Category Archives: Bad Maths

A gallery of bad graphs

I collect bad graphs. I used to keep them as a PowerPoint, but I thought I’d bring them together here as a slideshow. I did promise to do this a month ago. Sorry to @VVMinkov on Twitter. Usually I present the graphs. Ask students to think for themselves for 30 seconds. Then talk to their… Read More »

Bad Maths

A student sent me this. I’ve started a ‘bad maths’ category. Does showing students this kind of stuff and asking for them to be aware/send examples to you make them more mathematically aware?