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Grade 3 Subtraction Worksheets — Regrouping & Checking PDF

By Grade 3, subtraction stretches to three-digit numbers, and the hard cases arrive: borrowing across a zero, and borrowing twice in one problem. Just as important is the habit of checking every answer by adding it back. Those two hard cases now have pages of their own: Subtract Across Zeros for the borrow that has to travel past a zero, and Subtract With Regrouping, whose Both numbers full size level borrows in the ones and the tens. Missing Number, Ten Less and How Many More complete the seven Grade 3 pages, alongside Subtract Without Regrouping and Estimate Differences. The worksheet updates instantly as you adjust it, and the link reproduces the identical sheet for a re-test.

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Subtraction · Grade 3

Grade
Topic
SkillEach skill is a different kind of question, with its own levels.
Level
Questions
20

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Grade 3 · 2 pages · A4

Subtraction Practice

Grade 3 • Subtract With Regrouping • Both numbers full size
Name:Date:

Solve each problem. Every one needs regrouping.

  1. 1) 612 − 144 =
  2. 2) 600 − 411 =
  1. 3) 425 − 357 =
  2. 4) 642 − 153 =
  1. 5) 511 − 115 =
  2. 6) 607 − 459 =
  1. 7) 600 − 221 =
  2. 8) 528 − 339 =
  1. 9) 640 − 551 =
  2. 10) 711 − 127 =
  1. 11) 610 − 211 =
  2. 12) 763 − 494 =
  1. 13) 507 − 179 =
  2. 14) 750 − 488 =
  1. 15) 770 − 281 =
  2. 16) 433 − 146 =
  1. 17) 412 − 187 =
  2. 18) 533 − 196 =
  1. 19) 423 − 247 =
  2. 20) 532 − 433 =
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Page 1 of 2

Answer Key

  1. 1. 468
  2. 2. 189
  3. 3. 68
  4. 4. 489
  1. 5. 396
  2. 6. 148
  3. 7. 379
  4. 8. 189
  1. 9. 89
  2. 10. 584
  3. 11. 399
  4. 12. 269
  1. 13. 328
  2. 14. 262
  3. 15. 489
  4. 16. 287
  1. 17. 225
  2. 18. 337
  3. 19. 176
  4. 20. 99
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Page 2 of 2

More Grade 3 subtraction skills

Each one generates a different kind of question, with its own three levels and answer key.

What each level generates

Grade 3 subtract with regrouping — the exact skill behind each difficulty setting, straight from the generator.

  1. Level 1Borrow from the tens
  2. Level 2Both numbers full size
  3. Level 3Borrow twice in a row

Grade levels follow the progression common to most English-language curricula — not one specific national curriculum. Every level shows exactly what it generates, so you can check the fit with your own program. See the full scope & sequence →

Three digits, zeros, and the double borrow

Most Grade 3 curricula expect fluent subtraction within 1,000 using the standard algorithm. The genuinely new difficulty is structural: problems like 305 − 178, where the borrow has to pass through a zero, and problems that regroup in both the ones and the tens. Subtract Across Zeros serves up the first kind and Subtract With Regrouping the second.

Teach the check as part of the method, not an extra: answer plus the number subtracted should rebuild the starting number (127 + 178 = 305). A student who checks with addition catches their own borrow slips — and quietly reinforces addition fluency at the same time. The Estimate Differences page trains the same instinct from the other end: round each number first, then see whether the exact answer lands in the right neighbourhood.

Using the sheets for diagnosis, not just drill

Set the stepper to 10–15 problems and mark with the answer key, which prints on its own final page. Sort the errors: wrong answers ending in a familiar pattern (like the classic off-by-ten) point to borrowing slips, while scattered errors point to fact gaps — in which case drop back to Subtract Without Regrouping for a week of faster warm-ups.

For a weekly checkpoint, share one link with the class or keep it bookmarked at home: the identical sheet regenerates every time, so scores are genuinely comparable. Shuffle between checkpoints so daily practice never repeats.

Frequently asked questions

▸What subtraction is taught in Grade 3?

Fluent subtraction within 1,000 using the standard written algorithm, including regrouping across zeros. Most curricula also expect students to check subtraction by adding back.

▸How do students check subtraction with addition?

Add the answer to the number that was subtracted; you should get the starting number back. For 305 − 178 = 127, check that 127 + 178 = 305. It catches most borrowing errors on the spot.

▸Why does my Grade 3 child struggle with zeros in subtraction?

Borrowing across a zero needs two regrouping steps instead of one, which overloads a fragile method. Slow one problem right down, narrate the two borrows, then let the sheet provide repetition.

▸How many problems make a good Grade 3 session?

10–15. Regrouping problems take several steps each, so a short accurate set builds more than a long careless one. The question-count stepper sizes the sheet to your session.

▸Does the answer key show the working steps?

The key lists final answers, numbered to match the problems, on its own separate page — easy to hold back during work and quick to mark against afterwards.

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