PENGARUH PEMBELAJARAN KONTEKSTUAL BERBASIS ETNOMATEMATIKA TERHADAP PEMAHAMAN KONSEP TRANSFORMASI GEOMETRI SISWA KELAS IX SMPN 1 KEDUNGJAJANG

Authors

  • Putri Dwi Lestari STKIP PGRI Lumajang
  • Mohammad Ridho'i STKIP PGRI Lumajang
  • Fahmi Abdul Halim STKIP PGRI Lumajang
  • Diva Aurora Sailatur Rizkiyah STKIP PGRI Lumajang

DOI:

https://doi.org/10.23969/jp.v11i03.60517

Keywords:

Cotextual learning, ethnomathematics, geometric transformation

Abstract

The limited understanding of geometric transformation concepts highlights the need to link mathematics instruction with real-world experiences. This study aimed to determine whether ethnomathematics-based contextual learning-utilizing the architecture of the KH. Anas Mahfud Grand Mosque-had a significant effect on the conceptual understanding of 9th-grade students at SMP Negeri 1 Kedungjajang. A quasi-experimental design was employed, specifically the Posttest-Only Control Group Design. Purposive sampling was used to select the participants, resulting in Class IX C (25 students) serving as the experimental group and Class IX B (25 students) as the control group. Data were collected via an essay-based posttest and documentation, then analyzed using tests for normality and homogeneity, followed by an independent sample t-test. The results revealed a significance value (Sig. 2-tailed) of 0.000 (p < 0.05), with the experimental group achieving a higher mean posttest score (88.20) compared to the control group (68.96). These empirical findings demonstrate that implementing a local culture-based contextual learning strategy has a significant, positive impact on improving students' mastery of geometric transformation concepts

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Published

2026-07-19

Issue

Vol. 11 No. 03 (2026): Volume 11 Nomor 03, September 2026 Publish

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