Addition Worksheet

Solve.

1 a. 58 + ______ = 100
1 b. 29 + ______ = 100
2 a. 43 + ______ = 100
2 b. 55 + ______ = 100
3 a. ______ + 37 = 100
3 b. ______ + 69 = 100
4 a. ______ + 90 = 100
4 b. 68 + ______ = 100
5 a. 93 + ______ = 100
5 b. ______ + 23 = 100
6 a. ______ + 92 = 100
6 b. 22 + ______ = 100
7 a. ______ + 30 = 100
7 b. ______ + 31 = 100
8 a. 59 + ______ = 100
8 b. 15 + ______ = 100
9 a. 13 + ______ = 100
9 b. 28 + ______ = 100
10 a. ______ + 53 = 100
10 b. 20 + ______ = 100
Page 2

Answer Key

1 a. 42    
1 b. 71    
2 a. 57    
2 b. 45    
3 a. 63    
3 b. 31    
4 a. 10    
4 b. 32    
5 a. 7    
5 b. 77    
6 a. 8    
6 b. 78    
7 a. 70    
7 b. 69    
8 a. 41    
8 b. 85    
9 a. 87    
9 b. 72    
10 a. 47    
10 b. 80    


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