Addition Worksheet

Solve.

1 a. 90 + ______ = 189
1 b. 10 + ______ = 34
2 a. 20 + ______ = 108
2 b. 60 + ______ = 77
3 a. 20 + ______ = 70
3 b. 60 + ______ = 99
4 a. 10 + ______ = 52
4 b. ______ + 41 = 81
5 a. 50 + ______ = 83
5 b. ______ + 50 = 63
6 a. ______ + 100 = 160
6 b. ______ + 70 = 140
7 a. 100 + ______ = 172
7 b. 30 + ______ = 106
8 a. 100 + ______ = 154
8 b. ______ + 27 = 117
9 a. ______ + 70 = 91
9 b. 28 + ______ = 58
10 a. ______ + 58 = 108
10 b. 100 + ______ = 130
Page 2

Answer Key

1 a. 99    
1 b. 24    
2 a. 88    
2 b. 17    
3 a. 50    
3 b. 39    
4 a. 42    
4 b. 40    
5 a. 33    
5 b. 13    
6 a. 60    
6 b. 70    
7 a. 72    
7 b. 76    
8 a. 54    
8 b. 90    
9 a. 21    
9 b. 30    
10 a. 50    
10 b. 30    


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