This study aims to determine whether there is an increase in the ability to recognize number symbols through concrete objects media in Deaf elementary school students in SLB A,B,D Negeri Kedungkandang The research method used is class action research with the use of concrete media. Based on the results of the study, it is stated that concrete media using decorative stones can be used to improve the ability to recognize number symbols in deaf children in SLB A,B,D Negeri Kedungkandang. This is evidenced by an increase in the learning outcomes test of the ability to recognize number symbols. Keywords: Deaf, class action research, concrete media
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