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Round Three-Digit Numbers to Ten is a free printable Grade 3 maths worksheet on rounding where the hundreds stay put, 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 12 of 25 · the same problems every time you open this link.

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One paper per pupil

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

Round Three-Digit Numbers to Ten

3.NBT.A.1

NameDate

Round each number.

1.Round 619 to the nearest ten
2.Round 629 to the nearest ten
3.Round 828 to the nearest ten
4.Round 338 to the nearest ten
5.Round 288 to the nearest ten
6.Round 813 to the nearest ten
7.Round 365 to the nearest ten
8.Round 316 to the nearest ten
9.Round 810 to the nearest ten
10.Round 229 to the nearest ten
11.Round 884 to the nearest ten
12.Round 243 to the nearest ten

LessonPrint · 3.NBT.A.1 · Set 12 · free to copy for classroom use

Answer key — Round Three-Digit Numbers to Ten

Set 12. Prints on its own sheet.

  1. 1.620
  2. 2.630
  3. 3.830
  4. 4.340
  5. 5.290
  6. 6.810
  7. 7.370
  8. 8.320
  9. 9.810
  10. 10.230
  11. 11.880
  12. 12.240

More practice for 3.NBT.A.1

Round numbers to the nearest ten or hundred.

Teaching this next? Rounding to the Nearest Ten or Hundred is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

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