Addition Worksheet

Solve.

1 a. 4 + 2 + 40 + ______ = 96
1 b. 6 + 50 + 4 + ______ = 100
2 a. 20 + ______ + 8 + 8 = 106
2 b. ______ + 20 + 4 + 7 = 41
3 a. 30 + 70 + 7 + ______ = 115
3 b. 7 + 10 + 6 + ______ = 33
4 a. 50 + 5 + 5 + ______ = 90
4 b. 30 + ______ + 9 + 40 = 87
5 a. 10 + 40 + ______ + 2 = 59
5 b. ______ + 20 + 4 + 6 = 60
6 a. 9 + 70 + 7 + ______ = 126
6 b. 30 + 40 + 8 + ______ = 80
7 a. 4 + ______ + 30 + 40 = 77
7 b. 20 + 10 + 2 + ______ = 41
Page 2

Answer Key

1 a. 50    
1 b. 40    
2 a. 70    
2 b. 10    
3 a. 8    
3 b. 10    
4 a. 30    
4 b. 8    
5 a. 7    
5 b. 30    
6 a. 40    
6 b. 2    
7 a. 3    
7 b. 9    


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