Addition Worksheet

Solve.

1 a. _________ + 10 = 978
1 b. ______ + 60 = 169
2 a. _________ + 80 = 983
2 b. ______ + 50 = 183
3 a. _________ + 30 = 392
3 b. _________ + 20 = 285
4 a. _________ + 30 = 961
4 b. ______ + 50 = 185
5 a. _________ + 20 = 286
5 b. _________ + 20 = 284
6 a. _________ + 40 = 796
6 b. 209 + _________ = 219
7 a. 208 + _________ = 258
7 b. ______ + 10 = 128
8 a. _________ + 30 = 376
8 b. _________ + 30 = 483
9 a. 429 + _________ = 499
9 b. 234 + _________ = 284
10 a. 627 + _________ = 667
10 b. _________ + 30 = 796
Page 2

Answer Key

1 a. 968    
1 b. 109    
2 a. 903    
2 b. 133    
3 a. 362    
3 b. 265    
4 a. 931    
4 b. 135    
5 a. 266    
5 b. 264    
6 a. 756    
6 b. 10    
7 a. 50    
7 b. 118    
8 a. 346    
8 b. 453    
9 a. 70    
9 b. 50    
10 a. 40    
10 b. 766    

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