Addition Worksheet

Solve.

1 a. 8 + 2 + 10 + ______ = 30
1 b. 6 + 4 + 40 + ______ = 70
2 a. 30 + 10 + ______ + 5 = 48
2 b. 30 + 60 + ______ + 6 = 104
3 a. 10 + ______ + 5 + 8 = 83
3 b. 40 + ______ + 9 + 50 = 108
4 a. 10 + 4 + ______ + 30 = 46
4 b. 30 + ______ + 2 + 70 = 110
5 a. 50 + 60 + ______ + 4 = 120
5 b. 70 + 50 + 4 + ______ = 131
6 a. 30 + 90 + 7 + ______ = 131
6 b. 70 + 20 + ______ + 9 = 103
7 a. 30 + 50 + 5 + ______ = 88
7 b. ______ + 5 + 20 + 10 = 38
Page 2

Answer Key

1 a. 10    
1 b. 20    
2 a. 3    
2 b. 8    
3 a. 60    
3 b. 9    
4 a. 2    
4 b. 8    
5 a. 6    
5 b. 7    
6 a. 4    
6 b. 4    
7 a. 3    
7 b. 3    


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