Addition Worksheet

Solve.

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

Answer Key

1 a. 1500    
1 b. 1100    
2 a. 1100    
2 b. 500    
3 a. 1100    
3 b. 1500    
4 a. 600    
4 b. 300    
5 a. 900    
5 b. 1000    
6 a. 400    
6 b. 1300    
7 a. 1400    
7 b. 800    
8 a. 1700    
8 b. 1400    
9 a. 1000    
9 b. 1200    
10 a. 800    
10 b. 1700    


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 Maria Miller / HomeschoolMath.net free worksheets