INTRO Area and Perimeter

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the area of a shape?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: Area = length × width.

Front

What is a square unit?

Back

A square unit is a unit of measure for area, representing a square that is 1 unit on each side.

Front

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

Back

Area = 5 × 3 = 15 square units.

Front

If a rectangle has a length of 4 units and a width of 2 units, what is its perimeter?

Back

Perimeter = 2(4 + 2) = 12 units.

Front

What is the formula for the perimeter of a square?

Back

P = 4 × side length.

Front

If a square has a side length of 3 units, what is its perimeter?

Back

Perimeter = 4 × 3 = 12 units.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.