Addition Worksheet

Solve.

1 a. _________ + 823 = 825
1 b. _________ + 2 = 304
2 a. _________ + 6 = 400
2 b. 685 + _________ = 689
3 a. 707 + _________ = 715
3 b. _________ + 9 = 337
4 a. 5 + ______ = 139
4 b. 1 + _________ = 668
5 a. _________ + 9 = 820
5 b. _________ + 3 = 711
6 a. _________ + 627 = 631
6 b. 2 + _________ = 979
7 a. _________ + 281 = 286
7 b. _________ + 318 = 324
8 a. 284 + _________ = 290
8 b. ______ + 7 = 170
9 a. 5 + _________ = 688
9 b. _________ + 6 = 555
10 a. 561 + _________ = 570
10 b. 759 + _________ = 766
Page 2

Answer Key

1 a. 2    
1 b. 302    
2 a. 394    
2 b. 4    
3 a. 8    
3 b. 328    
4 a. 134    
4 b. 667    
5 a. 811    
5 b. 708    
6 a. 4    
6 b. 977    
7 a. 5    
7 b. 6    
8 a. 6    
8 b. 163    
9 a. 683    
9 b. 549    
10 a. 9    
10 b. 7    


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