This research is motivated by the low student learning outcomes in the KPK material caused by conventional learning and the lack of use of concrete media. This study aims to determine the effect of the use of congklak media in the PBL model based on deep learning on the KPK learning outcomes of fifth-grade elementary school students. This study uses a quantitative approach with a One Group Pretest-Posttest design. The research sample amounted to 29 selected using saturated sampling techniques. Data were collected through pretest and posttest tests, then analyzed using normality tests and Paired Sample t-tests. The results showed that the average student score increased from 57 in the pretest to 81 in the posttest. The results of the paired sample t-test obtained a significance value of 0.000 <0.05, thus indicating that there is a significant effect of the use of congklak media in the PBL model based on deep learning on the KPK learning outcomes of fifth-grade students of SDN Karangtanjung.
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