learning experiences. This study recommends the implementation of teaching methods that foster a growth mindset through constructive feedback, reflective learning, and character building.
PEMBELAJARAN KONTEKSTUAL BERBASIS AUGMENTED REALITY UNTUK MENGEMBANGKAN VISUALISASI DAN PENALARAN GEOMETRI SISWA SMP Aldo Arrohim; Syahriani Sirait
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.13626

Abstract

The purpose of this study was to determine whether there is an effect of implementing Contextual Teaching and Learning (CTL) based on Augmented Reality in developing students’ spatial visualization abilities and geometric reasoning on solid geometry material for eighth-grade students at SMPN 1 Bandar Pulau. This research used a quasi-experimental method with a Two Group Pre-Test and Post-Test research design. The population of this study consisted of all eighth-grade classes, totaling four classes. The research sample consisted of two classes selected through purposive sampling determined by the school. The control class used the CTL learning model, while the experimental class used Augmented Reality-based contextual learning. After the learning process was completed, the post-test results showed that the average score of the experimental class was 71.696 and the control class was 67.048. The results of the t-test obtained t_count = 1.708 > t_table = 1.669, therefore Hₐ was accepted. In addition, this study also used questionnaires to measure students’ perceptions of Augmented Reality-based contextual learning. The questionnaire results indicated that the majority of students gave positive responses toward the use of AR in learning. A total of 42.9% of students strongly agreed and 43.4% agreed that contextual learning with AR made the learning process more interesting, enjoyable, and helpful in understanding solid geometry concepts. Thus, it can be concluded that there is an effect on students’ learning outcomes through the use of Augmented Reality-based contextual learning in developing students’ 3D visualization abilities and geometric reasoning.
ANALISIS KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA PADA MATERI OPERASI BILANGAN BULAT DI KELAS VII SMP NEGERI 1 SUWAWA Elan Husaini; Majid Majid; Dewi Rahmawaty Isa
MES: Journal of Mathematics Education and Science Vol 11, No 2 (2026): Edisi April
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v11i2.12855

Abstract

Mathematics is a fundamental science that plays an important role in developing students' logical, critical, and analytical thinking skills. One of the main competencies in mathematics learning is conceptual understanding, but international evaluation results and field findings show that this ability is still relatively low, especially in the subject of integer operations. This study aims to analyse students' mathematical concept comprehension skills in integer operations in Grade VII at SMP Negeri 1 Suwawa. The study used a quantitative descriptive method conducted at SMP Negeri 1 Suwawa, Bone Bolango Regency, Gorontalo, with 21 students selected through purposive sampling. The research instruments consisted of an eight-question essay test that had been validated and reliability checked, as well as semi-structured interviews. The data were analysed using descriptive analysis techniques through the calculation of mean scores, standard deviations, and percentages, then grouped into high, medium, and low categories based on four concept understanding indicators. The results showed that 67% of students were in the medium category, 19% in the high category, and 14% in the low category. The indicator of recalling concepts was the most mastered by students, while the indicators of selecting procedures and applying concepts in problem solving were the most challenging. These findings indicate that most new students have mastered procedural understanding but have not yet achieved deep conceptual understanding. Therefore, learning strategies that emphasise meaningful activities and the use of various representations are needed to improve students' understanding of mathematical concepts.

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