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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang
Reza lestari
Sekolah Tinggi Keguruan dan Ilmu Pendidikan Muhammadiyah Pagaralam
Education

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PENGARUH ALAT PERAGA BALOK 3D MENGGUNAKAN MODEL PEMBELAJARAN CONTEXTUAL TEACHING AND LEARNING (CTL) TERHADAP KEMAMPUAN PEMAHAMAN KONSEP SISWA PADA MATERI BALOK DIKELAS VII SMP NEGERI 4 PAGARALAM Delsi Dewi Apriani; Indah Widyaningrum; Reza lestari
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 02 (2026): Volume 12 No. 2, Juni 2026 Release
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i02.16959

Abstract

This study aims to determine the effect of using 3D block teaching aids with the Contextual Teaching and Learning (CTL) learning model on students' conceptual understanding ability in the topic of cuboids in grade VIII of junior high school. Observations and interviews indicated that students' understanding of cuboid geometry was still very weak; students found it difficult to imagine the actual shape from mere drawings. The lack of concrete examples or real models made the concept of cuboids still appear abstract. This research is classified as experimental research using a quantitative research methodology. Data collection techniques included documentation, tests, instrument trials, and validity checks.The results showed an effect of using 3D block teaching aids with the CTL learning model on students' conceptual understanding ability. This can be seen from the average posttest score of the experimental class, which was 81.5, higher than the control class average of 66.5. Furthermore, the hypothesis test using the Independent Sample t-test obtained a calculated t-value of 3.670, which is greater than the t-table value of 1.900, with a significance value of 0.000 < 0.05, so H0 was rejected and Ha was accepted. Thus, the use of 3D block teaching aids with the CTL learning model has a positive effect on students' conceptual understanding ability in the topic of cuboids.
Co-Authors Delsi Dewi Apriani Indah Widyaningrum