Area and Perimeter

Area & Perimeter

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6 + 6 + 6 + 6 = 24

The perimeter of this shape is 24.

24 what? 24 feet

If you walked all the way around this shape you would walk 24 feet.

​To find the perimeter, add the length of ALL sides.

Multiple Choice

What is the perimeter of the shape?

• 20

• 10

• 6

• 8

Multiple Choice

What is the perimeter of the shape?

• 20

• 25

• 18

• 22

Multiple Choice

What is the perimeter of the shape?

• 200

• 20

• 40

• 80

Think of examples to use perimeter in real life scenarios.

Think...

Area is the measure of the inside surface of a shape

Area

To find the area of a rectangle, multiply the length by the width.

Area of a rectangle

To find the area of a square, multiple side by itself.

Area of a square

The Length (The bottom) is 5

The Width (The side) is 3

Area = Length x Width

5 x 3 = 15

15 what? 15 cm²

That little² means SQUARED

Find the Area

Think of examples to use area in real life scenarios.

Think...

Multiple Choice

Find the area of the rectangle.

• 43 $$cm^2$$

• 330 $$cm^2$$

• 10 $$cm^2$$

• 3.3 $$cm^2$$

Multiple Choice

Find the area of the square.

• 10 $$cm^2$$

• 50

• 20 $$cm^2$$

• 25 $$cm^2$$

Multiple Choice

The area of a rectangle is 72 sq units.  One side length is 9 units.  What is the other side length?

• 9 cm

• 8cm

• 4cm

• 12cm

Multiple Choice

Which operation would you use to find the area of a square or rectangle?

• add

• divide

• multiply

• substract

Multiple Select

What units do we measure area in?

• cm

• $$km^2$$

• feet

• $$cm^2$$

Fill in the Blanks

The measure of the outside of a shape is

Fill in the Blanks

The measure of the inside surface of a shape is

Match

Match the following

• Area

• Perimeter

• Area

Chelsea wants to buy a new carpet for her room. What measurement does she need to know?

Andy wants to put a fence around his garden. What measurement does he need to know?

Ayden wants to paint the walls in his room.What measurement does he need to know?

• Chelsea wants to buy a new carpet for her room. What measurement does she need to know?

• Andy wants to put a fence around his garden. What measurement does he need to know?

• Ayden wants to paint the walls in his room.What measurement does he need to know?