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Subtract Within 1000 — With Regrouping is a free printable Grade 3 math worksheet on catching the smaller-from-larger error, aligned to Common Core standard 3.NBT.A.2. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 9 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Subtract Within 1000 — With Regrouping

3.NBT.A.2

NameDate

Find the mistake and write the right answer.

1.Luis worked out 834 − 171 = 743. What is the right answer?
2.Dilan worked out 718 − 150 = 648. What is the right answer?
3.Dilan worked out 828 − 188 = 760. What is the right answer?
4.Kofi worked out 403 − 299 = 296. What is the right answer?
5.Suki worked out 512 − 107 = 415. What is the right answer?
6.Elsie worked out 457 − 267 = 210. What is the right answer?
7.Priya worked out 927 − 129 = 802. What is the right answer?
8.Jonah worked out 709 − 164 = 665. What is the right answer?

LessonPrint · 3.NBT.A.2 · Set 9 · free to copy for classroom use

Answer key — Subtract Within 1000 — With Regrouping

Set 9. Prints on its own sheet.

  1. 1.663
  2. 2.568
  3. 3.640
  4. 4.104
  5. 5.405
  6. 6.190
  7. 7.798
  8. 8.545

Last reviewed 2026-09-05. Aligned to 3.NBT.A.2 of the Common Core State Standards for Mathematics.