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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 21 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 165 to the nearest ten
2.Round 608 to the nearest ten
3.Round 277 to the nearest ten
4.Round 802 to the nearest ten
5.Round 195 to the nearest ten
6.Round 217 to the nearest ten
7.Round 680 to the nearest ten
8.Round 196 to the nearest ten
9.Round 901 to the nearest ten
10.Round 882 to the nearest ten
11.Round 249 to the nearest ten
12.Round 176 to the nearest ten

LessonPrint · 3.NBT.A.1 · Set 21 · free to copy for classroom use

Answer key — Round Three-Digit Numbers to Ten

Set 21. Prints on its own sheet.

  1. 1.170
  2. 2.610
  3. 3.280
  4. 4.800
  5. 5.200
  6. 6.220
  7. 7.680
  8. 8.200
  9. 9.900
  10. 10.880
  11. 11.250
  12. 12.180

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.