Addition Worksheet

Solve.

1 a. 9 + 50 + _________ = 559
 
1 b. 0 + 50 + _________ = 850
 
2 a. 200 + 30 + _________ = 236
 
2 b. 5 + _________ + 700 = 765
 
3 a. 6 + 0 + _________ = 206
 
3 b. 7 + 60 + _________ = 767
 
4 a. 2 + 300 + _________ = 322
 
4 b. _________ + 90 + 100 = 198
 
5 a. _________ + 30 + 100 = 137
 
5 b. _________ + 20 + 400 = 428
 
6 a. 4 + 80 + _________ = 184
 
6 b. 9 + 50 + _________ = 159
 
7 a. 7 + _________ + 700 = 767
 
7 b. 5 + _________ + 200 = 265
 
8 a. _________ + 50 + 600 = 651
 
8 b. 0 + _________ + 0 = 800
 
Page 2

Answer Key

1 a. 500    
1 b. 800    
2 a. 6    
2 b. 60    
3 a. 200    
3 b. 700    
4 a. 20    
4 b. 8    
5 a. 7    
5 b. 8    
6 a. 100    
6 b. 100    
7 a. 60    
7 b. 60    
8 a. 1    
8 b. 800    


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