Analisis Kesulitan Siswa Memahami Konsep, Prinsip, dan Prosedur pada Soal-Soal Materi Garis dan Sudut
Abstract
Abstract. The purpose of this research is to identify the difficulties experienced by students in understanding the concepts, principles, and procedures in problems related to the material of lines and angles. This research is a qualitative study with a descriptive method. The subjects of this study were students of class VIII-1 at SMP Negeri 29 Medan. Data collection techniques included tests, interviews, and documentation. All students of class VIII-1 took a test on the understanding of concepts, principles, and procedures. Afterward, the test results were analyzed and categorized into three groups: high, medium, and low ability. Subsequently, two students from each ability group were selected as interview subjects. The results of this research indicate that the most common conceptual difficulty experienced by students is classifying objects according to their concepts in determining the type of angle according to its measurement. The most common principle difficulty experienced by students is connecting mathematical concepts in solving problems in the material of the relationship between angles formed by two parallel lines intersected by a transversal line. Meanwhile, the procedural difficulty experienced by students is that all students still make mistakes in explaining, planning, and applying the correct steps or algorithms in mathematical problems, both in the material of the relationship between lines, determining angles, and the relationship between angles formed by two parallel lines intersected by a transversal.
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