Analisis Kemampuan Pemahaman Konsep Matematika Siswa SMP Kelas IX pada Materi Aljabar

This research is motivated by the low ability to understand students' mathematical concepts that can be found or seen from their daily lives. Students often have difficulty when given a problem related to the application of the concept because students memorize formulas more often than explore or explore understand the concept. This study aimed to measure the level of understanding of mathematical concepts of junior high school students in class IX. The instrument in this study was in the form of a TIMSS test for understanding students' mathematical concepts. The research method used is descriptive qualitative. The subject in this study were ten students of grade IX SMP Negeri 1 Rawamerta Karawang in the 2021/2022 academic year. Based on the analysis conducted by the researcher, there were three categories of concept understanding abilities, namely the low category with a percentage of 10%, the medium category with a percentage of 70% and the high category with a percentage of 20%. So it can be concluded that the students' ability to understand mathematical concepts is still low.