If you are serious about making the most of your mathematical education, here are my suggestions for websites, software and youtube channels you should get into:
So you want to be an A-level Mathematician?
AQA Further Mathematics Level 2 QualificationThis is a relatively new qualification designed for students who have achieved, or are expecting to achieve, an A or A* in GCSE Maths and are planning to go on to study Maths and possibly Further Maths at A-level. An overview of the course is given below, along with links to AQA resources. This is often offered as an additional qualification to high-achieving GCSE students, and is likely to demand a high level of independent study. The resources offered below are aimed primarily at revision. There are past exam papers, including some with full worked solutions and my own revision guide.