Development of mathematics manipulative for slow learner and dyscalculia student in elementary school by using Montessori's characteristic

Abstract

Mathematics has an abstract object of study. That's why many students have difficulty understanding Mathematics, especially for slow learners or dyscalculia. This research was conducted based on the needs analysis results at SD N Mertelu and SD Muhammadiyah Sagan Yogyakarta. This study aims to develop and determine the quality of mathematics teaching aids for slow learners and dyscalculia using Montessori media principles. This research method is research and development with research subjects, namely 4 grade III students with the characteristics of slow learner or dyscalculia. The instruments used in this study were questionnaires, interview guides, and observation guidelines. The results showed that mathematics teaching aids have the characteristics of Montessori manipulative, namely attractive, gradation, auto-education, auto-correction, contextual, and have a "very good"quality and suitable for use.