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All Journal Jurnal Karya Pendidikan Matematika Riemann : Research of Mathematics and Mathematics Education
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.
Analysis of Mathematical Problem-Solving Ability on The Pythagoras’ Theorem Suci Indah Sari; Zawahir Nafisah; Rohani Damayanti Sihotang; Annisaul Fadilah; Dwi Novita Sari
Riemann: Research of Mathematics and Mathematics Education Vol. 6 No. 2 (2024): EDISI AGUSTUS
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/aap7b819

Abstract

Since mastery of problem-solving techniques is one of the main objectives of studying mathematics, such techniques are very important in the field of mathematical education. With the help of the Pythagorean theorem, the problem-solving skills of eighth-grade students will be assessed. SM Muhammadiyah 01 Field, Class VIII-1 Integrated Facilities, is the location of this research. This research uses qualitative research methodology. The instruments used in this study are four and ten-question model questionnaires labeled Highly Agree (SS), Agreed (S), and Disagreement (TS). This research resulted in high categories whose presentation scores reached 57 to 60 were obtained by 2 students, a medium category where its presentation ratings reached 35 to 46 was achieved by 21 students, and a low category where the presentation value reached 2 compared to 31 was achieved by 5 students.
Co-Authors Annisaul Fadilah Dwi Novita Sari Ramadhani Rohani Damayanti Sihotang Suci Indah Sari