Perimeter and Area

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: Perimeter = 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 the formula for the area of a square?

Back

Area = side × side or Area = side².

Front

What is the difference between perimeter and area?

Back

Perimeter measures the distance around a shape, while area measures the space inside it.

Front

What is the perimeter of a square with a side length of 5 units?

Back

Perimeter = 4 × side = 4 × 5 = 20 units.

Front

What is the area of a square with a side length of 4 units?

Back

Area = side × side = 4 × 4 = 16 square units.

Front

If a rectangle has a length of 6 units and a width of 3 units, what is its area?

Back

Area = length × width = 6 × 3 = 18 square units.

Front

If a rectangle has a length of 10 units and a width of 2 units, what is its perimeter?

Back

Perimeter = 2(length + width) = 2(10 + 2) = 24 units.