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September 14, 2026Open Access

Development of an Ethnomathematics-Based Student Worksheet (LKPD) Using The Bakar Batu Tradition on Three-Variable Linear Equation Systems To Support High School Students' Mathematical Conceptual Understanding

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Authors

YLYuliani Patandung1*, Lusiana Delastri2, Suri Toding Lembang3

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Overview

Developmental study demonstrates improved conceptual understanding in high school students, indicating the utility of cultural contexts in algebra education.

Key Points

  • Develop and evaluate an ethnomathematics-based student worksheet contextualized with the Bakar Batu tradition to support conceptual understanding of three-variable linear equation systems.
  • Applied a 4-D research and development framework (define, design, develop, disseminate) to construct print and digital instructional worksheets.
  • Assessed material, media, and cultural validity through expert evaluation, alongside teacher and tenth-grade student practicality questionnaires at SMA Negeri 1 Dekai Yahukimo.
  • Measured learning effectiveness via a mathematical conceptual understanding test in an implementation cohort (N=20).
  • Expert evaluations demonstrated 90.67% material validity, 94.00% media validity, and 95.00% cultural validity, yielding a combined validity score of 92.73%.
  • Practicality assessments achieved 93.33% based on teacher feedback and 88.89% based on student feedback.
  • Effectiveness testing in 20 students demonstrated a moderate improvement in conceptual understanding with a normalized gain (N-gain) of 0.605.

Cite This Study

Yuliani Patandung1*, Lusiana Delastri2, Suri Toding Lembang3 (2026) studied this question.

synapsesocial.com/papers/6aa7b40e0926e14a848b3756https://doi.org/10.5281/zenodo.22721694
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