Area and Perimeter

Front

What is Area?

Back

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

Front

What is Perimeter?

Back

Perimeter is the distance around a shape, calculated by adding the lengths of all its sides.

Front

How do you find the area of a rectangle?

Back

Multiply the length by the width.

Front

How do you find the perimeter of a rectangle?

Back

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

Front

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

Back

24 square meters (8 x 3 = 24).

Front

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

Back

30 meters (2(10 + 5) = 30).

Front

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

Back

16 square units (4 x 4 = 16).

Front

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

Back

16 units (4 x 4 = 16).

Front

If a sandbox is 10 meters wide and has an area of 60 square meters, how long is it?

Back

6 meters (Area = length x width, so length = Area / width = 60 / 10 = 6).

Front

What do you do to find the perimeter of a shape?

Back

You add the lengths of all the sides.