Addition Worksheet

Solve.

1 a. 2 + _________ = 437
1 b. _________ + 4 = 982
2 a. ______ + 139 = 142
2 b. _________ + 542 = 549
3 a. 357 + _________ = 358
3 b. _________ + 1 = 910
4 a. _________ + 674 = 675
4 b. _________ + 8 = 429
5 a. _________ + 1 = 460
5 b. ______ + 142 = 143
6 a. 7 + _________ = 726
6 b. 4 + _________ = 257
7 a. _________ + 4 = 908
7 b. 7 + _________ = 984
8 a. 9 + ______ = 124
8 b. 8 + _________ = 963
9 a. 5 + _________ = 550
9 b. _________ + 4 = 858
10 a. 2 + _________ = 564
10 b. 388 + _________ = 395
Page 2

Answer Key

1 a. 435    
1 b. 978    
2 a. 3    
2 b. 7    
3 a. 1    
3 b. 909    
4 a. 1    
4 b. 421    
5 a. 459    
5 b. 1    
6 a. 719    
6 b. 253    
7 a. 904    
7 b. 977    
8 a. 115    
8 b. 955    
9 a. 545    
9 b. 854    
10 a. 562    
10 b. 7    


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