Area & Perimeter (Math TEKs 3.6C & 3.7B)

Front

What is area?

Back

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

Front

What is perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the area of a rectangle?

Back

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

Front

How do you calculate the perimeter of a rectangle?

Back

Add all the sides together (Perimeter = 2 × (Length + Width)).

Front

If a rectangle has a length of 5 feet and a width of 3 feet, what is its area?

Back

15 square feet (Area = 5 × 3).

Front

If a rectangle has a length of 8 inches and a width of 2 inches, what is its perimeter?

Back

20 inches (Perimeter = 2 × (8 + 2)).

Front

What is a square?

Back

A square is a shape with four equal sides and four right angles.

Front

If each side of a square is 4 cm, what is its area?

Back

16 square centimeters (Area = 4 × 4).

Front

What is the formula for the area of a square?

Back

Area = Side × Side.

Front

What is the formula for the perimeter of a square?

Back

Perimeter = 4 × Side.