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All Journal Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan ITEj (Information Technology Engineering Journals) AB-JME: Al-Bahjah Journal of Mathematics Education
Farizi, Reo Al
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Religion Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Mathematics Social Sciences

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Journal : ITEj (Information Technology Engineering Journals)

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Developing Pedagogically Aligned AR Media for Teaching Polyhedra in Junior Secondary Education Haqq, Arif Abdul; Handoko, Hendri; Farizi, Reo Al
ITEJ (Information Technology Engineering Journals) Vol 10 No 1 (2025): June
Publisher : Pusat Teknologi Informasi dan Pangkalan Data IAIN Syekh Nurjati Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24235/itej.v10i1.260

Abstract

This study presents the design and evaluation of marker-based augmented reality instructional media using Unity and Vuforia to support polyhedra learning in junior high school geometry. The development followed the 4D model and was grounded in a five-phase learning trajectory consisting of exploration, manipulation, analysis, application, and reflection. The AR media features interactive 3D polyhedron models, net unfolding animation, and formula overlays, each activated through printed markers. The design was informed by students’ learning needs, particularly difficulties in visualizing shapes, distinguishing surface area from volume, and applying geometric formulas correctly. Expert validation using Aiken’s V confirmed strong instructional alignment. Student perception data, classroom observations, and teacher interviews indicated that the media enhanced spatial reasoning, improved engagement, and encouraged verbal mathematical discourse. The findings support the integration of AR into structured pedagogical sequences and demonstrate its potential to improve geometry instruction in diverse classroom settings.
Co-Authors Adella, Rizqi Handoko, Hendri Nurma Izzati