Aidan Roantree, Senior Maths teacher at The Institute of Education, steps through some sample questions and answers in these three online tutorials below.

Aidan Roantree is senior maths teacher at The Institute of Education, where he has been teaching maths and applied maths for 25 years. The author of 12 major maths books, Aidan is currently putting the finishing touches to a new series of text books, covering the new Project Maths syllabus.