ANALYSIS OF GEOMETRIC MISCONCEPTIONS OF GRADE 7TH STUDENTS IN THE CONCEPTS OF TRIANGLES AND QUADRILATERAL

This study aims to determine the causes of misconceptions that occur in students, especially in understanding the concepts of triangles and quadrilateral concepts. The population in this study were eighth-grade students of SMP Negeri 2 Wewewa Timur. The research subjects were 32 students of Class 7th A. This research method is descriptive qualitative by analyzing students' answers to the questions given. The instruments in this study were written tests and interviews. The results of this study indicate that misconceptions occur in students (1) Associative thinking, (2) Lack of learning interest, (3) Intuitive thinking, (4) Incomplete / wrong reasoning, (5) Student ability. Based on this research, it can be concluded the need to analyze the results of student work to determine misconceptions experienced by students, so that later students don't repeat the same mistakes.