Implementasi  Model PBL dengan  Liveworksheet  untuk  Meningkatkan  Kemampuan Pemecahan  Masalah Siswa SMPN 9 Medan: Penelitian

Erwin Syahputra; Imelda Sihombing

doi:10.31004/jerkin.v3i4.536

Authors

Erwin Syahputra Universitas Katolik Santo Thomas Medan
Imelda Sihombing Universitas Katolik Santo Thomas Medan

DOI:

https://doi.org/10.31004/jerkin.v3i4.536

Keywords:

Implementation of PBL Model, Liveworksheet, SMPN 9 Medan

Abstract

This study was conducted to improve the problem-solving skills of class VIII-2 students of SMPN 9 Medan in mathematics learning with the topic of Investigating the Properties of Geometric Figures. Learning was carried out using Live Worksheet as a learning media with the Problem Based Learning (PBL) as method. The object of this study was to improve problem-solving skills in learning to Investigate the Properties of Geometric Figures in class VIII-2 students of SMPN 9 Medan in the 20024/2025 academic year. This study used the Classroom Action Research (CAR) method which focused on Cycle I and Cycle II. In this study, the instruments used were teacher observation and tests (pre-test, post-test I and post-test II). Based on the data that has been analyzed, it was obtained that students' problem-solving skills increased from cycle I to cycle II with an N-Gain index of 0.56 with the category "Medium". Therefore, the researcher concluded that the application of Problem Based Learning using Live Worksheet can improve problem-solving ability in learning to Investigate the Properties of Geometric Figures in class VIII-2 students of SMPN 9 Medan.

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