Formulas
What's In It?
Think Outside the Box
Wording It Right
Irregular Shapes
100
Perimeter AND Area Formula of a Square
P = s+s+s+s OR P = s4 A = SxS
100
A square has one side measuring 5 feet. What is its area?
25 ft2
100
Find the perimeter of the rectangle with a length of 8 cm and a width of 5cm.
26cm
100
The classroom is getting new carpet. If the room has a length of 10m and a width of 6m, how much carpet will the room need?
The room will need 60 m2 of carpet.
100
How do you find the missing sides of an irregular shape?
Add up the known sides and subtract it from the opposite full side.
200
Perimeter AND Area Formula for a Rectangle
P = L+L+W+W OR P = 2(L+W) A = LxW
200
A triangle has a base of 2 inches and a height of 9 inches. What is its area?
9 in2
200
Find the perimeter of a square that has a side length of 12mm.
48mm
200
A trapezoid has a perimeter of 34 meters. Base 1 measures 11 meters, and Base 2 measures 14 meters. What are the measurements of the 2 equal sides?
The measurements of the two equal sides are 4.5m
200
How do you find the area of an irregular shape?
Break the irregular shape into separate shapes, find the area of each separate shape and then add the areas together to get the total area.
300
Perimeter AND Area Formula for a Triangle
P = s+s+s A = BxH/2
300
What is the area of a rectangle whose given side lengths are 8 cm and 12 cm?
96 cm2
300
Find the perimeter of a right triangle with one side length 6ft, one side length 4ft, and one side length 9ft.
19ft
300
Ms. Madzia needs to fence around her backyard. The length of her backyard is 5m and the width is 8m. If fencing comes in sections of 3 how many sections does Mary need to buy?
Ms. Madzia will need 14 sections of fence.
300
Find the following missing side AND the perimeter of the following shape:
Missing side = 3cm Total perimeter = 20cm
400
Perimeter AND Area Formula for a Parallelogram
P = s+s+s+s OR P = 2(bxh) A = BxH
400
What is the area of a paralellogram with a base of 6 and a height of 11?
66 cm2
400
Find the perimeter of a triangle if it has a base of 6m, a height of 8 m, and two side lengths that equal 3m.
12m
400
A square pizza box has an area of 324 in2. What is the length of one side of the pizza box? **You may use a calculator if needed**
18in
400
Find the area of the following irregular shape:
34 cm2
500
Perimeter AND Area Formula for a Trapezoid
P = s+s+s+s A = B1+B2/2 x H
500
What is the area of a trapezoid with bases 8m and 9m and a height of 10m?
360 m2
500
Find the side length of a square with a total perimeter of 36km.
9km
500
Ms. Madzia ‘s bulletin board is 700cms by 70cms. Mrs. Zimmerman has asked Ms. Madzia to cover her entire bulletin board in colourful wallpaper to make her class’s amazing work stand out even more. How much wallpaper does Ms. Madzia need?
49 000 cm2
500
Find the missing sides, perimeter AND area of the following irregular shape:
Missing Sides = 5 mm and 23 mm P = 70 mm A = 220 mm2