Area of Common Shapes

1
Area of Common Shapes
2
8cm
2cm
Rectangles
How many squares do you need to fill the
rectangle?
Area of a rectangle
Length x Width
3
6cm
3cm
What is the area of the rectangle?
Triangles
What shape is created when I cut the rectangle in
half?
4
3cm
6cm
Triangles
What is the area of the triangle?
5
Is the area of the triangle still half the area
of the rectangle?
Triangles
6
Find the area of these triangles
3cm
12cm2
Triangles
8cm
Can you think of some more triangles with the
same area?
4cm
12cm2
6cm
7
What is the name of this shape?
How can you find the area of this shape?
Parallelogram
8
What is the area of this parallelogram?
5cm
4cm
50cm2
10cm
Parallelogram
What is the height of this parallelogram?
60cm2
?
12cm
5cm
9
If I stick two trapeziums together, what shape do
I get?
Trapezium
How do I find the area of the two shapes together?
How do I find the area of just one trapezium?
Area of a trapezium (ab)h
2