Classify scalene, isosceles, and equilateral triangles

This free 3rd grade classify scalene isosceles and equilateral triangles worksheet is a 2-page printable PDF made for 3rd Grade math. Kids practice classify scalene isosceles and equilateral triangles 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: Classify scalene isosceles and equilateral triangles

This sheet belongs to the Triangles and quadrilaterals topic of 3rd Grade. It focuses on one skill, classify scalene isosceles and equilateral triangles, 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
  1. Download the PDF and print it (A4 or US Letter, “fit to page”).
  2. Read the instructions aloud with younger kids.
  3. Let your child work alone first, then help only where they get stuck.
  4. 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: 3rd Grade triangles and quadrilaterals worksheets and games.

About this 3rd Grade triangles and quadrilaterals worksheet

Triangles and quadrilaterals: Grade 3 free printable worksheets - How to identify scalene isosceles and equilateral triangles by sides lengths

Download the worksheet: Classify scalene, isosceles, and equilateral triangles

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Free · 2 pages · 599 KB · answer key included

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