Addition Worksheet

Solve.

1 a. 600 + _________ = 700
1 b. _________ + 100 = 1100
2 a. _________ + 500 = 1000
2 b. 1000 + _________ = 1000
3 a. _________ + 700 = 1300
3 b. ______ + 0 = 100
4 a. 900 + _________ = 1200
4 b. _________ + 200 = 900
5 a. _________ + 600 = 1200
5 b. _________ + 300 = 700
6 a. 900 + _________ = 1000
6 b. _________ + 1000 = 1900
7 a. 700 + _________ = 1100
7 b. _________ + 0 = 700
8 a. _________ + 200 = 1200
8 b. 700 + _________ = 800
9 a. 0 + _________ = 200
9 b. _________ + 300 = 1000
10 a. 300 + _________ = 700
10 b. _________ + 100 = 600
Page 2

Answer Key

1 a. 100    
1 b. 1000    
2 a. 500    
2 b. 0    
3 a. 600    
3 b. 100    
4 a. 300    
4 b. 700    
5 a. 600    
5 b. 400    
6 a. 100    
6 b. 900    
7 a. 400    
7 b. 700    
8 a. 1000    
8 b. 100    
9 a. 200    
9 b. 700    
10 a. 400    
10 b. 500    


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