Addition Worksheet

Solve.

1 a. 100 + 50 = ________
1 b. 750 + 20 = ________
2 a. 210 + 70 = ________
2 b. 830 + 50 = ________
3 a. 330 + 10 = ________
3 b. 810 + 20 = ________
4 a. 820 + 50 = ________
4 b. 350 + 0 = ________
5 a. 470 + 0 = ________
5 b. 430 + 60 = ________
6 a. 680 + 10 = ________
6 b. 830 + 30 = ________
7 a. 520 + 70 = ________
7 b. 250 + 40 = ________
8 a. 440 + 20 = ________
8 b. 610 + 40 = ________
9 a. 140 + 40 = ________
9 b. 100 + 40 = ________
10 a. 530 + 30 = ________
10 b. 640 + 50 = ________
Page 2

Answer Key

1 a. 150    
1 b. 770    
2 a. 280    
2 b. 880    
3 a. 340    
3 b. 830    
4 a. 870    
4 b. 350    
5 a. 470    
5 b. 490    
6 a. 690    
6 b. 860    
7 a. 590    
7 b. 290    
8 a. 460    
8 b. 650    
9 a. 180    
9 b. 140    
10 a. 560    
10 b. 690    


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