Area & Perimeter (Math TEKs 3.6C & 3.7B)

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the definition of area?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: Area = length × width.

Front

If a square has a perimeter of 36 inches, what is the length of one side?

Back

9 inches (since each side is equal, divide the perimeter by 4).

Front

What is the area of a square with a side length of 5 cm?

Back

25 square centimeters (Area = side × side = 5 cm × 5 cm).

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

Back

40 square centimeters (Area = length × width = 10 cm × 4 cm).

Front

What is the formula for the perimeter of a square?

Back

P = 4 × side length.

Front

How do you find the area of a shape made up of multiple rectangles?

Back

Calculate the area of each rectangle and then add them together.

Front

If a rectangular garden is 8 feet long and 3 feet wide, what is its perimeter?

Back

22 feet (P = 2(length + width) = 2(8 + 3)).