I’ve just sorted these videos and more into a youtube playlist:

This playlist has all the videos embedded below as well as a number of past paper exam worked solutions for each section. If you prefer your videos embedded here, then scroll down below!

Algebra 1

Arithmetic sequences:

Geometric sequences:

Finding the sum of an arithmetic series:

Finding the sum of a geometric series:

Binomial expansion:

Another binomial expansion example:


Permutations with repeated symbols: