Addition Worksheet

Solve.

1 a. 30 + ______ + 4 + 90 = 126
1 b. 50 + ______ + 9 + 70 = 135
2 a. 30 + 6 + 7 + ______ = 73
2 b. 50 + 2 + ______ + 20 = 79
3 a. ______ + 70 + 4 + 8 = 132
3 b. 10 + 50 + 9 + ______ = 71
4 a. ______ + 7 + 4 + 70 = 111
4 b. 5 + 6 + 10 + ______ = 51
5 a. 20 + ______ + 6 + 2 = 38
5 b. 10 + 30 + ______ + 6 = 50
6 a. ______ + 2 + 4 + 50 = 76
6 b. 5 + ______ + 90 + 40 = 140
7 a. 4 + 4 + 90 + ______ = 118
7 b. ______ + 10 + 2 + 8 = 60
Page 2

Answer Key

1 a. 2    
1 b. 6    
2 a. 30    
2 b. 7    
3 a. 50    
3 b. 2    
4 a. 30    
4 b. 30    
5 a. 10    
5 b. 4    
6 a. 20    
6 b. 5    
7 a. 20    
7 b. 40    


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