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Bunga Muawanah Munawar
Elementary School Teacher Education, Universitas Negeri Semarang, Semarang, Indonesia
Religion Humanities Education Library & Information Science Other

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Development of MOKASEMAR Media-Based PMRI to Improve Problem Solving and Critical Thinking Skills of Fifth Grade Students at SDN Karanganyar 01 Bunga Muawanah Munawar; Nursiwi Nugraheni
Journal of Educational Sciences Vol. 10 No. 2 (2026): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.10.2.p.3075-3082

Abstract

The goal of this research was to develop a MOKASEMAR media to improve the critical thinking and problem-solving abilities of fifth-grade students on the subject of numbers up to 1.000.000. R&D using an ADDIE design was the methodology employed. The validation score from the experts was 93.18% from media experts, 93.75% from material experts, 95.8% from language experts, and 100% from teachers and students, with a very feasible category. The significance level (2-tailed) of the paired t-test is approximately 0,000, indicating that the post-test score for problem-solving and critical thinking skills is higher than the pre-test score. Furthermore, the control class's N-Gain scores for critical thinking and problem-solving abilities were 0.6209 and 0.6553, which are classified as moderate and quite effective. In addition, the experimental class's N-Gain scores were 0.6828 and 0.6993, which are classified as moderate and quite effective. According to the findings, the MOKASEMAR media has successfully improved critical thinking and mathematical problem-solving abilities in whole numbers up to 1.000.000.
Co-Authors Nursiwi Nugraheni