Calculating Area

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Objective

I can find the area of two dimensional shapes

Part 1 of 4

Warm-up video

Math with Mr. J · 5:21Vetted channel

We don't generate video — this one is by Math with Mr. J 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 4

Key concepts

3 concepts

  1. 1

    To find the area of a composite shape, separate the shape into simpler shapes, find the area of those shapes, and then add them together.

  2. 2

    Area is the amount of space or surface inside of a shape.

  3. 3

    When finding the area of a rectangle, the formula is area = length × width.

Part 3 of 4

Practice

3 questions

1

A composite shape is made up of a rectangle (6 inches by 4 inches) and a triangle with a base of 6 inches and a height of 3 inches. What is the total area of the composite shape?

2

A figure is composed of two identical squares that are connected. Each square has a side length of 5 cm. What is the total area of the figure?

Part 4 of 4

Exit ticket

Quick comprehension check

A shape is made of two rectangles. Rectangle A is 4 inches wide and 5 inches long. Rectangle B is 2 inches wide and 6 inches long. What is the total area of the shape?

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

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    Printable worksheet

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