Addition Worksheet

Solve.

1 a. _________ + 700 = 800
1 b. 300 + _________ = 1300
2 a. _________ + 1000 = 1000
2 b. 800 + _________ = 900
3 a. 400 + _________ = 900
3 b. _________ + 700 = 900
4 a. 600 + _________ = 700
4 b. 0 + _________ = 600
5 a. _________ + 400 = 400
5 b. _________ + 500 = 1000
6 a. 300 + _________ = 600
6 b. _________ + 1000 = 1700
7 a. _________ + 800 = 1500
7 b. 600 + _________ = 1500
8 a. 200 + _________ = 1000
8 b. _________ + 700 = 1000
9 a. 100 + _________ = 800
9 b. _________ + 300 = 1300
10 a. 1000 + _________ = 1700
10 b. 400 + _________ = 1300
Page 2

Answer Key

1 a. 100    
1 b. 1000    
2 a. 0    
2 b. 100    
3 a. 500    
3 b. 200    
4 a. 100    
4 b. 600    
5 a. 0    
5 b. 500    
6 a. 300    
6 b. 700    
7 a. 700    
7 b. 900    
8 a. 800    
8 b. 300    
9 a. 700    
9 b. 1000    
10 a. 700    
10 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