BBC Maths quiz
A very nice flash animation is used to provide a compact quiz on a Web page – and anything that gets people talking about Maths in their teabreaks has to be good.
However, I think an opportunity has been missed for a bit of learning here – the feedback simply tells you that the answer is wrong and then gives the right answer. Perhaps if each distractor had a different feedback message that gave a possible error analysis, the quiz might be more useful. Hot Potatoes and the quiz generator in Moodle both provide facilities for different feedback messages with each distractor.