I have known Mr. Holt for 2 years. He is the pe teacher at Old Center Mr Holt is tall and he has gray hair. Mr Holt wears pe clothes. I especially like his shoes. He usually wears a whistle around his neck. Mr Holt does many things at our school.
How to Regroup Subtraction by Abril
First you must look at the ones place. Decide if it is larger than the number on top. If it is you must regroup the ones and tens.
Start by crossing out the 7. You are going to borrow a 10 from the 5. That means it will be 17. Since you borrowed from the 5 it becones a 4. Now you can subtract.