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All Journal JURNAL MathEdu (Mathematic Education Journal)
Atikah Ilmiyanti
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Education Mathematics

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Pengembangan Media Pembelajaran E-Book Berbasis Etnomatematika Untuk Meningkatkan Kemampuan Penalaran Matematis Di SMP Kota Padangsidimpuan Atikah Ilmiyanti; Muhammad Syahril Harahap; Nunik Ardiana
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 2 (2026): JURNAL MathEdu (Mathematic Education Journal) Juli 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i2.7260

Abstract

This study aimed to develop ethnomathematics-based e-book learning media to improve mathematical reasoning skills of seventh grade students of SMP Negeri 1 Padangsidimpuan. The development method used the ADDIE model consisting of the analysis stage, design stage, development stage, implementation stage, and evaluation stage. The subject was 34 students. The data collection techniques used validity questionnaires to test the validity of a product, student response questionnaires to test practicality, and test questions to test effectiveness. The results of the study, validity of the product of 3 validators obtained a total percentage of achievement of 89.81% (very valid category), the level of practicality of the student response questionnaire reached 91.82% (very practical category), and the average effectiveness was 96.45 (very effective category). It was concluded that ethnomathematics-based e-book learning media is very practical, effective and practical.
Co-Authors Muhammad Syahril Harahap NUNIK ARDIANA