Addition Worksheet

Solve.

1 a. _________ + 9 = 659
 
1 b. 743 + _________ = 833
 
2 a. 70 + _________ = 741
 
2 b. 285 + _________ = 287
 
3 a. _________ + 461 = 468
 
3 b. 237 + _________ = 437
 
4 a. _________ + 602 = 611
 
4 b. _________ + 603 = 608
 
5 a. _________ + 672 = 742
 
5 b. _________ + 30 = 458
 
6 a. _________ + 50 = 579
 
6 b. 60 + _________ = 760
 
7 a. 20 + _________ = 781
 
7 b. _________ + 2 = 523
 
8 a. 60 + _________ = 898
 
8 b. 118 + ______ = 120
 
9 a. 80 + _________ = 629
 
9 b. 387 + _________ = 395
 
10 a. 541 + _________ = 741
 
10 b. 10 + _________ = 283
 
Page 2

Answer Key

1 a. 650    
1 b. 90    
2 a. 671    
2 b. 2    
3 a. 7    
3 b. 200    
4 a. 9    
4 b. 5    
5 a. 70    
5 b. 428    
6 a. 529    
6 b. 700    
7 a. 761    
7 b. 521    
8 a. 838    
8 b. 2    
9 a. 549    
9 b. 8    
10 a. 200    
10 b. 273    


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