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INDONESIA
SUPERMAT (JURNAL PENDIDIKAN MATEMATIKA)
Published by Sekolah Tinggi Keguruan dan Ilmu Pendidikan Bima
ISSN : 26853124     EISSN : 25991329     DOI : https://doi.org/10.33627/sm.v3i2
Core Subject : Education,
Mathematics
Jurnal SUPERMAT akan menerbitkan naskah-naskah artikel ilmiah dalam cakupan bidang Pendidikan Matematika. Tulisan dapat berupa diseminasi hasil penelitian, telaah pustaka ilmiah yang komprehensif atau resensi dari buku ilmiah. Tulisan belum pernah dipublikasikan dan tidak sedang dipertimbangkan untuk dipublikasikan di jurnal lain. Secara keseluruhan, naskah harus memuat abstrak, pendahuluan, metode penelitian, hasil dan pembahasan, kesimpulan serta daftar pustaka. Artikel dapat ditulis dalam Bahasa Indonesia atau Bahasa Inggris. Penulisan menggunakan MS Word, format halaman adalah 1 kolom, tipe font yang digunakan untuk bagian konten artikel adalah Times New Roman ukuran 12 pt spasi 1,5. Artikel dicetak pada kertas berukuran A4 (minimal 10 halaman dan maksimum 22 halaman) dengan batas marjin atas, bawah dan kanan 2,5 cm dan marjin kiri 3,0 cm. Artikel dituliskan tepi kanan dan kiri rata (justified), dan jorokan awal paragraf (first line) 1,25 cm. Tiap halaman harus diberi nomor halaman yang diletakkan di tengah. Jika artikel ditulis dalam Bahasa Indonesia dan terdapat kata dalam bahasa asing di dalam naskah, maka kata tersebut dinyatakan dalam tulisan miring.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 107 Documents
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Profil Kesalahan Siswa dalam Menyelesaikan Soal Cerita Matematika SMP Ditinjau Dari Kemampuan Berpikir Kritis Amelia, Restie; Hakim, Lukman El; Sovia, Anny; Salsabila, Ellis; Aziz, Tian Abdul; Hidajat, Flavia Aurelia
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.3959

Abstract

This study was motivated by the low level of critical thinking skills among junior high school students in solving mathematical word probleims, as evident from previous studies and the researcher's initial observations in the field. This study aims to describe the profil of junior high school students' errors in solving mathematical story problems in terms of critical thinking skills. The method used is qualitative descriptive with 32 seventh-grade students as subjects at a public junior high school in South Tambun in the 2024/2025 academic year. The research instrument was an essay test containing five story problems developed based on critical thinking ability indicators, including providing simple explanations, providing further explanations, determining strategies and techniquies, and drawing conclusions. The data were analyzed through the stages of reduction, presentation, and conclusion drawing. The results showed that most students were in the low critical thinking ability category (63%) and the rest were in the moderate category (37%), while no students reached the high category. Students with low critical thinking abilities tended to make mistakes in almost all indicators, while students with moderate abilities were able to meet most of the indicators but were not consistent, especially in determining solution strategieis and drawing conclusions. These findings indicate that the main weakness of students lies in the aspects of strategy planning and drawing conclusions, so mathematics learning that emphasizes the development of critical thinking skills through non- routine story problems and the use of targeted assessment rubrics is needed.
Analysis of Mathematical Reasoning Ability Based on Introverted and Extroverted Personality Types Among Tadris Mathematics Undergraduate Students Sutiawati, Sheila; Deswita, Ria
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.3982

