Addition Worksheet

Solve.

1 a. 3 + 90 + 900 = ________
 
1 b. 0 + 70 + 700 = ________
 
2 a. 1 + 70 + 800 = ________
 
2 b. 3 + 20 + 100 = ________
 
3 a. 7 + 40 + 100 = ________
 
3 b. 200 + 40 + 0 = ________
 
4 a. 9 + 50 + 900 = ________
 
4 b. 600 + 80 + 1 = ________
 
5 a. 8 + 30 + 700 = ________
 
5 b. 3 + 70 + 500 = ________
 
6 a. 1 + 70 + 400 = ________
 
6 b. 5 + 500 + 50 = ________
 
7 a. 7 + 60 + 900 = ________
 
7 b. 40 + 1 + 400 = ________
 
8 a. 30 + 3 + 400 = ________
 
8 b. 8 + 800 + 10 = ________
 
Page 2

Answer Key

1 a. 993    
1 b. 770    
2 a. 871    
2 b. 123    
3 a. 147    
3 b. 240    
4 a. 959    
4 b. 681    
5 a. 738    
5 b. 573    
6 a. 471    
6 b. 555    
7 a. 967    
7 b. 441    
8 a. 433    
8 b. 818    


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