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Round Four-Digit Numbers is a free printable Grade 3 maths worksheet on rounding beyond a thousand, aligned to Common Core standard 3.NBT.A.1. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 1 of 25 · the same problems every time you open this link.

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One paper per pupil

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All 25 sets ask different questions.

Round Four-Digit Numbers

3.NBT.A.1

NameDate

Round each number.

1.Round 3123 to the nearest hundred
2.Round 4043 to the nearest hundred
3.Round 1362 to the nearest hundred
4.Round 1313 to the nearest hundred
5.Round 6837 to the nearest hundred
6.Round 3864 to the nearest hundred
7.Round 7078 to the nearest hundred
8.Round 9367 to the nearest hundred
9.Round 3015 to the nearest hundred
10.Round 9725 to the nearest hundred
11.Round 9610 to the nearest hundred
12.Round 8845 to the nearest hundred

LessonPrint · 3.NBT.A.1 · Set 1 · free to copy for classroom use

Answer key — Round Four-Digit Numbers

Set 1. Prints on its own sheet.

  1. 1.3100
  2. 2.4000
  3. 3.1400
  4. 4.1300
  5. 5.6800
  6. 6.3900
  7. 7.7100
  8. 8.9400
  9. 9.3000
  10. 10.9700
  11. 11.9600
  12. 12.8800

Questions about Round Four-Digit Numbers

What does the Round Four-Digit Numbers worksheet cover?

It practises rounding beyond a thousand — 12 questions for Grade 3, all on Common Core 3.NBT.A.1: Round numbers to the nearest ten or hundred. The instruction to pupils is “Round each number”, and the answer key follows on the next sheet.

Which Common Core standard does Round Four-Digit Numbers practise?

CCSS.MATH.CONTENT.3.NBT.A.1 — 3.NBT.A.1, in the Number & Operations in Base Ten domain for Grade 3. The published standard reads: “Use place value understanding to round whole numbers to the nearest 10 or 100.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Round Four-Digit Numbers is written for Grade 3, typically ages 8-9. It is one of the sheets on 3.NBT.A.1, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Round Four-Digit Numbers come with an answer key?

Yes. All 12 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Round Four-Digit Numbers can I print?

25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Round Four-Digit Numbers free to print and photocopy?

Yes. Round Four-Digit Numbers, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

More practice for 3.NBT.A.1

Round numbers to the nearest ten or hundred.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.NBT.A.1 of the Common Core State Standards for mathematics.