Area and Perimeter

What is area?

• The distance around the outside of a shape.

• The amount of space inside a shape.

What is perimeter?

• The distance around the outside of a shape.

• The amount of space inside a shape.

What is the area of this rectangle?

• 20 square units

• 21 square units

What is the perimeter of this rectangle?

• 20 square units

• 21 square units

The left side of this rectangle is _____ cm.

• 7

• 12

Which rectangle has a bigger area?

• The tall rectangle

• The short rectangle

• They are equal

Which rectangle has a bigger perimeter?

• The tall rectangle

• The short rectangle

• They are equal

What is the perimeter of this square?

• 10 cm

• 20 cm

• 25 cm

This square has a perimeter of 8 units. How long is each side?

• 1 unit

• 2 units

• 4 units

SUPER CHALLENGE!

What is the length (in feet) of the bottom of this polygon?