Properties of Triangles

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Objective

I can identify and classify triangles by their sides and angles.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

Describe the key differences between an equilateral triangle and an isosceles triangle.

2

Can a triangle be both a right-angled triangle and an equilateral triangle? Explain your reasoning.

Part 3 of 3

Exit ticket

Quick comprehension check

A triangle has three equal sides. What type of triangle is it? A triangle has one 90° angle. What type of triangle is it?

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

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