Addition Worksheet

Solve.

1 a. 453 + _________ = 456
1 b. 801 + _________ = 803
2 a. 613 + _________ = 621
2 b. 9 + _________ = 371
3 a. 1 + _________ = 433
3 b. 693 + _________ = 702
4 a. 3 + _________ = 587
4 b. _________ + 940 = 944
5 a. 717 + _________ = 725
5 b. 8 + _________ = 520
6 a. 625 + _________ = 631
6 b. 192 + ______ = 199
7 a. _________ + 1 = 630
7 b. ______ + 174 = 176
8 a. 500 + _________ = 501
8 b. _________ + 746 = 751
9 a. 496 + _________ = 497
9 b. _________ + 6 = 651
10 a. 901 + _________ = 903
10 b. _________ + 266 = 270
Page 2

Answer Key

1 a. 3    
1 b. 2    
2 a. 8    
2 b. 362    
3 a. 432    
3 b. 9    
4 a. 584    
4 b. 4    
5 a. 8    
5 b. 512    
6 a. 6    
6 b. 7    
7 a. 629    
7 b. 2    
8 a. 1    
8 b. 5    
9 a. 1    
9 b. 645    
10 a. 2    
10 b. 4    


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