Area and Perimeter

Front

What is the perimeter of a shape?

Back

The perimeter is the distance around a shape.

Front

How do you find 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.

Front

How do you find the area of a rectangle?

Back

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

Front

What units are used to measure area?

Back

Area is measured in square units, like square centimeters (cm²) or square meters (m²).

Front

What is the formula for the perimeter of a square?

Back

Perimeter = 4 × side length.

Front

If a rectangle has a length of 4 cm and a width of 3 cm, what is its area?

Back

Area = 4 cm × 3 cm = 12 cm².

Front

If a square has a perimeter of 20 units, what is the length of one side?

Back

Length of one side = Perimeter ÷ 4 = 20 units ÷ 4 = 5 units.

Front

What is the relationship between area and perimeter?

Back

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

Front

If a shape has a perimeter of 16 units, what could be its dimensions?

Back

Possible dimensions could be 4 units by 4 units (for a square) or 5 units by 3 units (for a rectangle).