Classifying Triangles

Classifying Triangles

Grade 6 · Math · 45 min

What's Included

Learning Objective

I can name triangles as equilateral, isosceles, or scalene based on their sides, and as acute, right, or obtuse based on their angles.

Warm-Up Video

Unknown Channel · 5:00

Classifying Triangles | How to Name Triangles (by Sides and Angles)

Practice Questions

6 questions · Short answer

Exit Ticket

Quick comprehension check

A triangle has side lengths of 5 cm, 8 cm, and 5 cm. It also has one angle that measures 110°. Classify the triangle by its sides and by its angles. A triangle has side lengths of 4 inches, 4 inches, and 4 inches. All of its angles measure 60°. Classify the triangle by its sides and by its angles.

Complete Lesson Package

Get all 3 ready-to-use resources:

Teacher Guide
Student Doc
Slides