Subtraction Double Digit Regroup Worksheet
Every problem on this subtraction double digit regroup worksheet needs a trade, so 2nd graders practice breaking a ten apart eight times over. An answer key is included for fast, no-prep math practice.
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About this resource
Description
Regrouping is the moment two-digit subtraction stops being a memory game and starts being place value, and it is the exact moment this subtraction double digit regroup worksheet is built for. When the ones digit on top is smaller than the ones digit underneath, a child cannot simply subtract down the column. One ten has to be traded for ten ones, the tens place drops by one, and the ones place grows by ten. Second graders who can say that trade out loud, and then show it on paper, are working squarely inside 2.NBT.B.5 and are ready for the three-digit work that follows.
This 2nd grade regrouping worksheet gives students eight vertical subtraction problems, every single one of which requires a regroup, so no child can coast through half the page on facts that need no trade. Each problem sits in its own card with the ones and tens digits lined up in true place-value columns, a full equation bar, and a generous open space below the bar for the answer, so there is room to cross out, write the new ten, and record the difference without crowding. A final word problem asks students to pull two numbers out of a sentence and fill in a number sentence, which turns the computation into something they have to reason about. Use it as morning work, as a fluency check at a math center, or as homework after a lesson on trading tens.
What’s Included
- 1 print-ready PDF worksheet
- Answer key
- 8 vertical subtraction problems that all require regrouping, plus 1 word problem
There are three reasons this subtraction double digit regroup worksheet helps children learn the skill. First, every problem needs a trade, so the sheet builds the habit of checking the ones place before subtracting rather than guessing which problems are the tricky ones. Second, the digits are set in fixed place-value columns with a wide answer space, so a student’s written work stays readable and a teacher can see at a glance whether a mistake was a regrouping error or a fact error. Third, the problems include a regroup across a zero in the ones place, which is the case children most often get wrong, so the hardest version of the skill is practiced rather than avoided.
Teachers and parents can stretch the same skill in plenty of hands-on ways. Build two of the problems with base-ten blocks or bundles of ten straws and physically break a ten apart before writing anything down, so the trade on paper has a picture behind it. Play a quick round of subtraction war with two-digit number cards and let the larger difference win the pair. Ask a child to write a subtraction problem that needs regrouping and one that does not, then explain how they knew. Finish by turning a real errand into a problem, such as figuring out how many pages of a book are left to read after tonight.
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