Rectangles
Parallelogram
Triangle
100
The formula for area of a rectangle.
What is A = b x h?
100
Identify the height of this parallelogram.
What is 6cm?
100
The formula for area of a triangle.
What is A = (b x h) ÷ 2?
200
Find the area of a rectangle with base of 8m and a height of 3m.
What is 24m2?
A = b x h
A = 8m x 3m
A = 24m2
200
The formula for the area of a parallelogram.
What is A = b x h?
200
How you find the perimeter of a triangle.
What is you add the measurement of all three sides?
300
How you find the perimeter of a rectangle.
What is you add the measurements of all the sides (P = b + h + b + h)?
or
What is P = (b + h) x 2
300
How you find the perimeter of a parallelogram.
What is you add all four sides?
300
The area of a triangle with a base of 12m and a height of 9m.
What is 54m2?
A = (b x h) ÷ 2
A = (12m x 9m) ÷ 2
A = 108m2 ÷ 2
A = 54m2
400
The perimeter of a rectangle with a base of 15m and a height of 10m.
What is 50m?
P = 15m + 10m + 15m + 10m
P = 50m
400
The area of this parallelogram. 
What is 48m2?
A = b x h
A = 8m x 6m
A = 48m2
400
The perimeter of this equilateral triangle.
What is 45cm?
P = 15cm + 15cm + 15cm
P = 45cm
500
A rectangle has a perimeter of 30m. The base is 10m. What is the height?
5m.
500
The perimeter of this parallelogram.
What is 40cm?
P = 8cm + 12cm + 8cm + 12cm
P = 40cm
500
A triangle and a rectangle have the same base and height. Two of the same triangles can fit perfectly inside the rectangle.
(Why...)
Why the formula for the area of a triangle is base × height ÷ 2?