AREA AND PERIMETER 3RD GRADE

Front

What is the perimeter of a rectangle?

Back

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

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

What is area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Area = length × width

Front

What is the unit for measuring area?

Back

Square units (e.g., square centimeters, square meters) are used to measure area.

Front

What is the perimeter of a square?

Back

The perimeter of a square is the total distance around it, calculated as Perimeter = 4 × side length.

Front

What is the area of a square?

Back

The area of a square is calculated as Area = side length × side length.

Front

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

Back

Perimeter = 2 × (10 cm + 5 cm) = 30 cm.

Front

If a rectangle has a length of 8 m and a width of 3 m, what is its area?

Back

Area = 8 m × 3 m = 24 square meters.

Front

What is the formula for finding the perimeter of any polygon?

Back

Add the lengths of all the sides together.