Addition Worksheet

Solve.

1 a. 830 + 30 = ________
1 b. 240 + 30 = ________
2 a. 660 + 30 = ________
2 b. 650 + 10 = ________
3 a. 410 + 40 = ________
3 b. 250 + 20 = ________
4 a. 670 + 20 = ________
4 b. 620 + 40 = ________
5 a. 810 + 30 = ________
5 b. 640 + 10 = ________
6 a. 610 + 80 = ________
6 b. 560 + 20 = ________
7 a. 900 + 10 = ________
7 b. 200 + 40 = ________
8 a. 710 + 70 = ________
8 b. 710 + 20 = ________
9 a. 160 + 10 = ________
9 b. 700 + 40 = ________
10 a. 830 + 40 = ________
10 b. 600 + 30 = ________
Page 2

Answer Key

1 a. 860    
1 b. 270    
2 a. 690    
2 b. 660    
3 a. 450    
3 b. 270    
4 a. 690    
4 b. 660    
5 a. 840    
5 b. 650    
6 a. 690    
6 b. 580    
7 a. 910    
7 b. 240    
8 a. 780    
8 b. 730    
9 a. 170    
9 b. 740    
10 a. 870    
10 b. 630    


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