Real World Use
What does perimeter measure?
What is the outside/around a shape.
A rectangular piece of cheese is 9 centimeters long and 5 centimeters wide. What is the perimeter of the cheese?
28 centimeters
Sarah is painting a picture where each side measures 10 inches. How much paint will she need to cover the square picture?
100 square feet
What does area measure?
The inside of a shape
What is the perimeter of a fence with a length of 20 feet and width of 10 feet?
60 feet
Lucy is counting the ceiling tiles in her gym. There are 11 rows with 9 in each row. How many tiles are there in all?
99
To build a fence, I would measure...
perimeter
A rectangular table is 40 centimeters long 20 centimeters wide. What is the perimeter of the table?
120 centimeters
Karen's grandma is making her a quilt. The quilt has 6 square foot blocks with 12 square foot blocks in each row. What is the area of the quilt?
72 square feet
Mr. Stimmell wants to buy carpet for a new tree house, what will he use to find how much carpet he needs to buy?
area
Sarah is putting fence around her garden. She know the perimeter is 48 feet. She has already fenced in three sides each measuring 12 feet. How much more fence does she need to finish fencing in her garden?
12 feet
Sarah has a square garden. She wants to buy mulch to fill the garden. She knows the sides are all 7 feet. How much mulch will she need?
49 square feet
You are building a playground, and need to build a fence and put mulch inside of the fence. Will you have to measure for area or perimeter?
Area for the mulch
Perimeter for the fence.
Terry is putting trim around a square picture frame. He knows he needs 25 centimeters of trim. Three of the sides are each 5 centimeters long. How long is the fourth side?
5 centimeters
Josh put a table that is 8 feet wide by 7 feet long. What is the area of the table?
56 square feet