Prime and composite numbers 1-100 practice
This free 5th grade prime and composite numbers 1-100 worksheet is a 2-page printable PDF made for 5th Grade math. Kids practice prime and composite numbers 1-100 step by step, with clear instructions and plenty of room to write. The last page is the answer key, so kids can check their work or a grown-up can correct it in a minute.
What your child will practice: Prime and composite numbers 1-100
This sheet belongs to the Number theory topic of 5th Grade. It focuses on one skill, prime and composite numbers 1-100, so kids can repeat the same kind of exercise until it feels easy.
- Read each instruction before starting.
- Solve the exercises in order: they get a little harder as you go.
- Show the work, not only the answer.
How to use this worksheet
- Download the PDF and print it (A4 or US Letter, “fit to page”).
- Read the instructions aloud with younger kids.
- Let your child work alone first, then help only where they get stuck.
- Check the answers with the answer key on the last page.
After the page: keep practicing
A few minutes a day works better than one long session. When this sheet feels easy, try the next one in the series or play a game on the same skill.
More practice: 5th Grade number theory worksheets and games.
About this 5th Grade number theory worksheet
Download the worksheet: Prime and composite numbers 1-100 practice
Download the PDF (opens in a new tab)Free · 2 pages · 1.3 MB · answer key included
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