AREA AND PERIMETER 3RD GRADE

Front

What is area?

Back

Area is the amount of space inside a shape. It is measured in square units.

Front

What is perimeter?

Back

Perimeter is the distance around a shape. It is the total length of all the sides.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width (Area = Length × Width).

Front

How do you calculate the perimeter of a rectangle?

Back

Add all the sides together (Perimeter = 2 × Length + 2 × Width).

Front

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

Back

15 square feet (5 ft × 3 ft = 15 ft²).

Front

If a rectangle has a length of 8 inches and a width of 2 inches, what is its perimeter?

Back

20 inches (Perimeter = 2 × 8 in + 2 × 2 in = 20 in).

Front

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

Back

16 square feet (Area = Side × Side = 4 ft × 4 ft = 16 ft²).

Front

What is the perimeter of a square with a side length of 4 feet?

Back

16 feet (Perimeter = 4 × Side = 4 × 4 ft = 16 ft).

Front

If a wall is 4 feet wide and 4 feet tall, what is the area?

Back

16 square feet (Area = 4 ft × 4 ft = 16 ft²).

Front

If a picture is 6 inches long and 4 inches wide, how much ribbon is needed for the border?

Back

20 inches (Perimeter = 2 × 6 in + 2 × 4 in = 20 in).