Addition Worksheet

Solve.

1 a. 7 + 9 + 90 + ______ = 116
1 b. 10 + ______ + 9 + 70 = 95
2 a. 30 + 4 + 8 + ______ = 92
2 b. 7 + 30 + 2 + ______ = 49
3 a. 40 + 20 + ______ + 6 = 70
3 b. 20 + 5 + 9 + ______ = 104
4 a. 50 + 20 + ______ + 8 = 80
4 b. 10 + 9 + ______ + 90 = 117
5 a. 30 + 10 + 4 + ______ = 52
5 b. ______ + 80 + 2 + 2 = 124
6 a. 5 + 3 + ______ + 10 = 98
6 b. 50 + 60 + ______ + 8 = 121
7 a. ______ + 4 + 10 + 10 = 30
7 b. 10 + 70 + ______ + 7 = 93
Page 2

Answer Key

1 a. 10    
1 b. 6    
2 a. 50    
2 b. 10    
3 a. 4    
3 b. 70    
4 a. 2    
4 b. 8    
5 a. 8    
5 b. 40    
6 a. 80    
6 b. 3    
7 a. 6    
7 b. 6    


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