Addition Worksheet

Solve.

1 a. 400 + _________ = 1400
 
1 b. 0 + _________ = 400
 
2 a. 900 + _________ = 1600
 
2 b. 500 + _________ = 800
 
3 a. 900 + _________ = 1700
 
3 b. 1000 + _________ = 1700
 
4 a. 800 + _________ = 1800
 
4 b. _________ + 100 = 800
 
5 a. _________ + 800 = 1400
 
5 b. _________ + 300 = 300
 
6 a. 0 + ______ = 100
 
6 b. _________ + 200 = 1000
 
7 a. _________ + 1000 = 1600
 
7 b. _________ + 500 = 900
 
8 a. 800 + _________ = 1300
 
8 b. 300 + _________ = 1200
 
Page 2

Answer Key

1 a. 1000    
1 b. 400    
2 a. 700    
2 b. 300    
3 a. 800    
3 b. 700    
4 a. 1000    
4 b. 700    
5 a. 600    
5 b. 0    
6 a. 100    
6 b. 800    
7 a. 600    
7 b. 400    
8 a. 500    
8 b. 900    


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net