Column Subtraction with Borrowing

Not enough ones? Borrow one ten from the tens place

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About This Practice

The rule for column subtraction with borrowing: “not enough ones? Borrow one ten from the tens place”. The step-by-step demo shows the ones borrowing a ten to become a teen number before subtracting, and the tens remembering the 1 it lent. Tap “Next step” to see exactly what borrowing means.

Watch column subtraction step by step: when the ones are not enough, borrow one ten — the ones become a teen number to subtract with, and the tens must remember the 1 it lent. Tap “Next step” to reveal the process.

MediumEstimated Time: 10mincolumn subtractionborrowingtwo-digitplace value

How to Play

  1. Read the problem and compare the ones digits: are the ones enough to subtract?
  2. Tap “Next step”: when they are not, borrow one ten — worth ten ones.
  3. Watch the ones become a teen number and subtract to find the ones digit.
  4. When the tens turn comes, remember to subtract the lent 1 first.
  5. Say the complete answer and check both digits.

Learning Objectives

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