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All Journal Jurnal Pendidikan Matematika (Jupitek) Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika
Malinda, Ari
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Education Mathematics

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CRITICAL THINKING ABILITY OF JUNIOR HIGH SCHOOL STUDENTS IN SOLVING MATHEMATICS QUESTIONS OF THE NATIONAL SCIENCE COMPETITION Malinda, Ari; Roza, Yenita; Maimunah, Maimunah
Jurnal Pendidikan Matematika (JUPITEK) Vol 5 No 2 (2022): Jurnal Pendidikan Matematika (JUPITEK)
Publisher : Program Studi Pendidikan Matematika FKIP Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jupitekvol5iss2pp187-193

Abstract

Critical thinking ability is the ability to identify problems, evaluate and develop arguments and solve problems appropriately. Critical thinking must be mastered as a fundamental ability that students must possess. One strategy that can develop students' critical thinking skills is giving problem-solving tasks, such as KSN questions. The KSN questions have more complex problems and a very high difficulty level. This study aimed to measure students' critical thinking in solving the problems of the National Science Competition (KSN) in the field of Mathematics. This research is qualitative descriptive research. The research subjects were three 8th-grade students who were members of the competition team of Public Junior high School 3 Siak Kecil. The data collection technique was in the form of a written test to measure students' critical thinking skills. The results showed that students had good mathematical critical thinking skills. Overall, students can investigate the context of the problem (interpretation), model or formulate mathematical problems (analysis), develop answer concepts by applying appropriate strategies (evaluation), and write conclusions (inference). The results of the data analysis concluded that of the three students who took the test, S-1 had excellent critical thinking skills
Development of a realistic mathematics education (rme)-based learning module on social arithmetic to enhance students’ mathematical literacy Malinda, Ari; Suanto, Elfis; Maimunah
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 8 No. 3 (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.v8i3.3366

Abstract

This study addresses the low level of students’ mathematical literacy, which is partly attributed to the limited availability of teaching materials that explicitly support the development of mathematical literacy skills. The study aimed to develop a learning module based on Realistic Mathematics Education (RME) on the topic of social arithmetic that is valid, practical, and effective in improving students’ mathematical literacy skills. The study employed a research and development approach using the 4-D model, consisting of the define, design, develop, and disseminate stages. The participants were seventh-grade students of SMP Negeri 2 Binjai. The results indicate that the developed module achieved a validity level of 93.48% (very valid) based on expert review and one-to-one evaluation, a practicality level of 86.01% (very practical) in the small-group trial and 86.96% (very practical) in the field test, and demonstrated effectiveness as reflected in the significant difference in posttest mean scores between the experimental and control classes. Furthermore, the improvement in students’ mathematical literacy skills, measured using the N-gain index, showed a high category in the experimental class (0.7012) and a medium category in the control class (0.4029). These findings indicate that the RME-based learning module is suitable for use as instructional material to enhance students’ mathematical literacy skills, as it fulfills the criteria of validity, practicality, and effectiveness.
Co-Authors Elfis Suanto Maimunah Maimunah, Maimunah Yenita Roza