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All Journal Global Education Journal Journal of Creative Power and Ambition (JCPA)
Olief Ilmandira Ratu Farisi
Universitas Nurul Jadid, Indonesia
Economics, Econometrics & Finance Education Social Sciences Other

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Development of Interactive Learning Videos on Grade IX Spatial Structure Material Eka Titik Susiani; Olief Ilmandira Ratu Farisi
Journal of Creative Power and Ambition (JCPA) Vol. 4 No. 02 (2026): Journal of Creative Power and Ambition (JCPA)
Publisher : CV Edujavare Publishing

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Abstract

Mathematics instruction on three-dimensional shapes in ninth-grade junior high school is still dominated by conventional media, such as textbooks, worksheets, and static teacher explanations. As a result, students often struggle to understand abstract concepts, including nets, surface area, and the volume of three-dimensional shapes. Therefore, learning media are needed that can present the material in a more engaging, interactive, and accessible manner through Android devices. This study aims to develop interactive Android-based educational video media for teaching solid geometry to ninth-grade students. The study employed a research and development (R&D) approach using the ADDIE model, which consists of five stages: Analysis, Design, Development, Implementation, and Evaluation. The developed media were validated by media experts and subject-matter experts and evaluated through user feedback questionnaires. The data were analyzed using quantitative descriptive methods based on a Likert scale. The results showed that the developed instructional media received feasibility scores of 87.5% from media experts, 91% from subject-matter experts, and 91% from users. All evaluation results were classified as highly valid, indicating that the media have an attractive interface, are easy to use, and present content that is aligned with the learning objectives. Based on these findings, the developed interactive educational video media are considered suitable for use as a supplementary learning tool for teaching three-dimensional shapes to ninth-grade junior high school students.
Development of a Snakes and Ladders Educational Game on Complex Numbers for Grade 11 Students: - Dwi Riska Nur Wahyuni; Olief Ilmandira Ratu Farisi
Global Education Journal Vol. 4 No. 2 (2026): Global Education Journal (GEJ)
Publisher : Civiliza Publishing, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59525/gej.2022

Abstract

Mathematics is an important field of study in education, which is always present and often applied in everyday problems. However, most people still find mathematics difficult, scary and confusing. This research aims to develop educational games on complex number material that are valid and practical for use in class XI student learning. This research uses the Research and Development (R&D) method with the ADDIE development model which includes analysis, design, development, implementation and evaluation stages. The validity of the game is assessed by material experts and media experts, while practicality is obtained through a student response questionnaire after using the game. The research results showed that material expert validation obtained a percentage of 87% in the very valid category, while media expert validation obtained a percentage of 86% in the very valid category. The results of the student response questionnaire obtained a percentage of 87.4% in the very practical category, which shows that practical games are used in learning. Based on these results, the educational game with complex number material that was developed was declared valid and practical so that it could be used as a learning medium to support the learning process of class XI students.
Co-Authors Dwi Riska Nur Wahyuni Eka Titik Susiani