Free printable worksheets

2nd grade math worksheets

Two-digit addition and subtraction where every problem needs regrouping (carrying or borrowing), with answer keys.

Regrouping, step by step

  1. Add or subtract the ones column first.
  2. If the ones add up to 10 or more, carry a ten to the tens column.
  3. If you can't subtract the ones, borrow a ten from the tens column.
  4. Then add or subtract the tens.

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Frequently asked questions

Does every problem need regrouping?

Yes — these sheets are built so every problem practises carrying (addition) or borrowing (subtraction).