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All Journal Indo-MathEdu Intellectuals Journal
Mone, Ariyanti
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Mathematics

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Analisis Kesalahan Dalam Menyelesaikan Soal Persamaan Kuadrat Pada Siswa Kelas IX SMP Negeri 1 Loura Mone, Ariyanti; Lede, Yulius Keremata; Making, Samuel Rex Mulyadi
Indo-MathEdu Intellectuals Journal Vol. 5 No. 2 (2024): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v5i2.851

Abstract

The purpose of this study is to describe students' errors in solving quadratic equation problems. The subjects of the study were grade IX B students of SMP Negeri 1 Loura with a total of 13 students. The type of research used is descriptive qualitative using research instruments, test sheets and interviews. The tests used are quadratic equation material questions, while the type of interview conducted is in the form of semi-structured interviews. The results showed that reading error was 0.0%, problem misunderstanding error was 40%, problem transformation error was 60%, process skill error was 75%, final answer writing error was 20%. Student errors are caused by several things including: lack of understanding of the concept of quadratic equations, not focusing and not being careful in doing problems.
Analisis Kesalahan Siswa Kelas IX SMP Negeri 1 Loura dalam Menyelesaikan Soal Matematika pada Materi Persamaan Kuadrat Menggunakan Teori Newman Mone, Ariyanti; Napu, Timotius Woda; Lede, Yulius Keremata; Making, Samuel Rex Mulyadi
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal (In-Press)
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4161

Abstract

This study aims to identify the types of errors made by students in solving quadratic equations and analyze the factors that cause them. The research method used is descriptive qualitative with data collection techniques through written tests, interviews, and documentation. The research subjects consisted of 11 students in class IXB of SMP Negeri 1 Loura with instruments in the form of test questions and interview guidelines. The results of the study show that reading errors accounted for 45.45%, characterized by inaccuracies in making assumptions. Errors in understanding the questions also accounted for 45.45%, because students did not write down the known and asked information completely. Question transformation errors reached 81.81%, where students were inaccurate in writing down the mathematical model or did not write it down at all. Process skill errors also accounted for 81.81%, characterized by incorrect calculations and incomplete work. At the stage of writing the final answer, all students (100%) did not write the conclusion or answer correctly. These findings indicate that the dominant errors were in question transformation, process skills, and writing the final answer. The main factors causing these errors were a lack of conceptual understanding, lack of focus, and low accuracy among students. Therefore, a learning strategy that emphasizes understanding the concept of quadratic equations and accustoming students to writing down the steps to solve the problem in sequence is needed.
Co-Authors Keremata Lede, Yulius Napu, Timotius Woda Samuel Rex Mulyadi Making