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All Journal Jurnal Karya Pendidikan Matematika
Zawahir Nafisah
Universitas Muslim Nusantara Al-Washliyah
Education Mathematics

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PENGEMBANGAN LKPD PROBLEM-BASED LEARNING BERBASIS CULTURALLY RESPONSIVE TEACHING UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH DAN SELF-EFFICACY Zawahir Nafisah; Ramadhani Ramadhani
Jurnal Karya Pendidikan Matematika Vol 12, No 2 (2025): Jurnal Karya Pendidikan Matematika Volume 12 Nomor 2 Tahun 2025
Publisher : Universitas Muhammadiyah Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jkpm.12.2.2025.112-122

Abstract

This research develops Culturally Responsive Teaching (CRT)-based Problem-Based Learning (PBL) worksheets for teaching triangles and quadrilaterals in junior high school mathematics, addressing the current lack of culturally relevant intructional materials. Using the ADDIE model (Analysis, Design, Development, Implementation, Evaluation), the study involved 31 eighth-grade students at UPT SMP Negeri 8 Medan to create and test worksheets that integrate local cultural contexts with mathematical problem-solving. Expert validation yielded excellent results (96% for design and 95% for content), while both students (82,12%) and teachers (95%) rated the materials as highly practical. Effectiveness testing showed moderate but significant improvement, with N-Gain scores of 0,68 for problem-solving skills and 0,56 for self-efficacy, indicating that these culturally-responsive PBL worksheets are valid, practical, and moderately effective for enhancing mathematical competencies. The findings demonstrate that embedding cultural relevance in mathematics education through carefully designed PBL worksheets can effectively support both cognitive and affective learning outcomes in geometry instruction.
Co-Authors Ramadhani