Analyzing Students’ Error in Problem Solving of Two-Variable Linear Equation System: A Case Study of Grade Eight Students of Indonesian Junior High School
Keywords:
Students' Error, Mathematics Education, Two-Variable Linear Equation SystemAbstract
This research aims at describing errors as well as knowing the
factors causing students to make an error in solving problems in the
material of the Two-Variable Linear Equation System (SPLDV). This
research involved 31 students from grade eight students of Indonesian
junior high school. To collect the data, tests, observation, and interview
methods were used. The data validity was triangulation in which it
required a comparison of data with interviews. The technique of data
analysis was in three stages, starting from data reduction, data
presentation, and conclusion. The analytical framework was developed
based on the Newman error category. The results obtained are three
types of errors, namely error understanding problems, transformation
errors, and process skills errors. Factors causing these errors, in general,
are students who find difficulties to acknowledge the meaning of the
questions, students have a low level of understanding and creativity in
identifying problems into mathematical models, and students'
carelessness in process skills.
https://doi.org/10.26803/ijlter.18.11.17
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Copyright (c) 2019 Tri Santoso , Hendri Lutfiatul Hamam Nafis, M. Yoga Oktama
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