Addition Worksheet

Solve.

1 a. _________ + 580 = 800
 
 
1 b. _________ + 415 = 800
 
 
2 a. 836 + _________ = 900
 
 
2 b. _________ + 323 = 1000
 
 
3 a. 4 + _________ = 500
 
 
3 b. _________ + 284 = 1000
 
 
4 a. 372 + _________ = 600
 
 
4 b. _________ + 62 = 200
 
 
5 a. _________ + 190 = 400
 
 
5 b. _________ + 66 = 200
 
 
6 a. _________ + 194 = 200
 
 
6 b. 719 + _________ = 800
 
 
7 a. _________ + 414 = 700
 
 
7 b. 477 + _________ = 800
 
 
8 a. 124 + _________ = 500
 
 
8 b. _________ + 688 = 700
 
 
9 a. 31 + _________ = 400
 
 
9 b. 158 + _________ = 900
 
 
10 a. _________ + 277 = 900
 
 
10 b. _________ + 376 = 400
 
 
Page 2

Answer Key

1 a. 220    
1 b. 385    
2 a. 64    
2 b. 677    
3 a. 496    
3 b. 716    
4 a. 228    
4 b. 138    
5 a. 210    
5 b. 134    
6 a. 6    
6 b. 81    
7 a. 286    
7 b. 323    
8 a. 376    
8 b. 12    
9 a. 369    
9 b. 742    
10 a. 623    
10 b. 24    


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