EFEKTIVITAS PjBL DENGAN PENDEKATAN STEM BERBASIS ETNOMATEMATIKA TERHADAP KEMAMPUAN LITERASI MATEMATIS SISWA

Imanuel Yosafat Hadi Manapa, Imel Lorensah Laan, Petrus Mau Tellu Dony, Asrina Takalapeta, Anastasia Laubela

Abstract


This study aimed to determine the effectiveness of the Project-Based Learning (PjBL) model with an ethnomathematics-based STEM approach in improving students’ mathematical literacy skills in plane geometry. The study employed a quantitative approach using a pretest-posttest design. The subjects were 28 fifth-grade students at UPTD SD Negeri Kenarilang, selected using saturated sampling. Data were collected using an essay-based mathematical literacy test. Data analysis included descriptive statistics, a normality test, and a mean difference test using a paired-samples t-test. The results showed an increase in students’ mean mathematical literacy score from 45.53 on the pretest to 79.71 on the posttest. The mean difference test yielded a calculated tcount (tcount) of 34.93, which was greater than the critical tvalue (tval) of 1.701 at a significance level of 0.05. The test decision indicated that H? was rejected, demonstrating a significant difference between students’ posttest and pretest mathematical literacy scores. Therefore, the PjBL model with an ethnomathematics-based STEM approach was effective in improving students’ mathematical literacy skills in plane geometry. These findings suggest that integrating project-based learning, STEM, and ethnomathematical contexts can provide a meaningful approach to strengthening mathematical literacy in elementary education.

Keywords


PjBL, STEM, etnomatematika, literasi matematis

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DOI: https://doi.org/10.31932/jpdp.v12i2.6919

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