Area and perimeter of rectangles

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = Length × Width).

Front

What is the formula for calculating the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated by adding together the lengths of all four sides (Perimeter = 2 × (Length + Width)).

Front

What is the area of a rectangle with side lengths 4 by 5?

Back

20 square units (Area = 4 × 5 = 20).

Front

What is the perimeter of a rectangle with side lengths 4 by 5?

Back

18 units (Perimeter = 2 × (4 + 5) = 18).

Front

Fill in the blank: Area is the space ___________ a figure.

Back

Inside.

Front

Fill in the blank: Perimeter is the distance _________ a figure.

Back

Around.

Front

If a rectangle has a length of 10 units and a width of 3 units, what is its area?

Back

30 square units (Area = 10 × 3 = 30).

Front

If a rectangle has a length of 10 units and a width of 3 units, what is its perimeter?

Back

26 units (Perimeter = 2 × (10 + 3) = 26).

Front

What is the area of a rectangle with side lengths 6 by 2?

Back

12 square units (Area = 6 × 2 = 12).

Front

What is the perimeter of a rectangle with side lengths 6 by 2?

Back

16 units (Perimeter = 2 × (6 + 2) = 16).