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All Journal Ainara Journal (Jurnal Penelitian dan PKM Bidang Ilmu Pendidikan)
Windiani, Dea Windiani
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Religion Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences

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Development of a Mathematics Multiplication Pocket as an Instructional Teaching Aid for Multiplication Concepts in Elementary School: Pengembangan Kantong Perkalian Matematika sebagai Alat peraga pada Materi Perkalian di Sekolah Dasar Windiani, Dea Windiani; Maulana, Maulana; Isrok’atun, Isrok’atun
Ainara Journal (Jurnal Penelitian dan PKM Bidang Ilmu Pendidikan) Vol. 6 No. 4 (2025): Ainara Journal (Jurnal Penelitian dan PKM Bidang Ilmu Pendidikan)
Publisher : Lembaga Penelitian dan Pengembangan Sumberdaya Wilayah (elrispeswil)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54371/ainj.v6i4.1047

Abstract

Persistent difficulties in learning multiplication at the elementary level indicate a gap between recommended use of concrete manipulatives and prevailing textbook-centered practices. This research and development (R&D) study developed Kalimatika, a low-cost concrete manipulative, and examined its feasibility and learning effectiveness for third-grade multiplication. Using the ADDIE model, six experts (three media, three content) validated the product with feasibility ratings of 94.7% and 98.6% (highly feasible). A one-group pretest–posttest implementation with 26 students yielded a mean increase from 77.15 to 92.50 and an N-Gain of 0.59 (medium). Teacher and student questionnaires indicated very good acceptance. The findings extend evidence that locally fabricated manipulatives can strengthen conceptual understanding of whole-number multiplication in elementary mathematics. Limitations include the small sample and single-group design; future work should employ controlled trials and durability improvements.
Co-Authors Isrok’atun, Isrok’atun Maulana Maulana, Maulana