Addition Worksheet

Solve.

1 a. 10 + 90 + 3 + ______ = 107
1 b. 5 + 9 + 20 + ______ = 84
2 a. 50 + ______ + 8 + 70 = 134
2 b. 3 + 30 + 6 + ______ = 59
3 a. 40 + ______ + 9 + 60 = 113
3 b. 5 + 6 + 20 + ______ = 71
4 a. 10 + 8 + ______ + 70 = 94
4 b. ______ + 9 + 6 + 80 = 135
5 a. 40 + 50 + ______ + 5 = 99
5 b. 20 + 8 + 3 + ______ = 91
6 a. ______ + 10 + 9 + 7 = 46
6 b. 30 + 5 + ______ + 80 = 123
7 a. 50 + 2 + ______ + 40 = 94
7 b. 30 + ______ + 7 + 40 = 83
Page 2

Answer Key

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


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