Addition Worksheet

Solve.

1 a. 40 + 80 + 9 + ______ = 136
1 b. 4 + ______ + 30 + 50 = 89
2 a. 9 + 5 + 30 + ______ = 84
2 b. 10 + 40 + 7 + ______ = 63
3 a. 30 + ______ + 2 + 7 = 99
3 b. 80 + ______ + 9 + 6 = 135
4 a. ______ + 70 + 9 + 10 = 97
4 b. ______ + 80 + 9 + 5 = 144
5 a. 50 + 10 + 5 + ______ = 73
5 b. 40 + 90 + 5 + ______ = 138
6 a. 6 + 5 + 90 + ______ = 151
6 b. 20 + 6 + 6 + ______ = 82
7 a. ______ + 10 + 2 + 3 = 35
7 b. ______ + 70 + 4 + 5 = 119
Page 2

Answer Key

1 a. 7    
1 b. 5    
2 a. 40    
2 b. 6    
3 a. 60    
3 b. 40    
4 a. 8    
4 b. 50    
5 a. 8    
5 b. 3    
6 a. 50    
6 b. 50    
7 a. 20    
7 b. 40    


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