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Round to the Nearest Hundred is a free printable Grade 3 maths worksheet on rounding to the larger unit, 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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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Round to the Nearest Hundred

3.NBT.A.1

NameDate

Round each number.

1.Round 243 to the nearest hundred
2.Round 277 to the nearest hundred
3.Round 878 to the nearest hundred
4.Round 189 to the nearest hundred
5.Round 303 to the nearest hundred
6.Round 147 to the nearest hundred
7.Round 645 to the nearest hundred
8.Round 802 to the nearest hundred
9.Round 198 to the nearest hundred
10.Round 138 to the nearest hundred
11.Round 930 to the nearest hundred
12.Round 690 to the nearest hundred

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

Answer key — Round to the Nearest Hundred

Set 21. Prints on its own sheet.

  1. 1.200
  2. 2.300
  3. 3.900
  4. 4.200
  5. 5.300
  6. 6.100
  7. 7.600
  8. 8.800
  9. 9.200
  10. 10.100
  11. 11.900
  12. 12.700

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