Two-digit subtraction with regrouping worksheets

Second graders subtract within 100 with regrouping: when the top ones digit is smaller, they trade a ten for ten ones and mark it above the problem. Most problems on these sheets need a borrow, the step kids practice least.

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What students need to know

If the top ones digit is too small, trade one ten for ten ones before you subtract.

This skill runs from 2nd grade through 2nd grade. Pick a grade above for level-matched sentences, teaching notes, and worksheets.

Two-digit subtraction with regrouping across the grades

2nd grade

Second graders subtract within 100 with regrouping: when the top ones digit is smaller, they trade a ten for ten ones and mark it above the problem. Most problems on these sheets need a borrow, the step kids practice least.

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