What does perimeter measure?
The distance around a shape. (outside the figure)
A rectangular piece of cheese is 9 centimeters long and 16 centimeters wide. What is the perimeter of the cheese?
50 centimeters
Sarah is painting a picture where each side measures 12 inches. How much paint will she need to cover the square picture?
48 square feet
What is the perimeter of a square shape if it has the length of 8 feet and a width of 8 feet?
P = 32 feet
What does area measure and what is the formula to measure area?
Area measures the inside of a shape.
A= L X W
A= Length times Width
What is the perimeter of the tv?
84 feet (ft)
Lucy is counting the ceiling tiles in her gym. There are 46 rows with 9 in each row.
What did she use to measure the total tiles in her gym?
How many tiles are there in all?
She would measure the AREA.
A = 414 tiles2
*HINT: draw the figure*
Rectangle = 2 pairs of equal sides
14 + 14 = 28
46 - 28 = 18
Divide 18 in half since there are 2 sides left of the rectangle, so the missing side length is ....
9 inches
Sally has a pentagon. She knows that one side is 13 inches. What is the perimeter of Sally's pentagon?
Perimeter= 65 inches
A rectangular table is 27 centimeters long 14 centimeters wide. What is the perimeter of the table?
82 centimeters
Karen's grandma is making her a quilt. The quilt has 9 square foot blocks with 17 square foot blocks in each row. What is the area of the quilt?
A = 153 feet2
Mrs. Rogers needs to get a new washer. However, she has to make sure the washer will fit in the small space that she has. If the area measures 100 squared inches will the washer she found that measures 7 inches for the width and 16 inches for the length fit in her space?
What is the area of the washer she found?
Will the washer fit, why or why not?
*You must be able to explain the why or why not.*
Area of the washer she found = 112 inches2
No, the washer will not fit because 112 inches is bigger than the space she has of 100 inches.
Mr. Steve wants to buy carpet for a new tree house. He found a carpet with side lengths of 14 in, 17 in, 7 in, 9 in, and 16 in. Mr. Steve wants to know if the carpet he found will fit in his treehouse.
Will he use area or perimeter?
What would be the number of inches of his carpet?
He will use perimeter since it measures the outside of a figure to see if it will fit.
Perimeter = 63 in
Sarah is putting fence around her garden. She has already fenced in the length of 27 feet and a width of 9 feet. Sarah knows the perimeter, but now she wants to know what is the area of her garden?
A= 243 feet2
Sarah has a square garden. She wants to buy mulch to fill the garden. She knows the sides are all 16 feet. How much mulch will she need?
64 square feet
Barbara wants her husband to build her a new fish pond in the size of a rectangle. She wants to make the perimeter bigger and asks that he makes it 17 feet in length and 9 feet in width. What will the perimeter be of her new pond?
Perimeter = 52 feet
You are building a playground in your backyard, and need to build a fence and put mulch inside of the fence.
What will you measure to know how much fence to buy?
What will you measure to know how much mulch to buy?
Mulch = Area
Terry is putting trim around a rectangular picture frame. He knows the perimeter for the trim is 36 centimeters. The length of the rectangle is 14 centimeters long. What is the width of the rectangle?
4 centimeters
Josh put a table that is 34 feet wide by 7 feet long. What is the area of the table?
238 feet2
Mrs. Myers wants to add on a new addition to the school and add another classroom. What will be the area of the new classroom if the new addition measures 7 feet in width and 17 feet in length?
A=119 feet2