Students who have difficulty in Mathematics can be classified as dyscalculia. The type of difficulty Mathematics (dyscalculia) actually consists of a combination of dyslexia and increment. Akalkulia refers to the problem faced by children who cannot perform operations involving numbers and mathematical symbols. Therefore, this study focuses on the use of the Game Cards as a tool and material to help increase the mastery of addition concepts among dyscalculia pupils. The population of study is Year 6 Cempaka students from the Sekolah Program Pendidikan Khas Integrasi (PPKI) Sekolah Kebangsaaan Pekan Beaufort, Sabah. Four pupils from the population were taken as samples in this study. This study is a Action Research which uses qualitative design research types. The data collection method used is the collection of pre-post test scores, observations and document analysis of pupils’ answers. The results of the analysis show that the use of the Game Cards has a positive impact on the ability to master of addition concepts among pupils on the effectiveness of teaching and learning sessions in theclassroom.
dyscalculia, PPKI, game cards, the mastery of addition concept, tools or teaching aids