Addition Worksheet

Solve.

1 a. 5 + 4 + ______ + 20 = 39
1 b. ______ + 2 + 5 + 20 = 67
2 a. ______ + 6 + 7 + 50 = 113
2 b. 3 + 9 + 60 + ______ = 102
3 a. 30 + 9 + ______ + 20 = 63
3 b. ______ + 50 + 8 + 2 = 110
4 a. 50 + 4 + ______ + 70 = 127
4 b. ______ + 30 + 6 + 5 = 61
5 a. 50 + 7 + 6 + ______ = 113
5 b. ______ + 10 + 6 + 50 = 68
6 a. 50 + 20 + 2 + ______ = 80
6 b. ______ + 40 + 4 + 30 = 79
7 a. 2 + ______ + 6 + 20 = 98
7 b. 2 + 3 + 60 + ______ = 115
Page 2

Answer Key

1 a. 10    
1 b. 40    
2 a. 50    
2 b. 30    
3 a. 4    
3 b. 50    
4 a. 3    
4 b. 20    
5 a. 50    
5 b. 2    
6 a. 8    
6 b. 5    
7 a. 70    
7 b. 50    


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