Addition Worksheet

Solve.

1 a. 185 + _________ = 300
 
 
1 b. _________ + 54 = 800
 
 
2 a. 349 + _________ = 600
 
 
2 b. 521 + _________ = 900
 
 
3 a. _________ + 732 = 900
 
 
3 b. _________ + 138 = 900
 
 
4 a. _________ + 658 = 900
 
 
4 b. 128 + _________ = 500
 
 
5 a. 650 + _________ = 900
 
 
5 b. _________ + 73 = 300
 
 
6 a. 54 + _________ = 600
 
 
6 b. 660 + _________ = 700
 
 
7 a. 483 + _________ = 900
 
 
7 b. _________ + 888 = 1000
 
 
8 a. 537 + _________ = 1000
 
 
8 b. 840 + _________ = 900
 
 
9 a. _________ + 530 = 1000
 
 
9 b. _________ + 55 = 900
 
 
10 a. _________ + 0 = 800
 
 
10 b. _________ + 851 = 900
 
 
Page 2

Answer Key

1 a. 115    
1 b. 746    
2 a. 251    
2 b. 379    
3 a. 168    
3 b. 762    
4 a. 242    
4 b. 372    
5 a. 250    
5 b. 227    
6 a. 546    
6 b. 40    
7 a. 417    
7 b. 112    
8 a. 463    
8 b. 60    
9 a. 470    
9 b. 845    
10 a. 800    
10 b. 49    


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