Area and Perimeter Introduction

Find the PERIMETER of this figure.

• 30 cm

• 20 cm

• 25 cm

• 15 cm

What is the PERIMETER of this rectangle?

• 28 yd.

• 14 yd.

• 8 yd.

• 22 yd.

A rectangular restaurant kitchen is 10 meters long and 8 meters wide. What is its area?

• 90 square m

• 46 square m

• 80 square m

• 36 square m

Area means....

• The measurement INSIDE a shape

• The measurement around the OUTSIDE of a shape

Perimeter means...

• The measurement INSIDE a shape

• The measurement around the OUTSIDE of the shape

If I multiplied, did I find the area or perimeter of an object?

• Area

• Perimeter

How do you find the AREA of a rectangle?

• add all of the sides up

• multiply the length times width

• add the lengths and widths and then multiply them

• add the length and the width

How do you find the PERIMETER of a rectangle?

• add all of the sides up

• multiply the length times the width

• add the lengths and widths and then multiply them

• add the length and the width

Each side of a square sheet of metal is 8 m long. What is the perimeter of the sheet metal?

• 32 meters

• 64 meters

• 16 meters

• 32 meters

What is the area of the rectangle?

• 15 sq cm

• 15 cm

• 2 

• 16 cm