Addition Worksheet

Solve.

1 a. _________ + 423 = 430
1 b. 186 + ______ = 188
2 a. 8 + ______ = 118
2 b. _________ + 1 = 431
3 a. 226 + _________ = 232
3 b. _________ + 367 = 376
4 a. _________ + 9 = 598
4 b. _________ + 5 = 772
5 a. _________ + 9 = 752
5 b. 835 + _________ = 843
6 a. 948 + _________ = 949
6 b. _________ + 7 = 982
7 a. 715 + _________ = 720
7 b. _________ + 7 = 824
8 a. _________ + 934 = 941
8 b. 865 + _________ = 866
9 a. _________ + 712 = 719
9 b. 7 + _________ = 959
10 a. 1 + _________ = 980
10 b. _________ + 7 = 586
Page 2

Answer Key

1 a. 7    
1 b. 2    
2 a. 110    
2 b. 430    
3 a. 6    
3 b. 9    
4 a. 589    
4 b. 767    
5 a. 743    
5 b. 8    
6 a. 1    
6 b. 975    
7 a. 5    
7 b. 817    
8 a. 7    
8 b. 1    
9 a. 7    
9 b. 952    
10 a. 979    
10 b. 579    


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