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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 10 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 339 − 277 = 142. What is the right answer?
2.Ama worked out 921 − 291 = 770. What is the right answer?
3.Aisha worked out 312 − 293 = 181. What is the right answer?
4.Tomas worked out 448 − 287 = 241. What is the right answer?
5.Jonah worked out 875 − 126 = 751. What is the right answer?
6.Zara worked out 532 − 250 = 322. What is the right answer?
7.Tomas worked out 605 − 190 = 595. What is the right answer?
8.Noor worked out 448 − 268 = 220. What is the right answer?

LessonPrint · 3.NBT.A.2 · Set 10 · free to copy for classroom use

Answer key — Subtract Within 1000 — With Regrouping

Set 10. Prints on its own sheet.

  1. 1.62
  2. 2.630
  3. 3.19
  4. 4.161
  5. 5.749
  6. 6.282
  7. 7.415
  8. 8.180

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