Regrouping Definition (Illustrated Mathematics Dictionary)

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Math is Fun ABCDEFGHIJKLMNOPQRSTUVWXYZ Definition of Regrouping more ... Regrouping

Moving an amount (usually 10) from one part of a calculation to another so it is easier to do the calculation.

Example: 32 − 15 How do we subtract 5 from 2? We "regroup" 32 (3 tens and 2 ones) into 2 tens and 12 ones NOW we can subtract 5 from 12 and get 7 And finish up by subtracting 1 ten from 2 tens To get our answer of 17

../numbers/images/moving-tens.js See: Subtraction, Borrowing (numbers), Place Value Subtraction by Regrouping (Borrowing) Copyright © 2025 Rod Pierce

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