Classifying Triangles
Grade 4•45 minutes•5.MG.3 - The student will classify and measure angles and triangles, and solve problems, including those in context.
Learning Objective
I can classify triangles by their angles (right, acute, or obtuse) and sides (equilateral, scalene, or isosceles) and explain my reasoning.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain the difference between an acute, right, and obtuse triangle.
2. Explain the difference between a scalene, isosceles, and equilateral triangle.
3. A triangle has sides of length 5 cm, 5 cm, and 8 cm. Classify the triangle by its sides. Explain your reasoning.
...and 4 more questions
Educational Video
Classifying Triangles | How to Name Triangles (by Sides and Angles)
Math with Mr. J