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Imel Lorensah Laan
Universitas Tribuana Kalabahi
Education

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EFEKTIVITAS MODEL PEMBELAJARAN PjBL DENGAN PENDEKATAN STEM BERBASIS ETNOMATEMATIKA TERHADAP HASIL BELAJAR MATEMATIKA MATERI BANGUN DATAR KELAS V SEKOLAH DASAR Imel Lorensah Laan; Imanuel Yosafat Hadi Manapa; Petrus Mau Tellu Dony
JURNAL PENDIDIKAN DASAR PERKHASA: Jurnal Penelitian Pendidikan Dasar Vol 12, No 2 (2026): Jurnal Pendidikan Dasar Perkhasa: Jurnal Penelitian Pendidikan Dasar
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpdp.v12i2.6875

Abstract

This study aimed to compare students’ learning outcomes before and after implementing the Project-Based Learning (PjBL) model with a STEM approach based on ethnomathematics. The study employed a quantitative approach using a pre-experimental method with a One-Group Pretest-Posttest Design. The subjects were all 33 fifth-grade students at SD Negeri Kenarilang, selected using saturated sampling. Data were collected through pretest and posttest questions and analyzed using a t-test. The results showed that the mean pretest score was 48.30, while the mean posttest score increased to 88.75. Hypothesis testing using a t-test at ? = 0.05 yielded tval= 1.694 and tcount= 32.948. The test decision indicated that H? was rejected, demonstrating that the posttest mean was significantly higher than the pretest mean. Therefore, it can be concluded that the PjBL model with an ethnomathematics-based STEM approach is effective in improving students’ learning outcomes. These findings indicate that integrating project-based learning, STEM, and local cultural mathematical contexts can provide an effective approach to strengthening learning outcomes in elementary education.
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
JURNAL PENDIDIKAN DASAR PERKHASA: Jurnal Penelitian Pendidikan Dasar Vol 12, No 2 (2026): Jurnal Pendidikan Dasar Perkhasa: Jurnal Penelitian Pendidikan Dasar
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpdp.v12i2.6919

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.
Co-Authors Anastasia Laubela Asrina Takalapeta Imanuel Yosafat Hadi Manapa Imanuel Yosafat Hadi Manapa Petrus Mau Tellu Dony