Below you can see videos arranged according to the chapters in the textbook. There is another page with past papers here.
Buy the official course textbook, exam practice questions and revision guide here (Amazon affiliate links):
Chapter 2 Polynomials, functions and equations
Chapter 3 Applications of equations and inequalities in one variable
Chapter 4 Sequences and recurrence relationships
Chapter 5 Points, lines and circles
Chapter 6 Graphs
Chapter 7 Linear inequalities in two variables
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Chapter 8 Trigonometric functions
Chapter 10 Permutations and Combinations
Chapter 11 The binomial distribution
Chapter 14 Differentiation
Chapter 16 Applications to Kinematics
0. Introduction to mechanics at A-level
1. Constant acceleration formulae (suvat equations)
2*. Deriving the suvat equations
3. Suvat equations examples
4. Free fall under gravity
5. Using differentiation to find velocity and acceleration
6. Using differentiation and integration to solve 1d kinematics problems
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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.