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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 23 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 426 to the nearest ten
2.Round 876 to the nearest ten
3.Round 804 to the nearest ten
4.Round 756 to the nearest ten
5.Round 427 to the nearest ten
6.Round 574 to the nearest ten
7.Round 748 to the nearest ten
8.Round 774 to the nearest ten
9.Round 374 to the nearest ten
10.Round 500 to the nearest ten
11.Round 151 to the nearest ten
12.Round 417 to the nearest ten

LessonPrint · 3.NBT.A.1 · Set 23 · free to copy for classroom use

Answer key — Round Three-Digit Numbers to Ten

Set 23. Prints on its own sheet.

  1. 1.430
  2. 2.880
  3. 3.800
  4. 4.760
  5. 5.430
  6. 6.570
  7. 7.750
  8. 8.770
  9. 9.370
  10. 10.500
  11. 11.150
  12. 12.420

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.