GCSE revision season is well underway, and as it gets nearer to the start of your maths exams you might be feeling all kinds of emotions, but try not to get too stressed! Our brand new Bitesize ...

Well, all probabilities must add up to one ... This clip will be relevant for teaching Maths at KS3/GCSE in England Wales and Northern Ireland. Also at National 4, 5 and Higher in Scotland.