Area
Perimeter
Area AND Perimeter
Area and Perimeter
Review
100
Find the area of this rectangle
A = 4 x 2 = 8 square units
100
What makes squares magical?
All of their sides are the same length.
100
area and perimeter of a square with sides of length 12 cm
A= 100 square cm
A = 10 x 10 = 100 square cm
P= 40cm
P = 10 + 10 + 10 + 10 = 40cm
100
The room needs new carpet. The room has an area of 30 square feet. One side length is 6 feet.
Which equation could you use to find the missing side length?
A) 30 x 6
B) 30 - 6
C) 30 / 6
D) 30 + 6
B) 30 - 6
100
2 x 4
8
200
How can you always find the area of a rectangle?
Length times width = area
200
Find the perimeter of a square with sides that are 1 foot long.
4 feet
200
Find the area and perimeter of a rectangle if the length is 8cm and the width is 10cm
A=80 square cm
A = 8 x 10 = 80 square cm
P= 44cm
p = 8 + 10 + 8 + 10 = 44cm
200
How do you find the perimeter of a shape?
Adding all four sides together.
200
54 divided by 9
6
300
The area of a rectangle with length of 7in and width of 5 in is _____ .
A = 7 x 5 = 35 square in
300
Square Side = 7cm
P = 28cm
P = 7 + 7 + 7 + 7 = 28cm
300
What two rectangles have the same area:
a) width = 2 ft, length = 10 ft
b) width = 5 ft, lenght = 5 ft
c) width = 4 ft, length = 5 ft
a and c are both rectangles with an area of
20 square ft.
300
Find the area and perimeter
FREE POINTS!
Area:
1. A = 4 x 3 = 12 square cm
2. A = 12 x 6 = 72 square cm
3. Total Area = 12 + 72 = 84 square cm
Perimeter:
P = 4 + 3 + 8 + 6 + 12 + 9 = 42cm
300
(3x6)+(3x9)=
45
400
Find the total area of the two rectangles:
1. B = 3ft h = 4ft
2. B= 4ft h= 4ft
A = 28 square ft
1. A = 3 x 4 = 12 square ft
2. A = 4 x 4 = 16 square ft
Total Area = 12 + 16 = 28 square ft
400
Find the total perimeter of a rectangle with a length of 12m and a height of 2m.
28m
400
Find the perimeter and area of a rectangle with sides 4 km and 8 km.
A= 32 square km
A = 4 x 8 = 32 square km
P= 64km
P = 4 + 8 + 4 + 8 = 24km
400
The perimeter of a garden with a width of 20 yds and a length of 45 yds is ____ yards.
P = 20 + 45 + 20 + 45 = 130 yards
400
Ms. David is going to do some gardening over Christmas break. She wants to plant one flower per square foot in her garden. Her garden is 3 feet long and 4 feet wide. How many flowers will she be able to plant?
12
500
What is the area?
A = 66 square m
1. A = 5 X 10 = 50 square m
2. A = 4 x 4 = 16 square m
3. Total Area = 50 + 16 = 66 square m
500
Find the perimeter
P = 38m
P = 10 + 9 + 4 + 4 + 6 + 5 = 38m
500
Find the perimeter and area of a rectangle with sides 20 cm and 10 cm.
A= 200 square cm
A = 20 x 10 = 200 square cm
P=60cm
P = 20 + 10 + 20 + 10 = 60cm
500
The perimeter of a rectangle with length of 7in and width of 5in is _____ .
P = 7 + 5 + 7 + 5 = 24in
500
Melissa is running laps around the playground. The length of the playground is 25 feet, and the width is 18 feet. How many feet does she run if she runs two lap?
164 feet