Addition Worksheet

Solve.

1 a. 60 + 20 + 2 + ______ = 85
1 b. 40 + 30 + ______ + 7 = 84
2 a. 40 + 20 + 6 + ______ = 69
2 b. 7 + 8 + 20 + ______ = 65
3 a. 6 + ______ + 6 + 40 = 102
3 b. 5 + 80 + 6 + ______ = 141
4 a. 40 + ______ + 7 + 9 = 106
4 b. 60 + 10 + 7 + ______ = 81
5 a. 40 + 20 + ______ + 2 = 71
5 b. 60 + 20 + 7 + ______ = 91
6 a. 4 + 60 + ______ + 30 = 101
6 b. ______ + 3 + 5 + 10 = 68
7 a. 10 + 2 + 9 + ______ = 91
7 b. 8 + 4 + 60 + ______ = 92
Page 2

Answer Key

1 a. 3    
1 b. 7    
2 a. 3    
2 b. 30    
3 a. 50    
3 b. 50    
4 a. 50    
4 b. 4    
5 a. 9    
5 b. 4    
6 a. 7    
6 b. 50    
7 a. 70    
7 b. 20    


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