Addition Worksheet

Solve.

1 a. 11 + ______ = 111
1 b. 43 + ______ = 93
2 a. ______ + 60 = 80
2 b. ______ + 70 = 112
3 a. ______ + 55 = 105
3 b. ______ + 80 = 132
4 a. 60 + ______ = 145
4 b. ______ + 60 = 141
5 a. 24 + ______ = 94
5 b. 80 + ______ = 130
6 a. 33 + ______ = 113
6 b. ______ + 50 = 71
7 a. ______ + 20 = 112
7 b. ______ + 55 = 145
8 a. 54 + ______ = 104
8 b. 29 + ______ = 49
9 a. ______ + 20 = 50
9 b. ______ + 82 = 142
10 a. ______ + 26 = 116
10 b. ______ + 83 = 143
Page 2

Answer Key

1 a. 100    
1 b. 50    
2 a. 20    
2 b. 42    
3 a. 50    
3 b. 52    
4 a. 85    
4 b. 81    
5 a. 70    
5 b. 50    
6 a. 80    
6 b. 21    
7 a. 92    
7 b. 90    
8 a. 50    
8 b. 20    
9 a. 30    
9 b. 60    
10 a. 90    
10 b. 60    


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