Addition Worksheet

Solve.

1 a. 560 + 20 = ________
1 b. 570 + 0 = ________
2 a. 250 + 20 = ________
2 b. 600 + 20 = ________
3 a. 120 + 60 = ________
3 b. 140 + 50 = ________
4 a. 850 + 10 = ________
4 b. 940 + 40 = ________
5 a. 510 + 60 = ________
5 b. 330 + 10 = ________
6 a. 350 + 20 = ________
6 b. 630 + 10 = ________
7 a. 450 + 40 = ________
7 b. 230 + 50 = ________
8 a. 820 + 60 = ________
8 b. 230 + 40 = ________
9 a. 710 + 30 = ________
9 b. 170 + 20 = ________
10 a. 540 + 30 = ________
10 b. 160 + 30 = ________
Page 2

Answer Key

1 a. 580    
1 b. 570    
2 a. 270    
2 b. 620    
3 a. 180    
3 b. 190    
4 a. 860    
4 b. 980    
5 a. 570    
5 b. 340    
6 a. 370    
6 b. 640    
7 a. 490    
7 b. 280    
8 a. 880    
8 b. 270    
9 a. 740    
9 b. 190    
10 a. 570    
10 b. 190    


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