Addition Worksheet

Solve.

1 a. ______ + 17 = 100
1 b. 74 + ______ = 100
2 a. 78 + ______ = 100
2 b. 31 + ______ = 100
3 a. ______ + 28 = 100
3 b. ______ + 84 = 100
4 a. 20 + ______ = 100
4 b. ______ + 6 = 100
5 a. ______ + 2 = 100
5 b. ______ + 60 = 100
6 a. ______ + 72 = 100
6 b. 82 + ______ = 100
7 a. 19 + ______ = 100
7 b. 14 + ______ = 100
8 a. ______ + 96 = 100
8 b. ______ + 14 = 100
9 a. 95 + ______ = 100
9 b. ______ + 67 = 100
10 a. 24 + ______ = 100
10 b. 72 + ______ = 100
Page 2

Answer Key

1 a. 83    
1 b. 26    
2 a. 22    
2 b. 69    
3 a. 72    
3 b. 16    
4 a. 80    
4 b. 94    
5 a. 98    
5 b. 40    
6 a. 28    
6 b. 18    
7 a. 81    
7 b. 86    
8 a. 4    
8 b. 86    
9 a. 5    
9 b. 33    
10 a. 76    
10 b. 28    


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