This Maths teacher put a lot of effort into his April Fool’s day joke for his Maths class this year.
This one required much more effort than the Joke I sent out to staff at my school via email:
Have been asked by IT to ensure all computers are thoroughly cleaned before the end of term, by clicking on the following link:
Please do as soon as possible, only takes a few minutes and runs automatically.
If tinyurl is blocked from your location, original site is http://www.raincitystory.com/flash/screenclean.swf or download here.
At least a number of staff found it amusing, while some thought it was serious and asked how long it had to run for.