Addition Worksheet

Solve.

1 a. _________ + 913 = 919
1 b. 5 + _________ = 584
2 a. ______ + 125 = 131
2 b. _________ + 3 = 549
3 a. 4 + _________ = 599
3 b. _________ + 4 = 745
4 a. 4 + _________ = 669
4 b. 904 + _________ = 910
5 a. _________ + 5 = 574
5 b. _________ + 2 = 629
6 a. _________ + 249 = 254
6 b. _________ + 778 = 783
7 a. 2 + _________ = 262
7 b. 365 + _________ = 371
8 a. 9 + _________ = 548
8 b. _________ + 9 = 879
9 a. 936 + _________ = 938
9 b. 6 + _________ = 445
10 a. 4 + _________ = 693
10 b. 255 + _________ = 259
Page 2

Answer Key

1 a. 6    
1 b. 579    
2 a. 6    
2 b. 546    
3 a. 595    
3 b. 741    
4 a. 665    
4 b. 6    
5 a. 569    
5 b. 627    
6 a. 5    
6 b. 5    
7 a. 260    
7 b. 6    
8 a. 539    
8 b. 870    
9 a. 2    
9 b. 439    
10 a. 689    
10 b. 4    


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