🔢Math Standard
3-Digit Addition with Regrouping Worksheet
Add three-digit numbers that require carrying into the tens and hundreds.
3rd Grade 15 min
✓ Answer key
3rd Grade · Math
3rd Grade Addition Worksheets
Before this skill
- 2-digit addition with regrouping
- Place value to the hundreds
Common mistakes to watch for
- Forgetting to add the carried number
- Misaligning hundreds, tens, and ones
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Frequently Asked Questions
What do 3rd Grade students practice with addition?
Students will add three-digit numbers with regrouping in the ones and tens places.
Are these worksheets free and printable?
Yes — every worksheet is a free, printable PDF with an answer key. No sign-up required.