Addition Worksheet

Solve.

1 a. 610 + 30 = ________
1 b. 920 + 20 = ________
2 a. 520 + 20 = ________
2 b. 730 + 50 = ________
3 a. 360 + 10 = ________
3 b. 130 + 20 = ________
4 a. 230 + 40 = ________
4 b. 150 + 0 = ________
5 a. 530 + 10 = ________
5 b. 830 + 0 = ________
6 a. 700 + 70 = ________
6 b. 930 + 20 = ________
7 a. 240 + 30 = ________
7 b. 310 + 40 = ________
8 a. 700 + 80 = ________
8 b. 440 + 30 = ________
9 a. 120 + 70 = ________
9 b. 410 + 30 = ________
10 a. 610 + 60 = ________
10 b. 870 + 20 = ________
Page 2

Answer Key

1 a. 640    
1 b. 940    
2 a. 540    
2 b. 780    
3 a. 370    
3 b. 150    
4 a. 270    
4 b. 150    
5 a. 540    
5 b. 830    
6 a. 770    
6 b. 950    
7 a. 270    
7 b. 350    
8 a. 780    
8 b. 470    
9 a. 190    
9 b. 440    
10 a. 670    
10 b. 890    


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