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 the area of a rectangle?

Back

The area is the amount of space inside the rectangle. It is calculated by multiplying the length by the width.

Front

How do you calculate the area of a rectangle?

Back

Area = Length × Width

Front

What is the unit of measurement for area?

Back

Common units for area include square inches (sq in), square feet (sq ft), square centimeters (sq cm), and square meters (sq m).

Front

What is the unit of measurement for perimeter?

Back

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

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 ft and a width of 3 ft, what is its area?

Back

Area = 8 ft × 3 ft = 24 sq ft.

Front

What is the formula for finding the area of a square?

Back

Area = Side × Side (or Side²) because all sides of a square are equal.

Front

If one side of a square is 4 m, what is its area?

Back

Area = 4 m × 4 m = 16 sq m.