Addition Worksheet

Solve.

1 a. 30 + ______ = 53
1 b. 70 + ______ = 168
2 a. ______ + 20 = 104
2 b. ______ + 90 = 108
3 a. 15 + ______ = 35
3 b. 61 + ______ = 101
4 a. ______ + 60 = 136
4 b. ______ + 70 = 151
5 a. ______ + 90 = 153
5 b. 60 + ______ = 104
6 a. 17 + ______ = 57
6 b. ______ + 91 = 141
7 a. 52 + ______ = 152
7 b. ______ + 90 = 146
8 a. 80 + ______ = 156
8 b. 10 + ______ = 85
9 a. ______ + 50 = 66
9 b. 20 + ______ = 50
10 a. 60 + ______ = 115
10 b. 39 + ______ = 49
Page 2

Answer Key

1 a. 23    
1 b. 98    
2 a. 84    
2 b. 18    
3 a. 20    
3 b. 40    
4 a. 76    
4 b. 81    
5 a. 63    
5 b. 44    
6 a. 40    
6 b. 50    
7 a. 100    
7 b. 56    
8 a. 76    
8 b. 75    
9 a. 16    
9 b. 30    
10 a. 55    
10 b. 10    


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