Area
What is the formula for area?
A = length x width
The perimeter of a rectangle is 32 cm. The length is 10 cm and the width is unknown. Find the width.
6 cm
Tom has a poster with a length of 5 feet and a width of 3 feet. He wants to put a wooden frame around the poster. What length of wood will Tom need to frame his poster?
16 feet
Chane 5 m 50 cm into cm
550
Length: 14 meters Width: 7 meters Area: ?
98 square meters
A poster is 6 inches long. It is 5 times as wide as it is long. Find the perimeter and area of the poster
30 sq feet
22 feet
What operation do you use for an area problem? Hint: Think about the formula for Area.
Multiplication
Kayden draws a rectangle with an area of 24 ft and a perimeter of 50 feet. What is the length and width of Kayden's rectangle. Think about what is given and what you are finding out.
length 24 feet; width 1 foot
Length: 41 meters Width: 23 meters Area: ?
943 square meters
Brinn’s rectangular kitchen has an area of 27 square feet. The kitchen is 3 times as many square feet as Brinn’s pantry. If the rectangular pantry is 3 feet wide, what is the length of the pantry?
3 feet
Ben is painting his room. He paints 3 walls. Each wall has dimensions of 13 x 8 feet. What is the total area that Ben has to paint?
312 square feet
What is the definition of perimeter?
Perimeter is a path that surrounds a two dimensional shape. The formula is L + L +W + W or 2 L + 2 W.
A rectangular room measures 10 feet by 4 feet. What is the cost of carpeting the floor of the room if 1 square foot of fencing costs $10?
$ 400
Length: 5 meters Width: ? Area: 35 square meters
7 meters
Length: 15 feet Width: ? Perimeter: 56 feet
13 feet
What is the definition of area? Give two real life examples?
Tiles in a room; Carpeting in a room; painting a picture;grass; painting a picture;
What are all the possible dimensions for a rectangle or square with an area of 36 square centimeters?
1 x 36 2 x 18 3 x 12 4 x 9 6 x 6
Length: ? Width: 8 meters Area: 64 square meters
8 meters
The length of Marshall’s rectangular poster is 7 in and width is unknown. If the perimeter is 20 inches, what is the area of the poster?
21 sq.in
Hannah and Sally are planting gardens. Hannah's garden is 2 x 8 feet long. Sally's garden is 4 x 4 feet long. They want to put fencing around their gardens. Who will need more fencing?
Hannah
What is different about units of area compared to units of perimeter?
Units of area are "square units" and perimeter is in units. Perimeter is the outside of a shape and area is the inside of a shape.
How many times more is the value of 563,234 than the 5 in 465,123.
100 times.