THE EFFECTIVENESS OF REALISTIC MATHEMATICS EDUCATION APPROACH ON ABILITY OF STUDENTS’ MATHEMATICAL CONCEPT UNDERSTANDING

This research is an experimental research which aim is to know whether Realistic Mathematics Education approach is effective on ability of students’ mathematical concept understanding or not. The population in this research is all the students of class VIII SMP Negeri 20 Medan, North Sumatera. The sample is the students of class VIII-1 as experimental group and the students of class VIII-2 as control group. The instruments which are used consist of the ability of mathematical concept understanding test, teacher’s observation notes, and student’s observation notes. Data analysis is done with t test. The results of this research proves that Realistic Mathematics Education approach is effective on the ability of students’ mathematical concept understanding.