Development of an Ethnomathematics-Based Mathematics Learning Module for Junior High School Students

Yosafat Ardian Kristiarta; Ratih Kusumo Wardani; Ayatul Ulya; Nerru Pranuta Murnaka

doi:10.30659/kontinu.10.2.%p

Penulis

Yosafat Ardian Kristiarta Universitas Katolik Parahyangan
Ratih Kusumo Wardani Universitas Katolik Parahyangan
Ayatul Ulya Universitas Katolik Parahyangan
Nerru Pranuta Murnaka Universitas Katolik Parahyangan

DOI:

https://doi.org/10.30659/kontinu.10.2.%25p

Abstrak

This study examined the classroom implementation of an ethnomathematics-based mathematics learning module using the Batik Geblek Renteng motif as a cultural context for geometry learning. The study was conducted as part of a Young Lecturer Research project at Parahyangan Catholic University and involved 31 eighth-grade students at SMP Negeri 52 Bandung. Data comprised paired pre-test and post-test grades, a 30-item student-response questionnaire, two expert-validation documents, and a written summary of interviews with one mathematics teacher and six students. The mean grade increased from 38.00 (SD = 17.25) before implementation to 46.58 (SD = 19.39) afterward. A paired-samples t-test indicated a statistically significant mean difference of 8.58 points, t(30) = 2.445, p = 0.021, with a 95% confidence interval of [1.41, 15.75] and Cohen’s d = 0.44. The average questionnaire response was 4.04 on a five-point scale. Both validators recorded an overall judgement that the instructional materials were usable. Interview summaries indicated favorable perceptions of the module’s visual presentation and cultural context, while problem-solving instructions were identified as an area for improvement. These findings provide preliminary classroom evidence concerning the module’s implementation, while the one-group design limits causal interpretation.

Keywords: ethnomathematics; mathematics module; geometry

Biografi Penulis

Yosafat Ardian Kristiarta, Universitas Katolik Parahyangan
Ratih Kusumo Wardani, Universitas Katolik Parahyangan
Ayatul Ulya, Universitas Katolik Parahyangan
Nerru Pranuta Murnaka, Universitas Katolik Parahyangan

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