Skip to main content
Classify triangles — free printable Grade 8 math worksheet

Classify triangles

Free printable Grade 8 math worksheet for "Classify triangles" — practice two-dimensional figures. No-prep, print or assign online.

This worksheet provides challenging exercises for students to classify triangles by their sides and angles, reinforcing concepts in two-dimensional figures. Teachers can use it to assess students' understanding of triangle properties and promote critical thinking in geometry. Ideal for Grade 8 math classes focusing on classification of triangles and geometric reasoning.

Math
Grade 8
Middle School
Worksheets
Ages 11–14
hard

Learning objectives

  • Identify triangles based on side lengths and angle measures
  • Classify triangles as equilateral, isosceles, or scalene
  • Differentiate between acute, right, and obtuse triangles

Answer Key

Answer key for Classify triangles — free printable Math worksheet

How to use this worksheet

  1. Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 50 downloads a month).
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Frequently asked questions

Is the “Classify triangles” worksheet free?

Yes. “Classify triangles” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 50 downloads a month.

What grade or age is this Math worksheet for?

It's designed for Middle School (ages 11–14), covering Two-dimensional figures.

Does it come with an answer key?

Yes — a matching answer key is included so you can grade it in seconds.

Make it your own in the Worksheet Studio

Combine this with other worksheets, duplicate it, or generate a fresh version for any grade and language — free, no sign-up.

Open the Worksheet Studio

More for Middle School

You might also like

Classify triangles — Grade 8 Math Worksheet | KiwiBee