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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Mandalika Mathematics and Educations Journal Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Griya Journal of Mathematics Education and Application Rengganis Jurnal Pengabdian Masyarakat
Ulfa Lu'luilmaknun
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Agriculture, Biological Sciences & Forestry Chemistry Economics, Econometrics & Finance Education Mathematics Physics Social Sciences Other

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Pengaruh Model Problem Based Learning Berbantuan Media Math Magic Card Terhadap Kemampuan Pemecahan Masalah Matematika Siswa Kelas VIII SMPN 15 Mataram Pratiwi Bunga Angkasa; Nurul Hikmah; Ulfa Lu'luilmaknun
Griya Journal of Mathematics Education and Application Vol. 5 No. 4 (2025): Desember 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i4.900

Abstract

Problem solving ability is an important competence in learning mathematics, but the results of observations at SMPN 15 Mataram showed that the ability is still relatively low. This study aims to determine the effect of Problem Based Learning (PBL) model assisted by Math Magic Card media on the ability to solve math problems of grade VIII students of SMPN 15 Mataram academic year 2025/2026. The type of research used is quasi-experimental with posttest-only nonequivalent group design. The study population was all students of Class VIII, with a sample of two classes, namely Class VIII J as an experimental group that applies the PBL model assisted by Math Magic Card and Class VIII K as a control group that applies the conventional learning model. Data were collected through a test of problem-solving skills in the form of problem descriptions prepared based on Polya indicators. The test has been validated by an expert (validator) and declared valid for use in research. Based on the results of the normality test shows that the research data are normally distributed and homogeneity test results show that the variance between groups is homogeneous. Then an independent t-test was conducted to determine the difference in the average problem solving ability of experimental class and control class with the results of at 5% significance level so that there is a significant difference between the two groups. The results showed that the average value of the experimental class posttest of 64.12 higher than the control class which only reached 50.23. The effect size value of 0.60 indicates the moderate influence of the application of PBL assisted Math Magic Card on students ' math problem solving skills. Thus, it can be concluded that the use of PBL models with the help of Math Magic Card media has an effect on improving students ' mathematical problem solving skills.
Co-Authors Apriani, Amelia Ardiana, Lailik Arisma, Dinda Putri Arjudin Baidowi Baidowi Dina Auliya Harry Soeprianto Intan Kertiyani, Ni Made Ketut Sarjana Kuraini, Nadia Maria Evelin Totuloba Nani Kurniati Ni Made Intan Kertiyani Nilza Humaira Salsabila Nourma Pramestie Wulandari NURUL HIKMAH Nyoman Sridana Pratiwi Bunga Angkasa Putri Surya Sapitri, Evi Sri Subarinah Sripatmi Sudi Prayitno Tabita Wahyu Triutami