Question

What are you doing when you regroup?

1. Expanding the number to make it less.
2. Changing the value of the number.
3. Renaming the number and writing it in a different form.
4. Adding to the number.

Answer 1

When you regroup in mathematics, you are renaming the number and writing it in a different form. This process involves changing the place value of digits in a number to make calculations easier.

Step-by-step explanation:

When you regroup in mathematics, you are renaming the number and writing it in a different form. This process involves changing the place value of digits in a number to make calculations easier. For example, when adding or subtracting numbers, you may regroup by moving a digit from one place value to another.