Abstract

Mathematical reasoning ability is an essential aspect of mathematics education, especially for Tadris Mathematics students who are prepared as future educators. One internal factor that may influence this ability is personality type. Introverted and extroverted students differ in the way they process information and make decisions, which may lead to distinct characteristics in their reasoning abilities. This study aims to analyze the mathematical reasoning abilities of students in solving linear programming problems by considering introverted and extroverted personality types at the State Islamic Institute of Kerinci. This research employs a qualitative approach with a descriptive design. The subjects were selected using purposive sampling and consisted of four Tadris Mathematics students whose personality types had been identified through the Myers-Briggs Type Indicator (MBTI) test. The research instruments included a personality questionnaire, a mathematical reasoning test, and interview guidelines. Data analysis was carried out through data reduction, data display, and conclusion drawing. The findings reveal that introverted students tend to demonstrate more thorough, in-depth, and systematic reasoning when solving problems. They are more careful in choosing methods and drawing conclusions. In contrast, extroverted students tend to reason more quickly and directly. They focus more on the final result, present their answers concisely, and are more flexible in selecting problem-solving strategies, although they sometimes pay less attention to process details.
Pengembangan Media Pembelajaran Berbasis Articulate Storyline dengan Pendekatan Etnomatematika untuk Meningkatkan Kemampuan Pemecahan Masalah Matematis Siswa SMP Kurniasari, Reny; Kumala, Fitria Zana
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.4045

Abstract

Students' mathematical problem-solving abilities are classified as very low, in part due to the lack of use of media variations linked to contextual materials. Based on these conditions, this study focused on developing digital learning media in Articulate Storyline using an ethnomathematics approach to ensure validity and effectiveness in improving eighth-grade students' mathematical problem-solving abilities in the topic of relations and functions. The research and development method applied is the ADDIE model, which includes the stages of Analysis, Design, Development, Implementation, and Evaluation. The sample of this study consisted of eighth-grade students at MTs Satu Atap Biroyatul Huda Cilongok, with the instruments used including interview guidelines, validation questionnaires, interestingness questionnaires, and tests. Media experts assessed this media as very valid based on validation results, with an average of 83.33% for the ethnomathematics material and context experts 83,5% and 95% for the mathematics teachers. The results of small-group trials showed that the percentage of interestingness reached 96.67%, and field trials reached 89.06% with a very interesting classification. The effectiveness test using N-Gain showed that the experimental class had an average N-Gain of 0.755 (high), while the control class had an average N-Gain of 0.3979 (moderate). The N-Gain effectiveness interpretation shows that the experimental class is classified as effective at 75.5%, while the control class is classified as ineffective at 39.79%. Therefore, digital learnin media based on Articulate Storyline, with an ethnomathematics approach, have validity and effectiveness in improving students' mathematical problem-solving abilities.
Development of Wordwall-Based Educational Mathematics Game Learning Media for Statistics Material Yanti, Fitri; Andinasari, Andinasari; Sistyawati, Risda Intan
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.3543

Abstract

Mathematics learning, particularly in statistics topics, still faces the problem of low student learning motivation, which is influenced by the use of less varied instructional strategies. This study aims to develop a Wordwall-based educational mathematics game as a learning medium for statistics that is valid, practical, and allows observation of its impact on students’ learning motivation. This research employed a Research and Development (R&D) approach using the ADDIE model, which consists of the stages of Analysis, Design, Development, Implementation, and Evaluation. The research subjects were tenth-grade students of SMA Sjakhyakirti, with a field trial conducted in class X.3 involving 37 students. Data collection methods included questionnaires and interviews. The data were analyzed using descriptive quantitative techniques. The results showed that the developed media had a very high level of validity, with percentages of 90.66% from media experts and 93.75% from subject matter experts. Student responses indicated a practicality level of 97.11%, categorized as very practical. In addition, the percentage of students’ learning motivation reached 97.08%, categorized as very high. Therefore, the Wordwall-based educational mathematics game media is feasible to be used as an alternative learning medium to enhance students’ learning motivation in statistics at the senior high school.
Penerapan Model Problem Based Learning Berbantuan e-Module Fungsi untuk Meningkatkan Kemampuan Pemecahan Masalah Zannah, Maydatul; Faisal, Faisal; Anggreni, Fenny
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.3974

