Pie charts are a great example of how people go wrong.
Right who wants to tell me what a pie chart is?
What sort of things have you seen pie charts used for?
When a pie chart looks like that it means everyone doesn't know.
Right so how would you like to have a go at drawing your pie chart?
A pie chart shows the proportion of red and blue so far.
The second and more interesting pie chart would describe how the money was lost.
Pie charts are very widely used in the business world and the mass media.
Okay good now this is probably the first real go at doing pie charts that you've had isn't it?
So we'll draw a pie chart now which one shall we do first?
