Area of Triangles

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Objective

I can determine the area of triangles, including right triangles, using the formula A = ½bh.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

7 questions

1

What is the area of a triangle with a base of 8 cm and a height of 5 cm?

2

A right triangle has legs of length 6 inches and 9 inches. What is the area of the triangle?

Part 3 of 3

Exit ticket

Quick comprehension check

What is the area of a triangle with a base of 10 cm and a height of 7 cm? A triangle has a base of 12 inches and a height of 9 inches. What is its area? Calculate the area of a triangle with a base of 8 meters and a height of 11 meters.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

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