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Program Studi Pendidikan Matematika Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pasir Pengaraian Jalan Tuanku Tambusai, Pasir Pengaraian, Rokan Hulu Riau, Indonesia
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Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika
Published by Universitas Pasir Pengaraian
ISSN : 26554518     EISSN : 26548739     DOI : https://doi.org/10.30606/absis
Core Subject : Education,
Mathematics
Jurnal Absis adalah jurnal penelitian yang dikelola oleh program studi Pendidikan Matematika Universitas Pasir Pengaraian. Absis diambil dari istilah matematika yang merupakan jarak titik terhadap sumbu tegak. Jurnal Absis memuat artikel hasil penelitian atau kajian literatur dalam bidang pendidikan matematika dan matemtika. Jurnal absis terbit dua kali dalam satu tahun yaitu pada bulan April dan Oktober. Jurnal Absis diharapkan dapat menjadi tempat bagi peneliti pendidikan matematika atau matematika utamanya bagi dosen Pendidikan Matematika Universitas Pasir Pengaraian, dosen berbagai universitas, maupun guru untuk mempublikasikan artikel ilmiahnya. Jurnal Absis merupakan terbitan berkala yang dapat diakses secara terbuka oleh pembaca untuk mendukung tumbuh kembangnya ilmu pengetahuan, terutama dalam bidang Pendidikan matematika dan matematika.
Arjuna Subject : Umum - Umum
Articles 222 Documents
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Development of pythagorean theorem worksheets based on realistic mathematics education to facilitate students' mathematical reasoning ability Maya Aulia Putri; Elfis Suanto; Susda Heleni
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 9 No. 1 (2026): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v9i1.4129

Abstract

This study was motivated by students’ low mathematical reasoning ability, particularly in the geometry topic of the Pythagorean theorem. The 2022 PISA results also indicate that Indonesian students’ mathematical performance remains relatively low, partly due to learning practices that emphasize memorization and provide limited non-routine problems that support reasoning. Therefore, this study aimed to develop Pythagorean theorem worksheets based on Realistic Mathematics Education (RME) to facilitate students’ mathematical reasoning ability. This research employed a Research and Development (R&D) design using the 4-D development model, consisting of define, design, develop, and disseminate stages. The product was developed for eighth-grade students and was validated by three expert validators. Product trials were conducted through one-to-one evaluation involving three students, a small group trial involving six students, and a field trial involving 34 students at SMPN 8 Pekanbaru. The instruments used were validation sheets and student practicality questionnaires. The results showed that the developed worksheets obtained an average validation score of 4.40, categorized as very valid. The practicality test obtained an average score of 3.48 in the small group trial and 3.48 in the field trial, both categorized as very practical. These findings indicate that the RME-based Pythagorean theorem worksheets are valid and practical for use as teaching materials to facilitate students’ mathematical reasoning ability.
Development of contextual-based mathematics teaching materials to facilitate students' mathematical problem-solving ability on systems of linear inequalities in two variables Ulfania Julisa; Maimunah; Kartini
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 9 No. 1 (2026): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v9i1.4132

Abstract

This study was motivated by students’ low mathematical problem-solving ability, particularly in solving contextual problems related to systems of linear inequalities in two variables. Students often experience difficulties in understanding problems, constructing mathematical models, drawing graphs, and determining the solution region because learning materials tend to emphasize procedural exercises rather than systematic problem-solving stages. This study aims to develop contextual-based mathematics teaching materials on systems of linear inequalities in two variables to facilitate Phase E students’ mathematical problem-solving ability. This research employed a Research and Development (R&D) design using the ADDIE model, which consists of analysis, design, development, implementation, and evaluation stages. The developed product was validated by three mathematics education experts and tested through one-to-one evaluation, a small group trial involving six students, and a field test involving 35 students. The instruments used were validation sheets and student response questionnaires. The validation results showed an average score of 95.27%, categorized as very valid. The practicality test obtained an average score of 89.16% in the small group trial and 92.96% in the field test, both categorized as very practical. These findings indicate that the contextual-based mathematics teaching materials are valid and practical for use in learning systems of linear inequalities in two variables and can serve as an alternative teaching material to facilitate students’ mathematical problem-solving ability.

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