Addition Worksheet

Solve.

1 a. 897 + _________ = 901
1 b. 584 + _________ = 592
2 a. _________ + 3 = 573
2 b. _________ + 2 = 392
3 a. _________ + 8 = 300
3 b. _________ + 721 = 724
4 a. _________ + 644 = 645
4 b. 2 + _________ = 811
5 a. 1 + _________ = 653
5 b. _________ + 226 = 232
6 a. 293 + _________ = 301
6 b. _________ + 5 = 355
7 a. 7 + ______ = 125
7 b. _________ + 6 = 275
8 a. 853 + _________ = 855
8 b. 1 + _________ = 291
9 a. 582 + _________ = 583
9 b. _________ + 584 = 591
10 a. 2 + _________ = 726
10 b. _________ + 977 = 985
Page 2

Answer Key

1 a. 4    
1 b. 8    
2 a. 570    
2 b. 390    
3 a. 292    
3 b. 3    
4 a. 1    
4 b. 809    
5 a. 652    
5 b. 6    
6 a. 8    
6 b. 350    
7 a. 118    
7 b. 269    
8 a. 2    
8 b. 290    
9 a. 1    
9 b. 7    
10 a. 724    
10 b. 8    


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