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All Journal Journal of Math Tadris (jMt)
Anang, Riyanto Dwi Saputra
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Religion Education Mathematics

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The Efektivitas Pembelajaran STEM dengan Pendekatan PjBL dalam Meningkatkan Pemahaman Relasional Matematis Siswa Anang, Riyanto Dwi Saputra; Astuti, Alfira Mulya; Evendi, Erpin
Jurnal of Math Tadris Vol 5 No 2 (2025): Journal of Math Tadris (jMt)
Publisher : Mathematic Education Departement, State Islamic University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55099/jurmat.v5i2.263

Abstract

This study examined the effectiveness of STEM-based learning integrated with the Project-Based Learning (PjBL) approach in enhancing eighth-grade students’ relational mathematical understanding at SMP Negeri 1 Batukliang during the 2025/2026 academic year. A quantitative approach with a quasi-experimental method employing a pretest–posttest control group design was used. The population comprised all eighth-grade students of SMP Negeri 1 Batukliang (206 students). Using purposive sampling, two classes were selected: Class VIII3 as the control group and Class VIII4 as the experimental group, involving a total of 56 students. Data were collected through an essay-type test measuring relational mathematical understanding, administered at the pretest and posttest stages. Data analysis employed descriptive and inferential statistics using SPSS version 27, including normality and homogeneity tests, N-Gain analysis, and an Independent Samples t-test. The results showed that the average N-Gain score of the experimental class was 0.4906 (moderate category), which was higher than that of the control class at 0.2889 (low category). Furthermore, the t-test revealed a significance value of 0.000 (< 0.05). These findings indicate that STEM-based learning integrated with the PjBL approach is effective in improving students’ relational mathematical understanding.
Co-Authors Alfira Mulya Astuti, Alfira Mulya Evendi, Erpin