Rounding Worksheets: Nearest 10, 100 and 1000

📅 November 12, 2026⏱ 3 min read📥 Free PDF🎓 Grades 3–4📂 Number Sense
Rounding worksheets guide

Rounding helps with estimation and mental math. This activity asks students to round numbers to the nearest 10, 100 or 1000.

📥 Download the free rounding worksheet (PDF) — or read on to learn how to make your own versions in seconds.

What students practice

Rounding to the nearest 10Rounding to the nearest 100 and 1000Place valueEstimation

Example worksheet and answer key

Here is a rounding worksheet made with the default settings, next to the answer key that the tool creates automatically.

Rounding worksheet example
Student worksheet
Rounding answer key
Answer key (automatic)
📥 Free printable PDFRounding worksheet + answer key · US Letter · 2 pages
Download free PDF

How to create a rounding worksheet in 60 seconds

  1. Sign in to OnlineMathWorksheet (or start the free 1-day trial) and open the tool.
  2. In Settings → Worksheet type, choose Rounding from the Number Sense group.
  3. Open Problem options and adjust: Number range (from–to), To the nearest.
  4. Under Problem layout, pick the number of rows and columns (the default is 10 × 2).
  5. In Header, keep the title “Rounding” and the instruction “Round each number.”, or write your own.
  6. Click New problems for this page until you like the set — every click creates a fresh version.
  7. Use Export to download a PDF with the answer key, or save the pages as PNG or JPG images.

Ready-made settings

Use these as starting points and adjust them to your class:

Nearest 10Range 10–99, nearest 10.
Nearest 100Range 100–999, nearest 100.
Nearest 1000Range 1000–9999, nearest 1000.
MixedTo the nearest “Mixed”.

Teaching tips

  • Teach “5 or more, raise the score; 4 or less, let it rest”.
  • Use a number line to show which ten is closer.
  • Follow with the Estimation activity.
💡 Make it a game: in Header, tick 🔐 Secret code riddle and type your own Secret phrase. Students solve every problem to reveal the hidden message.

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Frequently asked questions

Do the rounding worksheets come with an answer key?

Yes. Every worksheet gets a matching answer page automatically. You can include it in the PDF or hide it.

Can I make a different version for each student?

Yes. Click “New problems for this page” to generate new numbers with the same settings — as many times as you like.

Which languages are available?

The worksheet itself can be printed in English, French, Spanish or Arabic, which is handy for bilingual classes.

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