Here you can see my videos about A-level mathematics organised by the Chapters in the A-level textbooks. The content should be very similar for all exam boards for single maths A-level.

Note: Work in Progress! Please check back soon for more content. This content is actively in development and expected to be much more complete by Summer 2020!

## Chapter 1 Proof

## Chapter 3 Sequences and Series

1. Intro to sequence notation

1a. Formal notation for sequences and series *NEW 2021*

1b. Linear, quadratic and geometric sequences *NEW 2021*

2. Arithmetic progressions (APs)

3. General formulae for APs

4. Geometric progressions (GPs) including general formulae

5. Sigma notation for summing series

6. Sum of an AP

7. Sum of a finite GP

8. Sum to infinity of a GP

9*. Summing the harmonic series

10*. Calculating mortgage repayments using geometric progressions

11*. The link between differencing sequences and differentiating functions

ONLINE COURSE: Sequences and series, APs and GPS- Mathsaurus course with teaching videos and worksheets with full video solutions