I produced these the evening students took the 2015 paper! (after a Tiffin student requested them)
Lots of past paper questions with solutions and tips, divided up by topic.
Advice on answers Section B questions on the Maths Aptitude Test.
Worksheets for practising certain topic-based skills for the Maths Aptitude Test, particularly for Section A.
Key Skills are finegrained question types where students can practise randomly generated questions with accompanying short worked-example videos.