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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 17 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 845 to the nearest ten
2.Round 303 to the nearest ten
3.Round 130 to the nearest ten
4.Round 206 to the nearest ten
5.Round 333 to the nearest ten
6.Round 182 to the nearest ten
7.Round 537 to the nearest ten
8.Round 247 to the nearest ten
9.Round 571 to the nearest ten
10.Round 905 to the nearest ten
11.Round 768 to the nearest ten
12.Round 356 to the nearest ten

LessonPrint · 3.NBT.A.1 · Set 17 · free to copy for classroom use

Answer key — Round Three-Digit Numbers to Ten

Set 17. Prints on its own sheet.

  1. 1.850
  2. 2.300
  3. 3.130
  4. 4.210
  5. 5.330
  6. 6.180
  7. 7.540
  8. 8.250
  9. 9.570
  10. 10.910
  11. 11.770
  12. 12.360

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.