LEARNING OBSTACLE SISWA TUNAGRAHITA PADA MATERI BILANGAN BULAT

Abstract

Learning obstacles are obstacles or difficulties that arise in the learning process. This study aims to determine the difficulties of mentally retarded students on the whole number material. The method used is a qualitative method based on the Didactical Design Research (DDR) stage with the subject of students with mental retardation in class X SMALB (SKh Bahari Labuan). Data collection techniques obtained through test questions. Based on the results of the study, it was found that the learning obstacles of mentally retarded students included errors in counting and writing number symbols, difficulties in solving story problems, and difficulties in operating multiplication and division. This research is the first part of a series of didactic design research to overcome the difficulties of learning mathematics for mentally retarded students on integer material.