3rd Grade Perimeter

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is the total distance around it, calculated by adding the lengths of all four sides.

Front

How do you calculate the perimeter of a rectangle?

Back

To calculate the perimeter of a rectangle, use the formula: P = 2(length + width).

Front

What is the unit of measurement for perimeter?

Back

Common units of measurement for perimeter include centimeters (cm), inches (in), meters (m), and feet (ft).

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its perimeter?

Back

The perimeter is 30 cm (P = 2(10 + 5) = 30).

Front

What is the distance around an object called?

Back

The distance around an object is called the perimeter.

Front

If a square has a side length of 4 cm, what is its perimeter?

Back

The perimeter is 16 cm (P = 4 sides x 4 cm = 16 cm).

Front

What is the perimeter of a fence that is 10 m long and 5 m wide?

Back

The perimeter is 30 m (P = 2(10 + 5) = 30 m).

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

The perimeter is 12 cm (3 + 4 + 5 = 12 cm).

Front

If the perimeter of a rectangle is 20 cm and the length is 7 cm, what is the width?

Back

The width is 3 cm (P = 2(length + width) => 20 = 2(7 + width) => width = 3 cm).

Front

What is the perimeter of a shape with 4 equal sides measuring 6 cm each?

Back

The perimeter is 24 cm (P = 4 sides x 6 cm = 24 cm).