Area of Triangles

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Objective

I can find the area of a triangle when I know the base and height.

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 6 cm?

2

A triangular sail on a boat has a base of 4 meters and a height of 5.5 meters. What is the area of the sail?

Part 3 of 3

Exit ticket

Quick comprehension check

A triangular garden has a base of 7 meters and a height of 4 meters. What is the area of the garden? A pennant in the shape of a triangle has a base of 12 centimeters and a height of 9 centimeters. What is the area of the pennant?

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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