Note: The syllabus for this paper changed in 2019 (see the official website for more details).  Previously I made a playlist of past paper questions by topic. You can view it below, but some of the topics are no longer in the syllabus.

YOUTUBE Video Solutions

Similarly, past papers and markschemes for the paper can be downloaded below, but these are for the old syllabus:

Buy the official course textbook, exam practice questions and revision guide (for the new syllabus) here:

Textbook

Exam Practice

Revision Notes

Past Papers:
June 18June 18 Mark Scheme
June 17June 17 Mark Scheme
June 16June 16 Mark Scheme
June 15June 15 Mark Scheme
June 14June 14 Mark Scheme
June 13June 13 Mark Scheme
June 12June 12 Mark Scheme
June 11June 11 Mark Scheme
June 10June 10 Mark Scheme
June 09June 09 Mark Scheme
June 08June 08 Mark Scheme
June 07June 07 Mark Scheme
June 06June 06 Mark Scheme
June 05June 05 Mark Scheme
June 04June 04 Mark Scheme
June 03June 03 Mark Scheme
Practice Paper APractice Paper A Solutions
Practice Paper BPractice Paper B Solutions
Specimen PaperSpecimen Paper Solutions