Addition Worksheet

Solve.

1 a. 400 + _________ = 1300
 
1 b. 0 + _________ = 600
 
2 a. 800 + _________ = 1200
 
2 b. 700 + _________ = 1500
 
3 a. _________ + 1000 = 1100
 
3 b. 900 + _________ = 1800
 
4 a. 100 + _________ = 500
 
4 b. 400 + _________ = 400
 
5 a. _________ + 100 = 1100
 
5 b. 600 + _________ = 1200
 
6 a. _________ + 0 = 1000
 
6 b. 500 + _________ = 1200
 
7 a. _________ + 1000 = 1800
 
7 b. 700 + _________ = 1000
 
8 a. _________ + 600 = 1500
 
8 b. _________ + 1000 = 1300
 
Page 2

Answer Key

1 a. 900    
1 b. 600    
2 a. 400    
2 b. 800    
3 a. 100    
3 b. 900    
4 a. 400    
4 b. 0    
5 a. 1000    
5 b. 600    
6 a. 1000    
6 b. 700    
7 a. 800    
7 b. 300    
8 a. 900    
8 b. 300    


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