Addition Worksheet

Solve.

1 a. ______ + 44 = 144
1 b. ______ + 10 = 45
2 a. 70 + ______ = 164
2 b. ______ + 70 = 103
3 a. 30 + ______ = 92
3 b. ______ + 63 = 103
4 a. ______ + 70 = 142
4 b. ______ + 92 = 112
5 a. ______ + 20 = 67
5 b. 70 + ______ = 82
6 a. 40 + ______ = 120
6 b. ______ + 93 = 133
7 a. ______ + 20 = 120
7 b. ______ + 40 = 99
8 a. ______ + 40 = 101
8 b. ______ + 67 = 117
9 a. ______ + 100 = 199
9 b. 67 + ______ = 167
10 a. ______ + 31 = 51
10 b. ______ + 30 = 95
Page 2

Answer Key

1 a. 100    
1 b. 35    
2 a. 94    
2 b. 33    
3 a. 62    
3 b. 40    
4 a. 72    
4 b. 20    
5 a. 47    
5 b. 12    
6 a. 80    
6 b. 40    
7 a. 100    
7 b. 59    
8 a. 61    
8 b. 50    
9 a. 99    
9 b. 100    
10 a. 20    
10 b. 65    


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