Youtube videos to have a look at:

https://www.youtube.com/watch?v=C8o0vfQe_6A

https://www.youtube.com/watch?v=kqxA_DjLOYs

https://www.youtube.com/watch?v=-8_n2zWGN5I

From the text books - Attempt the Challenge questions (in orange) and any of the Mixed Exercise questions at the end of each chapter

https://www.physicsandmathstutor.com/maths-revision/