Student’s Mathematical Representation using PMRI Approach and LSLC on Algebra Operating Materials in 7th Grade

Abstract

This study aims to determine the ability of students' mathematical representation in the addition operation material and the reduction of algebraic forms using the PMRI and LSLC approaches. The subject of this research is class VII students. 1 Palembang Pusri Middle School totaling 24 people. The learning process takes place in accordance with the principles and characteristics of PMRI and LSLC. The data collection technique used in this study is a written test consisting of 2 description questions, observations and interviews needed to obtain supporting data. The test was conducted to determine the ability of students' mathematical representation when working on the problem. Observations are made to be able to see student activities while the learning process is taking place. Then the interview is used to confirm students' answers. Based on the results of the study, an illustration of the mathematical representation ability of the addition and reduction of algebraic forms using PMRI and LSLC approaches is as follows: in the test questions students have been able to bring up 3 indicators namely verbal representation, symbolic representation and visual representation. But there are still students who experience errors in identifying the elements in the problem or errors in operating.