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All Journal Journal of Education and Teaching Learning
Haddadul Ilmi Harahap
Universitas Islam Negeri Sumatera Utara
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The Effect of Geometry Flashcard Learning Media on Elementary School Students’ Ability to Understand Basic Concepts of Solid Figures Haddadul Ilmi Harahap; Rora Rizky Wandini
Journal of Education and Teaching Learning Vol.4 No.2 October (2026)
Publisher : PT MEDIA JURNAL DAN PENDIDIKAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59211/mjpjetl.v4i2.415

Abstract

This study aims to examine the effect of geometry flashcard learning media on elementary school students' understanding of basic three-dimensional geometry concepts at MIS Nurul Aflah. The study employed a quantitative approach using a quasi-experimental method with a Pretest–Posttest Control Group Design. The sample consisted of 30 third-grade students, divided into 15 students in the experimental group and 15 students in the control group, selected through purposive sampling. The research instruments included five essay test items that met the validity and reliability requirements, supported by observation sheets and documentation. The findings revealed that the experimental group's mean pretest score increased from 57.33 to 84.27 on the posttest, while the control group's mean score improved from 56.67 to 71.20. The normality test yielded significance values of 0.200, and 0.176, while the homogeneity test produced a significance value of 0.482, indicating that the data were normally distributed and homogeneous. Furthermore, the Independent Samples t-test resulted in a significance value of 0.001 (<0.05), indicating that the use of geometry flashcard learning media had a significant positive effect on students' understanding of basic three-dimensional geometry concepts..  
Co-Authors Rora Rizky Wandini