Addition Worksheet

Solve.

1 a. 334 + 10 = ________
1 b. 351 + 40 = ________
2 a. 440 + 0 = ________
2 b. 347 + 30 = ________
3 a. 408 + 50 = ________
3 b. 179 + 20 = ________
4 a. 468 + 10 = ________
4 b. 604 + 20 = ________
5 a. 136 + 40 = ________
5 b. 853 + 30 = ________
6 a. 339 + 20 = ________
6 b. 873 + 10 = ________
7 a. 212 + 50 = ________
7 b. 330 + 40 = ________
8 a. 416 + 50 = ________
8 b. 456 + 40 = ________
9 a. 101 + 50 = ________
9 b. 621 + 60 = ________
10 a. 104 + 70 = ________
10 b. 335 + 30 = ________
Page 2

Answer Key

1 a. 344    
1 b. 391    
2 a. 440    
2 b. 377    
3 a. 458    
3 b. 199    
4 a. 478    
4 b. 624    
5 a. 176    
5 b. 883    
6 a. 359    
6 b. 883    
7 a. 262    
7 b. 370    
8 a. 466    
8 b. 496    
9 a. 151    
9 b. 681    
10 a. 174    
10 b. 365    


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