Addition Worksheet

Solve.

1 a. _________ + 25 + 290 = 351
 
 
 
 
 
 
 
1 b. 44 + 42 + _________ = 452
 
 
 
 
 
 
 
2 a. 43 + 20 + _________ = 356
 
 
 
 
 
 
 
2 b. 55 + 44 + _________ = 424
 
 
 
 
 
 
 
3 a. _________ + 96 + 205 = 331
 
 
 
 
 
 
 
3 b. _________ + 71 + 230 = 315
 
 
 
 
 
 
 
4 a. _________ + 96 + 172 = 350
 
 
 
 
 
 
 
4 b. 77 + _________ + 397 = 529
 
 
 
 
 
 
 
Page 2

Answer Key

1 a. 36    
1 b. 366    
2 a. 293    
2 b. 325    
3 a. 30    
3 b. 14    
4 a. 82    
4 b. 55    


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