Addition Worksheet

Solve.

1 a. _________ + 322 = 400
 
 
1 b. _________ + 504 = 900
 
 
2 a. _________ + 188 = 900
 
 
2 b. 624 + _________ = 900
 
 
3 a. 192 + _________ = 700
 
 
3 b. _________ + 207 = 800
 
 
4 a. 914 + _________ = 1000
 
 
4 b. _________ + 91 = 800
 
 
5 a. 16 + _________ = 600
 
 
5 b. _________ + 574 = 1000
 
 
6 a. _________ + 56 = 900
 
 
6 b. _________ + 9 = 300
 
 
7 a. 417 + _________ = 1000
 
 
7 b. 657 + _________ = 800
 
 
8 a. 576 + _________ = 600
 
 
8 b. _________ + 544 = 600
 
 
9 a. _________ + 438 = 600
 
 
9 b. 596 + _________ = 900
 
 
10 a. _________ + 372 = 600
 
 
10 b. 106 + _________ = 200
 
 
Page 2

Answer Key

1 a. 78    
1 b. 396    
2 a. 712    
2 b. 276    
3 a. 508    
3 b. 593    
4 a. 86    
4 b. 709    
5 a. 584    
5 b. 426    
6 a. 844    
6 b. 291    
7 a. 583    
7 b. 143    
8 a. 24    
8 b. 56    
9 a. 162    
9 b. 304    
10 a. 228    
10 b. 94    


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