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Finding Areas of Triangles and Quadrilaterals

Grade 845 min

Learning Objective

I can calculate the area of a triangle using the formula A = ½ × base × height.

Lesson Flow

Watch Video

5 min

How to Find the Area of a Triangle | Calculate the Area of a Triangle

Unknown Channel

Practice

14 min

9 questions • Short answer

Exit Ticket

5 min

“A triangle has a base of 7 cm and a height of 9 cm. Calculate the area of the triangle and express your answer in square centimeters. A triangular sign has a base of 10 feet and a height of 4 feet. Calculate the area of the sign and express your answer in square feet.”

Teacher Guide

Get the complete package:

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

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