Area
Find the area of the following rectangle.
L= 4cm
W = 8cm
32cm2
Find the perimeter of the following rectangle.
L = 1cm
W = 2cm
P = 6cm
Find the area and perimeter of a square with a side length of 6m.
A = 6 x 6 = 36m²
P = 6 + 6 + 6 + 6 = 24m
What is the formula for the area of a rectangle?
A= L x W
A triangle has a perimeter of 23 inches.
One side length is 7 inches and the another is 8 inches.
What is the missing side length?
8 inches
Find the area of the following rectangle.
L = 8m
W = 7m
A = 56m2
Find the perimeter of the following rectangle.
L = 6mm
W = 2mm
P = 16mm
Find the area and perimeter of a rectangle if the length is 8m and the width is 4m.
A = 8 x 4 = 32m²
P = 8 + 4 + 8 + 4 = 24m
The area is 28cm2.
The length is 7cm.
What is the width?
the width is 4cm
A square has a perimeter of 20 inches.
What is each side length?
5 inches
Find the area of the following square.
Side of Square = 5cm
A = 25cm2
Find the perimeter of the following square.
Square Side = 7m
P = 28m
Find the area and perimeter of a square with a side length of 6m.
A = 6 x 6 = 36m²
P = 6 + 6 + 6 + 6 = 24m
The area of a square is 16m2.
What is the length of each of the sides?
All 4 sides are 4m
Annabelle uses 38 mm of tape to tape the edges of her wallet. One side she used 8 mm, another side she used 8 mm, and another side she used 11 mm.
How much tape did she use for the last side?
11 mm
The Area of a rectangle is 40 square cm.
What are possible lengths and widths of the rectangle?
1. 40 cm and 1 cm
2. 20 cm and 2 cm
3. 10 cm and 4 cm
4. 8 cm and 5 cm
James draws a rectangle with a length of 7 in and a width of 4 in. This rectangle has a perimeter of 22 in.
Draw a rectangle with the same perimeter as James's, but different length and width.
Find the perimeter and area of a rectangle with sides 10cm and 5cm.
A = 10 x 5 = 50cm²
P = 10 + 5 + 10 + 5 = 30m
The area is 20mm2.
The length is 4mm
What is the width?
The width is 5mm
Describe the steps we use to solve for a missing side when we know the perimeter and all other sides.
Answers may vary
The Area of a square is 36 square ft.
What is the length and width of the square?
6 ft and 6 ft
Colby draws a rectangle. It has an area of 24 square feet and a perimeter of 22 feet.
What is the length and width of his rectangle?
8 feet and 3 feet.
Find the perimeter and area of a rectangle with sides 11m and 2m.
A = 11 x 2 = 22m²
P = 11 + 2 + 11 + 2 = 26m
How do you get the perimeter?
Add all the sides
Spencer used 78 meters of fencing for his yard. One side he used 4 meters, another he used 9 meters, next he used 12 meters, and then he used 16 meters.
How much fencing did he use on the last side?
37 meters