DESAIN DIDAKTIS KONSEP VOLUME BALOK DAN KUBUS UNTUK MENGEMBANGKAN KEMAMPUAN ABSTRAKSI MATEMATIS SISWA KELAS V SEKOLAH DASAR

Abstract

This purpose of this study is to minimize learning barriers experienced by students, as well as develop students' mathematical abstraction abilities on the concept of volume cuboid and cube. Students do not have complete understanding of the concept of volume of cuboid and cube because of learning barriers which are limited by the limitations of the context of students when they first learn them. Therefore that the learning obstacle experienced by students must be anticipated by the teacher through a learning process that can overcome these problems. The research method used in this research was a qualitative method with the design of Didactical Design Research (DDR). The data research technique in this study was carried out with a test of mathematical abstraction ability which was tested on 26 grade V elementary school students, documentation, interviews, and expert tests. This study produced data about the learning obstacle experienced by students, namely the didactical obstacle and epistemological obstacle. And based on the results of expert tests, the didactical design that has been made is good with the learning flow referring to Bruner's theory, namely from concrete to abstract. Thus, it is concluded that the didactical design of the volume of cuboid and cube can minimize the learning obstacle experienced by students, and can develop students' mathematical abstraction abilities