Addition Worksheet

Solve.

1 a. 9 + 800 + 20 = ________
 
1 b. 1 + 0 + 600 = ________
 
2 a. 6 + 80 + 500 = ________
 
2 b. 6 + 20 + 600 = ________
 
3 a. 300 + 70 + 0 = ________
 
3 b. 3 + 70 + 600 = ________
 
4 a. 1 + 30 + 100 = ________
 
4 b. 7 + 400 + 80 = ________
 
5 a. 1 + 30 + 200 = ________
 
5 b. 0 + 300 + 90 = ________
 
6 a. 5 + 900 + 40 = ________
 
6 b. 20 + 5 + 100 = ________
 
7 a. 5 + 0 + 400 = ________
 
7 b. 3 + 30 + 300 = ________
 
8 a. 6 + 20 + 500 = ________
 
8 b. 60 + 7 + 400 = ________
 
Page 2

Answer Key

1 a. 829    
1 b. 601    
2 a. 586    
2 b. 626    
3 a. 370    
3 b. 673    
4 a. 131    
4 b. 487    
5 a. 231    
5 b. 390    
6 a. 945    
6 b. 125    
7 a. 405    
7 b. 333    
8 a. 526    
8 b. 467    


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