Abstract

The low level of students’ mathematical problem-solving abilities and the frequent use of conventional approaches in the learning process are the main reasons for conducting this study. This study aims to examine the implementation of a problem-based learning model supported by an e-module to improve mathematical problem-solving abilities on the topic of functions. This study applies a quantitative approach designed in a pre-experimental design with one pretest/posttest group. The research respondents were 25 grade VIII students at one of the public schools in Langsa District in the 2024/2025 academic year who were selected purposively. The instrument used in the data collection process was an essay test derived from the Polya problem-solving framework, which had previously been assessed for validity and reliability. This study analyzed the results of descriptive test data showing that the average pretest score of 62.52 increased to 74.04 in the posttest, so there was an increase of 11.52 points after the implementation of PBL learning assisted by e-modules. The pretest and posttest data had a significance value of 0.000 > 0.05 according to the Kolmogorov–Smirnov normality test, indicating that both were normally distributed and met the requirements for the paired sample t-test. Thus, the application of learning with the Problem Based Learning (PBL) model assisted by e-modules has been proven to improve students' mathematical problem-solving abilities in the main material of functions.
Analisis Pemanfaatan Media Pembelajaran Digital terhadap Minat dan Hasil Belajar Matematika Siswa Hasanah, Ahda Zahrotun; Sari, Raras Kartika
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.4021

Abstract

The low level of students’ interest and achievement in mathematics due to the limited use of digital learning media motivated this study. This research aimed to analyze the utilization of digital learning media on students’ interest and learning outcomes in mathematics for class XI.3 at SMA Negeri 8 Bandar Lampung. This study employed a quantitative descriptive method supported by qualitative data, involving 25 students of class XI.3 as the research subjects. The research instruments consisted of tests (pretest and posttest), a learning interest questionnaire administered before and after the treatment, and interview sheets to strengthen the data findings. The results showed an increase in the average score of students’ learning outcomes from 57.96 in the pretest to 90.40 in the posttest. In addition, students’ learning interest also increased. Overall, the findings indicate a significant improvement in students’ interest and mathematics learning outcomes after the implementation of digital learning media. Students became more active, motivated, and found it easier to understand mathematical concepts through interactive displays and engaging visual features. The use of digital learning media has a positive impact on improving students’ interest and mathematics learning outcomes.
Analisis Kesalahan Siswa SMP dalam Menyelesaikan Soal Bangun Ruang Sisi Datar Berdasarkan Kemampuan Berpikir Kritis Simbolon, Stevania Sri Debbye Br; Siagian, Jesiska Anjelin; Andini, Cut Rania
Supermat : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Supermat : Jurnal Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/sm.v9i2.4103

Abstract

Mathematical critical thinking ability is an essential competence in 21st-century learning, as it enables students to understand, analyze, and solve problems logically and systematically. However, students’ mathematical critical thinking ability in the topic of solid figures with flat surfaces remains relatively low. Therefore, this study aims to describe the profile of students’ mathematical critical thinking ability and to analyze students’ errors in solving problems related to solid figures with flat surfaces based on critical thinking indicators. This study employed a descriptive qualitative approach involving 25 ninth-grade students at UPT SMP Negeri 10 Medan. The research instruments consisted of an essay test designed according to four indicators of mathematical critical thinking interpretation, analysis, evaluation, and inference and an interview guideline to explore the causes of students’ errors. Data analysis was conducted through data reduction, data presentation, and conclusion drawing. The results indicate that students’ mathematical critical thinking ability predominantly falls into the low category, with 22 students classified as low, 3 students as moderate, and no students reaching the high category. The percentage of achievement for each indicator shows that interpretation reached 85.93%, analysis 81.64%, evaluation 75.39%, while inference was the lowest indicator at 18.75%. Interview findings reveal that students’ errors are mainly related to inaccuracies in identifying given and required information, failure to write appropriate formulas, incorrect problem-solving strategies, and the absence of final conclusions. These findings suggest that students’ mathematical critical thinking processes have not been carried out systematically from problem comprehension to conclusion drawing. Therefore, instructional strategies emphasizing structured and step-by-step critical thinking processes are recommended to enhance students’ mathematical critical thinking abilities.

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