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Setri Oktavia
Universitas Palangka Raya
Education Mathematics

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Development of RME-Based Electronic Student Worksheet on Peatland Context for Pythagoras Theorem in Grade VIII Junior High School Setri Oktavia; Loy Cindy Br Milala; Putri Sasalia S.; Sugiharto Sugiharto
Journal of Instructional Mathematics Vol. 7 No. 1 (2026): Digital Media and Critical Thinking in Mathematics Learning
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v7i1.2605

Abstract

The learning approach used in the following research is the Realistic Mathematics Education (RME) approach by utilizing peatlands as a context and digital media as a tool. The learning media developed is the electronic student worksheet with the help of liveworksheets in its use. Currently, schools have not developed electronic student worksheet assisted by liveworksheets and have not used peatlands as a context. The purpose of the following this study is conducted to produce a product as electronic student worksheet proven to be valid and practical for implementation, so that students are motivated in learning. The following research uses 4 of the 5 ADDIE stages. The results of the study show that the developed electronic student worksheet is feasible and practical to use with an average of 91% and 82% from 2 validators respectively with very feasible criteria. According to the results of the calculation of the response questionnaire from 30 students and 1 educator, it states that electronic student worksheet is practically used in learning with an average of 89% and 88% respectively. It is hoped that future researchers can use the following electronic student worksheet to see its practicality from year to year.
Development of an RME-Based Teaching E-Module in the Peatlands Context for Grade VIII SMP Pythagorean Theorem Material Loy Cindy Br Milala; Setri Oktavia; Putri Sasalia S.; Emy Artuti
Journal of Instructional Mathematics Vol. 6 No. 2 (2025): Innovative Approaches to Mathematical Understanding and Literacy
Publisher : Pendidikan Matematika STKIP Kusuma Negara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37640/jim.v6i2.2602

Abstract

This study aims to develop a mathematics teaching e-module based on the Realistic Mathematics Education (RME) approach within the peatlands context for Grade VIII students on the Pythagorean Theorem. The research applies nine stages of the Dick and Carey instructional design model: identifying instructional goals, conducting instructional analysis, analyzing learners and contexts, writing performance objectives, developing assessment instruments, designing instructional strategies, developing instructional materials, conducting formative evaluation, and revising instruction. The study involved 31 students and one mathematics teacher. Data were collected through expert validation sheets and response questionnaires for teachers and students. Expert validation results showed that all aspects of the e-module and student worksheet (LKPD) including content, context, evaluation, media, language, format, and layout achieved high validity. Teachers and students rated the product in the Good to Very Good category, which means the e-module and LKPD are feasible for classroom use. Revisions based on expert and user feedback made the Final Prototype clearer and more engaging. Overall, the study indicates that the RME-based e-module with a peatland context is valid, practical, and effective in improving students’ understanding of the Pythagorean Theorem throught contextual learning.
Co-Authors Emy Artuti Loy Cindy Br Milala Putri Sasalia S. Sugiharto Sugiharto