Husna, Nikmatul and Zulkardi, Zulkardi and Somakim, , (2014) *Developing Students Understanding Of Mathematical Model On System Of Linear Equation With Two Variables.* In: Ratu Ilma (Eds).The Second South East Asia Design/ Development Research (SEA-DR) International Conference, April 26-27,2014, Unsri, Palembang, April 26th-27th,2014, Palembang.

## Abstract

Students are difficult to make mathematical model for solving algebraic word problem especially in system of linear equation with two variables. For simple problems, students can be directly make the mathematical model. They just translated from word to symbol or variable. For complicated problem like problem about difference of two things, students usually confuse to interpret phrase by phrase. Because of that students make errors in making equation. Therefore, we designed a meaningful learning which can give students a chance to construct their comprehension about mathematical model. This paper is part of a Master Program Research which aims to find the solving of system of linear equations with two variables. But, this paper will focus only on learning design to develop students understanding of mathematical model on system of linear equation with two variables. Design research was used as research approach of this study and scientific approach is a cornerstone in designing learning activity. In this learning design, students gave various problems and asked them to make the mathematical model. From students error in making mathematical model, students can improve their ability about how to make the right mathematical model on system of linear equations with two variables

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