Abstract. Based on the observation, the children are lack of the ability to recognize the concept of numbers, children are not able to demonstrate the concept or symbol of numbers 1-10, the children are still incorrectly in using the symbol concept of numbers 1-10 are shown randomly, the children are still incorrectly in using the symbol of numbers that similar such as number 2 is called number 5, number 6 is called number 9. If states without the concept or symbol of number in children aged 4-5 years through playing cards illustrated in figures did in December with 15 children consist of 8 girls and 7 boys. The method used is classroom action research (PTK). The implementation of this research involves peers as an observer or observation. The stages of the research are: planning, implementation, observation, and reflection. The result of the research showed that playing number cards can improve the ability to know the concept of the symbol of number for children aged 4-5 years in Kindergarten Amanah Bunda Kecamatan Tanjung Medan Kabupaten Rokan Hilir. Increasing numbers of children recognize the concept of symbol about 22.60% in the first cycle, the second cycle about 62.04% and 98.67% for the third cycle. Keywords: symbol of numbers, numbers card picture. Keyword: To know the concept of numbers by using number card
                        
                        
                        
                        
                            
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