Addition Worksheet

Solve.

1 a. 910 + 30 = ________
1 b. 730 + 30 = ________
2 a. 400 + 80 = ________
2 b. 440 + 50 = ________
3 a. 520 + 40 = ________
3 b. 630 + 30 = ________
4 a. 810 + 30 = ________
4 b. 230 + 30 = ________
5 a. 220 + 10 = ________
5 b. 210 + 50 = ________
6 a. 550 + 20 = ________
6 b. 330 + 0 = ________
7 a. 400 + 50 = ________
7 b. 750 + 30 = ________
8 a. 830 + 30 = ________
8 b. 150 + 40 = ________
9 a. 800 + 10 = ________
9 b. 150 + 10 = ________
10 a. 500 + 10 = ________
10 b. 650 + 30 = ________
Page 2

Answer Key

1 a. 940    
1 b. 760    
2 a. 480    
2 b. 490    
3 a. 560    
3 b. 660    
4 a. 840    
4 b. 260    
5 a. 230    
5 b. 260    
6 a. 570    
6 b. 330    
7 a. 450    
7 b. 780    
8 a. 860    
8 b. 190    
9 a. 810    
9 b. 160    
10 a. 510    
10 b. 680    


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