Question

To use place value to exchange equal amounts when renaming a number is to

Answer 1

i think the remaining number is x

Answer 2

regroup

Explanation:

To use place value to exchange equal amounts when renaming a number is to regroup.

In regrouping you change groups of ones into tens to make adding or subtracting easier. For example you want to subtract 32 to 15:

32

-

15

------

Regrouping:

2 (12)

-

1 5

---------

1 7

that is, 32 - 15 = 17