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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 2 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 393 to the nearest ten
2.Round 451 to the nearest ten
3.Round 368 to the nearest ten
4.Round 581 to the nearest ten
5.Round 290 to the nearest ten
6.Round 377 to the nearest ten
7.Round 916 to the nearest ten
8.Round 652 to the nearest ten
9.Round 216 to the nearest ten
10.Round 910 to the nearest ten
11.Round 605 to the nearest ten
12.Round 114 to the nearest ten

LessonPrint · 3.NBT.A.1 · Set 2 · free to copy for classroom use

Answer key — Round Three-Digit Numbers to Ten

Set 2. Prints on its own sheet.

  1. 1.390
  2. 2.450
  3. 3.370
  4. 4.580
  5. 5.290
  6. 6.380
  7. 7.920
  8. 8.650
  9. 9.220
  10. 10.910
  11. 11.610
  12. 12.110

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.