WT-039
−
CALCULATORS / LOCAL UTILITY
Column Subtraction
Subtract whole numbers column by column with borrowing and regrouping explained digit by digit.
SHOW THE WORK
LOCAL
NO DATA SENT
SHOW ME HOWCOLUMN SUBTRACTION / BORROWING / REGROUPING
PROBLEMSUBTRACT WHOLE NUMBERS
When the top digit is too small, regroup from the next available place to the left.
PAPER METHODSTACKED SUBTRACTION
STEPSBORROW → SUBTRACT → MOVE LEFT
READYEnter two whole numbers with the larger number on top.
LOCAL TOOL: The subtraction work stays in your browser.
FIELD NOTE / 039
Borrowing is another form of place-value regrouping.
One ten can become ten ones, one hundred can become ten tens, and zeros may require borrowing across multiple places. The steps show those changes before each subtraction.