*Contributor: Meghan Vestal. Lesson ID: 10949*

You are in an area surrounded by a perimeter, and you can't escape! Any room you are in has an area and perimeter. Don't be a square! Learn the right way to design your own quadrilateral dream home!

categories

subject

Math

learning style

Visual

personality style

Otter, Golden Retriever

Grade Level

Intermediate (3-5)

Lesson Type

Dig Deeper

Have you ever thought about what your dream home would look like?

How big would it be? What type of rooms would it have?

Today, your dream home is going to become a reality, as you learn and apply an important math skill that architects use on a daily basis!

- Did you know the room you are sitting in, right now, has an
*area*and a*perimeter*?

The home or apartment you are living in also has an area and a perimeter. Even the car you ride in to go places has an area and a perimeter.

- So, what are area and perimeter?

*Area* is the size of a surface. To find the area of a quadrilateral, or four-sided, shape, use the formula:

Base x Height = Area (B x H = A).

Some teachers will say the formula for finding the area of a quadrilateral is Length x Width = Area (L x W = A). Either of these formulas is correct, because *base* and *height* are the same thing as *length* and *width*.

To learn more about finding the area of a quadrilateral, watch *Learn how to calculate the area of a square and rectangle. Math lesson for kids* from Kisi KidsMath TV:

When you are finished, complete this Area of a Square or a Rectangle Online Quiz from TutorialsPoint.com.

*Perimeter* is the distance around the outside of a 2-dimensional shape. The easiest way to differentiate perimeter from area is that perimeter has the word "rim" in the middle of it. Pe*rim*eter involves finding the distance around the *rim* of an object.

To find the perimeter of a quadrilateral, use the formula:

Side + Side + Side + Side = Perimeter (S + S + S + S = P)

To see an example of finding perimeter, watch *How to Find the Perimeter of a Quadrilateral * from Mind-Ovation:

When you are finished, complete this Perimeter of a Square or a Rectangle Online Quiz from TutorialsPoint.com.

Before moving on to the *Got It?* section, consider why it is important to know how to find area and perimeter.

- How do you use area and perimeter in everyday life?

Discuss your ideas with a friend or family member.

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