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All Journal Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Bilangan: Jurnal Ilmiah Matematika, Kebumian dan Angkasa
Amanda Prasasti
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Astronomy Mathematics

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Penerapan LKPD Operasi Penjumlahan dan Pengurangan Bilangan Bulat Berbasis Problem Solving Amanda Prasasti; Depriyanti Depriyanti; Eka Yulianti; Syutaridho Syutaridho
Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa Vol. 3 No. 3 (2025): Juni: Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa
Publisher : Asosiasi Riset Ilmu Matematika dan Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/bilangan.v3i3.522

Abstract

This study aims to describe students' mathematical understanding abilities through the application of a problem solving approach using magic coin media on integer operation material. This study is a qualitative study with a descriptive approach conducted at MTs An-Nuur Palembang in May of the 2025/2026 academic year. The subjects of the study were 25 grade VII students who were selected purposively. Data collection was carried out through observation, documentation, and learning outcome tests. The results of the study showed that the use of magic coin media in mathematics learning was able to improve students' conceptual understanding. This media helps students to be more active, understand integer operations concretely, and be involved in the problem-solving process independently or in groups. These findings indicate that the problem solving approach combined with magic coin media can create a fun learning atmosphere, and is effective in improving students' mathematical understanding abilities.
Pemahaman Konsep Pembuktian sebagai Dasar Pengembangan Penalaran Matematis Siswa SMP Amanda Prasasti; Depriyanti Depriyanti; Eka Yulianti; Siti Salwa Haquita; Monica Putri Pratiwi; Muhammad Win Afgani
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 4 No. 3 (2025): Desember : JURRIMIPA: Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v4i3.7141

Abstract

Mathematics learning plays an essential role in developing students’ logical, systematic, and analytical thinking skills. One of the higher-order thinking abilities that serves as a main focus in mathematics education is mathematical reasoning. This ability is closely related to the process of mathematical proof, which functions to justify the truth of a statement logically. This study aims to examine the relationship between the understanding of proof concepts and the development of mathematical reasoning among junior high school students through a library research approach. Data were obtained from various sources such as textbooks, journal articles, research findings, and relevant educational documents. The analysis was conducted using the content analysis method to review both conceptual and empirical findings from the literature. The results indicate that understanding the concept of proof not only helps students comprehend the logical structure of mathematics but also contributes to the development of deductive and reflective reasoning skills. Engaging in proof activities enables students to shift from merely imitative reasoning toward independent logical construction (creative reasoning). However, teaching proof at the junior high school level still faces several challenges, such as students’ limited understanding of basic logic, time constraints, and the lack of teacher training in teaching proof effectively. Therefore, learning strategies that emphasize students’ thought processes, provide opportunities for exploration, and integrate proof activities into meaningful learning contexts are needed.
Co-Authors Depriyanti Depriyanti Eka Yulianti Monica Putri Pratiwi Muhammad Win Afgani Siti Salwa Haquita Syutaridho Syutaridho