Addition Worksheet

Solve.

1 a. ______ + 5 = 50
1 b. 89 + ______ = 90
2 a. 97 + ______ = 100
2 b. ______ + 2 = 100
3 a. ______ + 6 = 50
3 b. 26 + ______ = 30
4 a. ______ + 4 = 20
4 b. ______ + 3 = 80
5 a. 81 + ______ = 90
5 b. 72 + ______ = 80
6 a. 86 + ______ = 90
6 b. 15 + ______ = 20
7 a. 29 + ______ = 30
7 b. ______ + 9 = 70
8 a. 85 + ______ = 90
8 b. 53 + ______ = 60
Page 2

Answer Key

1 a. 45    
1 b. 1    
2 a. 3    
2 b. 98    
3 a. 44    
3 b. 4    
4 a. 16    
4 b. 77    
5 a. 9    
5 b. 8    
6 a. 4    
6 b. 5    
7 a. 1    
7 b. 61    
8 a. 5    
8 b. 7    


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