Back to Lesson Library

Types of Special Triangles

Grade 845 min

Learning Objective

I can identify and classify different types of special triangles, including equilateral, isosceles, and scalene.

Lesson Flow

Watch Video

5 min

GCSE Maths - Types of Triangle

Unknown Channel

Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

“A triangle has sides measuring 7 cm, 7 cm, and 10 cm. Classify this triangle and explain your reasoning. A triangle has angles measuring 50 degrees, 60 degrees, and 70 degrees. Classify this triangle and justify your answer. ”

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts

New to Insta~Lesson?

We would love to help you present Insta~Lesson to your colleagues and administrators. Here are a few resources you can use:

About Insta~Lesson

A simple one-pager you can use to share Insta~Lesson.

How Insta~Lesson Helps Teachers Plan

Learn how Insta~Lesson makes life easier for teachers. This is a great resource to share at a staff meeting or PD!

How Insta~Lesson Supports Instruction Schoolwide

Learn more about Insta~Lesson's dedicated supports for partner schools.

Create Your Own Lesson