Formulate the Answer
What is the area formula for a rectangle?
A = length x width
Find the area of a rectangle that has a length of 6cm and a width of 5cm.
30cm2
Find the perimeter of a square that has a side length of 12cm.
48cm
What is the definition of perimeter?
The distance around the edge of a shape
What is the area formula for a square?
A = s x s
OR A = s2
Find the area of a square with side length 7mm.
49mm2
Find the perimeter of the rectangle with a length of 8m and a width of 5m.
26m
What is the definition of area?
The amount of space inside a shape
What is the formula for area of a parallelogram?
A = base x height
Find the area of a triangle which has a height of 5cm and a base length of 18cm
45cm2
Find the perimeter of this irregular shape:
51cm
What are two properties of a parallelogram?
Opposite sides are equal
Opposite sides are parallel
What is the formula for area for a triangle?
A = base x height / 2
The classroom is getting new pink carpet. If the room has a length of 10cm and a width of 6cm. How much carpet will the room need?
60cm2
Find the perimeter of this composite shape:
36cm
What is a composite shape?
A shape made up of two or more other shapes
What is the shortcut formula for calculating the perimeter of a rectangle?
P = 2l + 2w
Ben is painting his room. He paints 3 walls. Each wall has dimensions of 11 x 8 meters. What is the total area that Ben has to paint?
264m2
Hannah and Sally are planting gardens. Hannah's garden is 2 x 8 meters long. Sally's garden is 4 x 4 meters long. They want to put fencing around their gardens. Who will need more fencing?
Hannah
What is different about units of area compared to units of perimeter?
Units of area are "square units"