Addition Worksheet

Solve.

1 a. 257 + 20 = ________
1 b. 140 + 30 = ________
2 a. 105 + 40 = ________
2 b. 523 + 20 = ________
3 a. 332 + 10 = ________
3 b. 240 + 50 = ________
4 a. 318 + 10 = ________
4 b. 611 + 30 = ________
5 a. 160 + 30 = ________
5 b. 725 + 30 = ________
6 a. 402 + 80 = ________
6 b. 224 + 40 = ________
7 a. 336 + 50 = ________
7 b. 956 + 10 = ________
8 a. 745 + 40 = ________
8 b. 145 + 20 = ________
9 a. 848 + 50 = ________
9 b. 817 + 60 = ________
10 a. 376 + 20 = ________
10 b. 606 + 60 = ________
Page 2

Answer Key

1 a. 277    
1 b. 170    
2 a. 145    
2 b. 543    
3 a. 342    
3 b. 290    
4 a. 328    
4 b. 641    
5 a. 190    
5 b. 755    
6 a. 482    
6 b. 264    
7 a. 386    
7 b. 966    
8 a. 785    
8 b. 165    
9 a. 898    
9 b. 877    
10 a. 396    
10 b. 666    


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