Below you can find teaching videos on all GCSE and IGCSE Mathematics topics.  There is also a page of  Past Papers for Edexcel IGCSE  which includes video solutions for 3 full practice papers for the new 9-1 syllabus and another page of practice exam questions by topic with video solutions!

The Casio fx-991 is the calculator I would recommend for GCSE and IGCSE examinations. You can buy it here or read more detail about this and other calculators in my complete guide to buying the right calculator for school mathematics.

Buy Edexcel IGCSE revision cards:

Buy Edexcel IGCSE revision guide:

Buy Cambridge IGCSE revision guide:

Algebra – Direct and Inverse Proportion