1. Three Digit Subtraction
Third Grade

2. Three Digit Subtraction
735
- 486

3. Begin on the right side in the ones place. Can you subtract 6 from 5?
735
- 486

4. Since you can’t subtract 6 from 5, you have to borrow from your neighbor.
735
- 486 2

5. Now you can add the ten that you borrowed to the 5 in the ones place making it a 15.
735
- 486 2 15

6. Now you are ready to subtract the ones place.
735
- 486 2 15 9

7. Now you are ready to move to the tens place.
735
- 486 2 15 9

8. Are you able to subtract 8 from 2?
735
- 486 2 15 9

9. Since you cannot subtract 8 from 2, you must borrow from the hundreds place.
735
- 486 6 2 15 9

10. Now take what you borrowed and give it to the number in the tens place.
735
- 486 12 6 15 9

11. Now you can subtract the tens place.
735
- 486 12 6 15 4 9

12. Now you can subtract the hundreds place.
735
- 486 12 6 15 9 2 4

13. Now you have your answer!
735
- 486 12 6 15
249