Kyle wants to use 1 square foot pieces to carpet his bedroom floor. How many pieces of carpet will he need?

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Presentation transcript:

Kyle wants to use 1 square foot pieces to carpet his bedroom floor. How many pieces of carpet will he need?

In this lesson you will learn how to find area in real world situations by multiplying.

Let’s Review Area tells us the amount of space a polygon takes up. Area

Length Width

A Common Mistake Adding the side lengths to find the area. 3 square units 4 square units

Core Lesson If each tile is 1 square meter, how many tiles will be needed to cover the entire floor?

3 meters 7 meters 7 meters x 3 meters =21 square meters

How many pieces of carpet will he need?

6 feet 5 feet 6 feet x 5 feet =30 square feet

In this lesson, you have learned how to find the area in real world situations by multiplying.

Guided Practice Betty decided to color in each square of her play table. How many squares will she need to color?

7 tiles 4 tiles 7 tiles x 4 tiles =28 square tiles

Extension Activities Measure the side lengths of your classroom’s carpet with a meter stick. If you were going to put down 1 meter square tiles of carpet on top, how many tiles would you need to cover the whole carpet?

Extension Activities Measure the side lengths of the top of your desk in inches. If you wanted to paint your desk in square inches, and each square is a different color, how many different colors would you need to cover your desk?

Quick Quiz A stretch of the road is being repaved. They will use 1 meter pieces of cement to repave. How many pieces of cement will they need to cover the road?

Pat’s kitchen floor is being retiled. How many 1 foot square tiles would he need to cover the whole floor?