The links below will open PDF presentations about the various mathematical topics I've taught during my career.
They range in complexity from higher GCSE to first year of an undergraduate maths degree.
For best results: download the PDF to your computer and open in full screen (e.g. press ctrl-L on Acrobat Reader).
Trig transformations & identities
Differential equations (1st order)
Kinematics with vectors
Sine, cosine, tangent equations and more
Solving triangles & sectors
Sequences and Series
Numerical solution of equations
Matrices and linear systems
Vectors in 2D and 3D
Polar equations and graphs