The Effectiveness of “Kantong Bilangan” Media Improving The Ability to Recognize Value of Place for Children With Discalculia

This research has done based problem at SD Negeri 03 Binuang Kampung Dalam, Padang. The purpose of this research is to test the use of “kantong bilangan” media. It can know the ability to recognize place values for 4th-grade children with dyscalculia. This research uses a quantitative approach and this research used Single Subject Research (SSR) method with an A-B-A design. A1 is an early condition, or before the intervention, B is intervention, A2 is a condition when children have no longer in intervention. Data collection method with test. The subject of this research is a 4th-grade children at SD Negeri 03 Binuang Kampung Dalam, Padang. The result of this research is to use kantong bilangan media, which can know the ability to recognize place values for children with dyscalculia. Data analysis carried out through analysis in condition. This can be seen from the score children with dyscalculia on baseline A1 is mean score 27,6, and then intervention is mean 60,75, and finally, baseline A2 is mean 91,25. The use of kantong bilangan media has the effect of increasing the place value ability of children with dyscalculia.