The results indicate that using the realistic problems, playing LEGO could stimulate students to construct linear equation. The activities were started by playing LEGO to find a linear equation then solve the equation by using flowchart. A set of learning activities in solving linear equation with one unknown were designed based on Realistic Mathematics Education (RME) approach. Design research was used as the research approach to achieve the aim. Thirty-two 7th graders of a Junior High School in Surakarta, Indonesia were involved in this study. The aim of this study was to support 7th graders to gradually understand the concepts and procedures of solving linear equation. Toyib, Muhamad Kusmayadi, Tri Atmojo Riyadi On supporting students' understanding of solving linear equation by using flowchart Based on the result there is a need of meaningfulness teaching strategy to help students to overcome difficulties in solving linear equation problems.
The result showed that students with high mathematics achievement donot have difficulties, students with medium mathematics achievement have factual difficulties, and students with low mathematics achievement have factual, conceptual, operational, and principle difficulties. Twenty-one sample students of grade VIII of SMPIT Insan Kamil Karanganyar did the written test, and 6 of them were interviewed afterward. An individual written test on linear equation tasks was administered, followed by interviews. This study used qualitative descriptive method. This fact became a background to investigate students’ difficulties in solving linear equation problems. However, the result of 2016 national examination in Indonesia showed that students’ achievement in solving linear equation problem was low. Therefore, linear equation material is essential to be mastered. It is a very important material for students in order to learn more advanced mathematics topics. Students’ difficulties in solving linear equation problemsĪ linear equation is an algebra material that exists in junior high school to university.
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