Analisis Kesalahan dalam Mengerjakan Soal Geometri
DOI:
https://doi.org/10.25273/jems.v7i1.5290Keywords:
Logical Thinking, Problem Solving, Learning StyleAbstract
Tujuan dari penelitian ini (1) untuk mengetahui persentase kesalahan konseptual yang dilakukan oleh siswa dalam menyelesaikan pertanyaan matematika pada subjek segiempat (2) untuk mengetahui persentase kesalahan prosedural yang dibuat oleh siswa dalam menyelesaikan masalah matematika pada subjek segiempat (3) untuk mengetahui persentase kesalahan perhitungan yang dilakukan oleh siswa dalam menyelesaikan masalah matematika pada subjek segiempat (4) untuk mengetahui sebagian besar jenis kesalahan yang dilakukan oleh siswa dalam memecahkan masalah matematika pada subjek segiempat. Hasil penelitian ini menunjukkan bahwa siswa kelas VII SMP N 9 Yogyakarta membuat kesalahan konseptual 68,98% termasuk kategori rendah, membuat kesalahan prosedur 85,16% termasuk kategori sangat tinggi, dan membuat kesalahan perhitungan 89,84% termasuk kategori sangat tinggi. Sedangkan jenis kesalahan yang paling banyak dilakukan oleh siswa kelas tujuh SMP N 9 Yogyakarta dalam menyelesaikan soal matematika, subjek segiempat adalah kesalahan perhitungan, yaitu sebesar 89,84%. dengan penyebab faktor kesalahan siswa yaitu (1) siswa tidak menuliskan yang diketahui, ditanyakan, dan rumus (2) siswa kurang mampu memahami materi pelajaran yang diajarkan (3) siswa bergegas untuk mengerjakan soal.
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The aim of this study (1) to find out the percentage of conceptual errors made by students in solving mathematical questions on the subject of quadrilateral (2) to find out the percentage of procedural errors made by students in solving mathematical problems on the subject of quadrilateral (3) to find out the percentage of calculation errors made by students in solving mathematical problems on the subject of quadrilateral (4) to find out the most types of mistakes made by students in solving mathematical problems on the subject of quadrilateral. The results of this study indicate that VII grade students of SMP N 9 Yogyakarta made a conceptual error of 68.98% including the low category, making a procedure error of 85.16% including the very high category, and made a calculation error of 89.84% including the very high category. While the most types of errors made by the seventh grade students of SMP N 9 Yogyakarta in solving mathematical questions the subject of quadrilateral is a calculation error, which is equal to 89.84%. with the cause of the student error factor viz (1) students do not write down known, asked, and formulas (2) students are less able to understand the subject matter being taught (3) tudents rush to work on the problems.
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