Addition Worksheet

Solve.

1 a. ______ + 16 = 100
1 b. ______ + 81 = 100
2 a. ______ + 41 = 100
2 b. 44 + ______ = 100
3 a. 89 + ______ = 100
3 b. 74 + ______ = 100
4 a. ______ + 50 = 100
4 b. 62 + ______ = 100
5 a. 52 + ______ = 100
5 b. 37 + ______ = 100
6 a. ______ + 14 = 100
6 b. 1 + ______ = 100
7 a. ______ + 75 = 100
7 b. 16 + ______ = 100
8 a. 32 + ______ = 100
8 b. ______ + 15 = 100
9 a. 65 + ______ = 100
9 b. ______ + 73 = 100
10 a. ______ + 48 = 100
10 b. 35 + ______ = 100
Page 2

Answer Key

1 a. 84    
1 b. 19    
2 a. 59    
2 b. 56    
3 a. 11    
3 b. 26    
4 a. 50    
4 b. 38    
5 a. 48    
5 b. 63    
6 a. 86    
6 b. 99    
7 a. 25    
7 b. 84    
8 a. 68    
8 b. 85    
9 a. 35    
9 b. 27    
10 a. 52    
10 b. 65    


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