Classifying Triangles
Grade 645 min
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.
Lesson Flow
Watch Video
Classifying Triangles | How to Name Triangles (by Sides and Angles)
Unknown Channel
Practice
6 questions • Short answer
Exit Ticket
“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. ”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
