Subtract with regrouping
~11 min
Write numbers with ones, tens, and hundreds in columns.
Organizing Place Values
456
4
5
6
To subtract multi-digit numbers, line up the digits by their place value, matching ones with ones, tens with tens, and hundreds with hundreds. Keeping your columns straight helps you avoid mistakes when subtracting each place.
💡 Draw vertical lines between the place value columns to keep your numbers perfectly aligned.