Area
What is the formula for area?
A = l x w
What is the formula for perimeter?
P = w + l + w + l
Tom has a poster with a length of 5 feet and a width of 3 feet. He wants to put a frame around his poster. What length of wood does he need to put around his poster?
16 feet (5 + 3 + 5 + 3)
What math equation do you do to find the perimeter?
addition
72 is 9 times as many as.....
8 ( 9x8=72)
Find the area:
Length: 8 meters
Width: 7 meters
56 meters
Find the perimeter
Length: 7 feet
Width: 17 feet
48 feet
Sally's pool has an area of 36 square feet. The length of the pool is 9 feet. What is the width of the pool?
4 feet. (A= l x w)
What type of equation do you do to find the area?
multiplication (l x w)
112 + 209 = ?
321
Find the area:
Length: 12 meters
Width: 4 meters
48 meters
Find the perimeter of a square with side length of 5 inches.
20 inches
Mike is taking measurements of different rooms in his house. The bonus room has an area of 72 square feet. The length of the room is 8 feet.
What is the perimeter of the room?
34 feet
What is perimeter?
around a shape
What are all of the factors of 9?
1, 3, 9
Find the missing length:
Area= 36 cm
Width= 6 cm
6 cm
Find the missing side length.
Perimeter= 30 inches
Width= 10 inches
5 inches
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 ( finding the perimeter of each)
what is area?
inside of the shape
What are the first 5 multiples of 7?
7, 14, 21, 28, 35
Find the missing length.
Area= 56 meters
Width= 7 meters
8 meters
Find the perimeter of a square with the side length of 32 inches.
128 inches
A square piece of confetti has sides that are 4 millimeters long. What is the piece of confetti's perimeter?
16 mm (perimeter)
what is different about the units of area compared to units of perimeter?
units of area are square units
7 times as many as 8 is...
56