Addition Worksheet

Solve.

1 a. 2 + 4 + 40 + ______ = 66
1 b. 4 + ______ + 9 + 50 = 83
2 a. 2 + 50 + ______ + 50 = 106
2 b. 7 + 70 + 8 + ______ = 95
3 a. 50 + ______ + 8 + 4 = 72
3 b. ______ + 2 + 2 + 50 = 104
4 a. 6 + 8 + 20 + ______ = 54
4 b. 10 + 5 + 6 + ______ = 41
5 a. 4 + 4 + ______ + 20 = 108
5 b. 60 + ______ + 4 + 4 = 108
6 a. 20 + ______ + 2 + 2 = 84
6 b. 30 + 2 + 2 + ______ = 84
7 a. ______ + 8 + 9 + 90 = 157
7 b. 20 + 40 + 3 + ______ = 69
Page 2

Answer Key

1 a. 20    
1 b. 20    
2 a. 4    
2 b. 10    
3 a. 10    
3 b. 50    
4 a. 20    
4 b. 20    
5 a. 80    
5 b. 40    
6 a. 60    
6 b. 50    
7 a. 50    
7 b. 6    


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