It’s five in a row for the teachers, having once again correctly predicted the most common student misconception in a straight line graphs question (see **last week’s results**). This week we take a look at a lovely tree diagrams question.

Can you predict the most common way students went wrong with this one? Get your votes in, share with your colleagues and students to see what they think, and the answers will be revealed next week!

You can access all the GCSE Maths Essential Skills quizzes for free **here**.