3rd Area and Perimeter

Front

What is Area?

Back

Area is the amount of space inside a shape. It is measured in square units.

Front

What is Perimeter?

Back

Perimeter is the distance around a shape. It is measured in linear units.

Front

How do you find the Area of a rectangle?

Back

Multiply the length by the width (Area = length × width).

Front

How do you find the Perimeter of a rectangle?

Back

Add all the sides together (Perimeter = 2 × (length + width)).

Front

If a rectangle is 5 inches long and 3 inches wide, what is the Area?

Back

15 square inches.

Front

If a rectangle is 6 inches long and 2 inches wide, what is the Perimeter?

Back

16 inches.

Front

What is the Area of a square with sides of 4 units?

Back

16 square units (Area = side × side).

Front

What is the Perimeter of a square with sides of 4 units?

Back

16 units (Perimeter = 4 × side).

Front

If a shape has an Area of 20 square units, what could be its dimensions?

Back

Possible dimensions could be 5 units long and 4 units wide.

Front

If a shape has a Perimeter of 30 units, what could be its dimensions?

Back

Possible dimensions could be 10 units long and 5 units wide.