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All Journal Riemann : Research of Mathematics and Mathematics Education
Sinta Pratama Putri
UIN Imam Bonjol Padang
Education Mathematics

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Designing Ethnomathematics-Oriented Mathematics Worksheets through Scientific Exploration of Batik Patterns in the Merdeka Curriculum Context Christina Khaidir; Sinta Pratama Putri; Rozi Fitriza
Riemann: Research of Mathematics and Mathematics Education Vol. 8 No. 2 (2026): EDISI AGUSTUS
Publisher : Program Studi Pendidikan Matematika Universitas Katolik Santo Agustinus Hippo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38114/riemann.v8i2.198

Abstract

Bridging abstract geometric concepts with students’ cultural experiences remains a persistent challenge in mathematics education. While ethnomathematics offers a promising pathway, there is a notable shortage of empirically validated instructional materials that simultaneously ensure mathematical rigor and cultural authenticity within Indonesia’s Merdeka Curriculum. To address this gap, this study developed and validated an ethnomathematics-oriented geometry worksheet using Silungkang and Pandai Sikek batik patterns for seventh-grade instruction. Guided by the ADDIE research and development model, the design embedded systematic geometric analysis (symmetry, transformations, and tessellations) directly into culturally authentic motifs. Validation involved five subject-matter experts, two mathematics teachers, and nine seventh-grade students stratified by ability level. Expert review yielded a composite validity score of 88.7% (“very valid”), while practicality assessments indicated strong classroom feasibility for both teachers (88.75%) and students (89.16%), with minimal variation across ability strata (SD = 1.21). These findings demonstrate that culturally grounded materials can maintain high mathematical precision while supporting inquiry-based learning. By structuring batik patterns as guided sites for geometric analysis rather than decorative contexts, the worksheet aligns with the Merdeka Curriculum’s emphasis on contextual, student-centered instruction. While this study establishes a validated foundation for culturally responsive geometry resources, future research should examine instructional effectiveness and broader classroom implementation.
Co-Authors Christina Khaidir Rozi Fitriza