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Citra Dewi Kusuma
Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Negeri Surabaya, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Mathematics Physics

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Pengembangan Media Pembelajaran Berbasis GeoGebra untuk Meningkatkan Pemahaman Konsep Geometri Transformasi di Kelas XI SMA Negeri 5 Surabaya Aulia Rahma Fitri; Budi Santoso; Citra Dewi Kusuma
Journal of Science and Mathematics Education Vol. 2 No. 2 (2026): Journal of Science and Mathematics Education, June 2026
Publisher : Lembaga Publikasi Ilmiah Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/josme.v2i2.594

Abstract

This study aims to develop GeoGebra-based learning media for transformation geometry material in class XI Senior High School (SMA) to improve students’ conceptual understanding. The research employed the Research and Development (R&D) approach with the ADDIE development model (Analysis, Design, Development, Implementation, Evaluation). Data were collected through validation questionnaires, pre-test, post-test, and student response questionnaires involving 30 students of class XI MIPA 2 at SMA Negeri 5 Surabaya. Validation results from material experts and media experts showed average scores of 4.83 and 4.72 respectively, both categorized as very good. The N-Gain score obtained was 0.58, indicating moderate improvement in students’ conceptual understanding after using the GeoGebra-based media. Furthermore, 83.33% of students achieved the minimum completion criteria compared to only 23.33% before the intervention. Students’ positive responses reached 89.7%, indicating high acceptance and engagement with the developed media. These findings demonstrate that GeoGebra-based learning media is effective and feasible for use in transformation geometry learning.
Co-Authors Aulia Rahma Fitri Budi Santoso