Addition Worksheet

Solve.

1 a. _________ + 0 + 1 = 701
 
1 b. 40 + _________ + 700 = 743
 
2 a. 0 + 600 + _________ = 660
 
2 b. 5 + 0 + _________ = 505
 
3 a. 8 + _________ + 900 = 948
 
3 b. _________ + 7 + 800 = 897
 
4 a. 1 + 0 + ______ = 101
 
4 b. 5 + _________ + 90 = 895
 
5 a. _________ + 90 + 2 = 892
 
5 b. 7 + _________ + 300 = 357
 
6 a. _________ + 80 + 7 = 687
 
6 b. 0 + _________ + 600 = 620
 
7 a. _________ + 8 + 800 = 898
 
7 b. _________ + 30 + 500 = 538
 
8 a. 9 + 70 + _________ = 979
 
8 b. 0 + 50 + ______ = 150
 
Page 2

Answer Key

1 a. 700    
1 b. 3    
2 a. 60    
2 b. 500    
3 a. 40    
3 b. 90    
4 a. 100    
4 b. 800    
5 a. 800    
5 b. 50    
6 a. 600    
6 b. 20    
7 a. 90    
7 b. 8    
8 a. 900    
8 b. 100    


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