Addition Worksheet

Solve.

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

Answer Key

1 a. 1100    
1 b. 400    
2 a. 1100    
2 b. 200    
3 a. 1200    
3 b. 1100    
4 a. 1200    
4 b. 1000    
5 a. 1200    
5 b. 400    
6 a. 1400    
6 b. 900    
7 a. 1600    
7 b. 1100    
8 a. 900    
8 b. 1600    
9 a. 600    
9 b. 1500    
10 a. 700    
10 b. 2000    


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