Addition Worksheet

Solve.

1 a. _________ + 106 = 600
 
 
1 b. 609 + _________ = 800
 
 
2 a. _________ + 467 = 700
 
 
2 b. _________ + 183 = 600
 
 
3 a. _________ + 80 = 600
 
 
3 b. 160 + _________ = 700
 
 
4 a. 566 + _________ = 700
 
 
4 b. 739 + _________ = 800
 
 
5 a. 309 + _________ = 700
 
 
5 b. _________ + 56 = 200
 
 
6 a. _________ + 580 = 900
 
 
6 b. _________ + 209 = 300
 
 
7 a. 82 + _________ = 700
 
 
7 b. _________ + 818 = 900
 
 
8 a. _________ + 365 = 500
 
 
8 b. _________ + 115 = 800
 
 
9 a. _________ + 236 = 500
 
 
9 b. _________ + 35 = 300
 
 
10 a. _________ + 203 = 800
 
 
10 b. _________ + 15 = 700
 
 
Page 2

Answer Key

1 a. 494    
1 b. 191    
2 a. 233    
2 b. 417    
3 a. 520    
3 b. 540    
4 a. 134    
4 b. 61    
5 a. 391    
5 b. 144    
6 a. 320    
6 b. 91    
7 a. 618    
7 b. 82    
8 a. 135    
8 b. 685    
9 a. 264    
9 b. 265    
10 a. 597    
10 b. 685    


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