Addition Worksheet

Solve.

1 a. 331 + 50 = ________
1 b. 137 + 40 = ________
2 a. 423 + 70 = ________
2 b. 441 + 30 = ________
3 a. 246 + 40 = ________
3 b. 589 + 10 = ________
4 a. 329 + 10 = ________
4 b. 256 + 40 = ________
5 a. 353 + 30 = ________
5 b. 214 + 50 = ________
6 a. 835 + 20 = ________
6 b. 320 + 60 = ________
7 a. 323 + 30 = ________
7 b. 665 + 20 = ________
8 a. 147 + 50 = ________
8 b. 200 + 20 = ________
9 a. 118 + 40 = ________
9 b. 434 + 30 = ________
10 a. 326 + 70 = ________
10 b. 643 + 30 = ________
Page 2

Answer Key

1 a. 381    
1 b. 177    
2 a. 493    
2 b. 471    
3 a. 286    
3 b. 599    
4 a. 339    
4 b. 296    
5 a. 383    
5 b. 264    
6 a. 855    
6 b. 380    
7 a. 353    
7 b. 685    
8 a. 197    
8 b. 220    
9 a. 158    
9 b. 464    
10 a. 396    
10 b. 673    


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