Addition Worksheet

Solve.

1 a. 430 + 10 = ________
1 b. 800 + 20 = ________
2 a. 730 + 30 = ________
2 b. 660 + 20 = ________
3 a. 610 + 10 = ________
3 b. 730 + 60 = ________
4 a. 110 + 60 = ________
4 b. 620 + 40 = ________
5 a. 340 + 30 = ________
5 b. 100 + 50 = ________
6 a. 910 + 50 = ________
6 b. 650 + 20 = ________
7 a. 770 + 10 = ________
7 b. 250 + 40 = ________
8 a. 500 + 60 = ________
8 b. 900 + 90 = ________
9 a. 820 + 40 = ________
9 b. 340 + 40 = ________
10 a. 470 + 20 = ________
10 b. 440 + 50 = ________
Page 2

Answer Key

1 a. 440    
1 b. 820    
2 a. 760    
2 b. 680    
3 a. 620    
3 b. 790    
4 a. 170    
4 b. 660    
5 a. 370    
5 b. 150    
6 a. 960    
6 b. 670    
7 a. 780    
7 b. 290    
8 a. 560    
8 b. 990    
9 a. 860    
9 b. 380    
10 a. 490    
10 b. 490    


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