Area and Perimeter Flashcard 3rd Grade

Front

What is the perimeter of a rectangle?

Back

The perimeter is the distance around the rectangle. To find it, add the lengths of all four sides.

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

What is the distance around an object called?

Back

Perimeter

Front

If a rectangle has a length of 5 cm and a width of 3 cm, what is its perimeter?

Back

16 cm

Front

What is the perimeter of a square with each side measuring 5 cm?

Back

20 cm

Front

What is the area of a rectangle?

Back

The area is the amount of space inside the rectangle. To find it, multiply the length by the width.

Front

What is the formula to calculate the area of a rectangle?

Back

Area = length × width

Front

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

Back

9 sq units

Front

What is the area of a square with each side measuring 4 cm?

Back

16 cm²

Front

What is the difference between area and perimeter?

Back

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