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All Journal Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika
Nahor Murani Hutapea
Universitas Riau, Indonesia
Mathematics

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Development of a contextual student worksheet on relations and functions to facilitate students' mathematical conceptual understanding Dewi Yuliani; Atma Murni; Nahor Murani Hutapea
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2645

Abstract

This research was motivated by the low ability of students to understand mathematical concepts. One of the efforts made to facilitate the ability to understand mathematical concepts is by developing Contextual Teaching and Learning LKPD. This research aims to produce valid and practical LKPD products to facilitate the ability to understand mathematical concepts. The form of this research is development research using the 4-D model (definition, design, development and distribution). The research subjects were class VIII of SMPN 32 Pekanbaru. Research instruments include interviews, observations, validation sheets, student response questionnaires. The data analysis technique is carried out by analyzing validation data and student response data. The results of data analysis showed that the LKPD developed had met valid standards with a percentage of 89.06% in the very valid category. The student response questionnaire met practical standards with a percentage of 89.62% in the very practical category. Based on the results of data analysis, it can be concluded that the LKPD developed meets the valid and practical criteria, so it can be used in the mathematics learning process.
Development of teaching materials based on realistic mathematics education to facilitate students mathematical critical thinking skills Ranty Andika Abinaya Zameza; Maimunah; Nahor Murani Hutapea
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 8 No. 1 (2025): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v8i1.2683

Abstract

This study aims to develop mathematics teaching material based on the Realistic Mathematics Education (RME) approach that is valid and practical to facilitate the mathematical critical thinking skills of eighth-grade junior high school students. The research was motivated by the low level of students' critical thinking skills and the lack of teaching materials that support their development. This research employed a development method using the 4D model, which includes the stages of define, design, develop, and disseminate. The limited trial involved 17 eighth-grade students at SMP Negeri 2 in the Suliki subdistrict. The instruments used included expert validation sheets and student response questionnaires. The results showed that the teaching material obtained a validity score of 85.05% (valid category) and a practicality score of 87.38% (very practical category). Analysis of students written work also showed that the material effectively facilitated critical thinking indicators such as interpretation, analysis, and inference. Therefore, the developed teaching material is recommended for use in mathematics instruction for eighth-grade students.
Co-Authors Atma Murni Dewi Yuliani Maimunah Ranty Andika Abinaya Zameza