Pengembangan Media Kotak Hitung untuk Meningkatkan Kemampuan Pengurangan Peserta Didik Diskalkulia

Abstract

This study aims to determine the development process, validity and practicality of the counting box media to improve the ability of the work process to reduce students dyscalculia class II SD. The type of research used is research and developmemt (R & D) with the ADDIE model ( Analyze, Design, Develop, Implemt and Evaluate). The assessment instruments in this study are questionnaires and teacher responses, documentation and assessment of students abilities. The research subjects are media experts, material experts, learning experts for dyscalculia students, technical expert, educators and one of the dyscalculia students. Evaluation of product validation from experts is combined and analyzed using deep formulas so that it gets a score 91,89 % with very valid criteria and information does not need revision. The results of this educator response are relate to the ease and usefulness of the counting box media by looking at the learning outcomes of students using the cunting box media for the substraction work process. With this explanation, it can be concluded that the effectiveness counting box media is used in increasing the ability to reduce students dyscalculia