Addition Worksheet

Solve.

1 a. _________ + 600 + 60 = 669
 
1 b. 1 + 500 + _________ = 541
 
2 a. _________ + 500 + 60 = 569
 
2 b. _________ + 6 + 400 = 426
 
3 a. 1 + 0 + _________ = 901
 
3 b. _________ + 80 + 200 = 284
 
4 a. ______ + 100 + 10 = 111
 
4 b. 50 + 4 + _________ = 354
 
5 a. _________ + 30 + 800 = 835
 
5 b. 4 + 0 + _________ = 404
 
6 a. 700 + 80 + _________ = 787
 
6 b. 8 + ______ + 100 = 128
 
7 a. _________ + 4 + 100 = 164
 
7 b. 80 + 3 + _________ = 283
 
8 a. 0 + _________ + 200 = 240
 
8 b. _________ + 0 + 600 = 603
 
Page 2

Answer Key

1 a. 9    
1 b. 40    
2 a. 9    
2 b. 20    
3 a. 900    
3 b. 4    
4 a. 1    
4 b. 300    
5 a. 5    
5 b. 400    
6 a. 7    
6 b. 20    
7 a. 60    
7 b. 200    
8 a. 40    
8 b. 3    


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