Addition Worksheet

Solve.

1 a. 330 + 30 = ________
1 b. 220 + 60 = ________
2 a. 910 + 20 = ________
2 b. 130 + 50 = ________
3 a. 420 + 10 = ________
3 b. 540 + 40 = ________
4 a. 210 + 50 = ________
4 b. 530 + 20 = ________
5 a. 750 + 20 = ________
5 b. 210 + 40 = ________
6 a. 720 + 20 = ________
6 b. 760 + 30 = ________
7 a. 210 + 20 = ________
7 b. 120 + 10 = ________
8 a. 850 + 30 = ________
8 b. 410 + 20 = ________
9 a. 310 + 80 = ________
9 b. 150 + 10 = ________
10 a. 500 + 70 = ________
10 b. 510 + 80 = ________
Page 2

Answer Key

1 a. 360    
1 b. 280    
2 a. 930    
2 b. 180    
3 a. 430    
3 b. 580    
4 a. 260    
4 b. 550    
5 a. 770    
5 b. 250    
6 a. 740    
6 b. 790    
7 a. 230    
7 b. 130    
8 a. 880    
8 b. 430    
9 a. 390    
9 b. 160    
10 a. 570    
10 b. 590    


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