Addition Worksheet

Solve.

1 a. _________ + 90 = 495
1 b. 132 + ______ = 182
2 a. ______ + 20 = 167
2 b. _________ + 30 = 289
3 a. 104 + ______ = 154
3 b. _________ + 20 = 280
4 a. 226 + _________ = 286
4 b. 324 + _________ = 364
5 a. 836 + _________ = 866
5 b. 635 + _________ = 685
6 a. ______ + 10 = 143
6 b. 118 + ______ = 168
7 a. 418 + _________ = 498
7 b. 338 + _________ = 358
8 a. 429 + _________ = 449
8 b. 328 + _________ = 388
9 a. ______ + 0 = 169
9 b. _________ + 20 = 370
10 a. 462 + _________ = 482
10 b. 411 + _________ = 461
Page 2

Answer Key

1 a. 405    
1 b. 50    
2 a. 147    
2 b. 259    
3 a. 50    
3 b. 260    
4 a. 60    
4 b. 40    
5 a. 30    
5 b. 50    
6 a. 133    
6 b. 50    
7 a. 80    
7 b. 20    
8 a. 20    
8 b. 60    
9 a. 169    
9 b. 350    
10 a. 20    
10 b. 50    

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