Y1 Proof
What
To understand and use the structure of mathematical proof. You need to be able to use proof by deduction, proof by exhaustion and proof by counter example. You must be able to recognise when the each is most appropriate.
First year A-Level does not go far beyond GCSE. In the second year you will encounter proof by contradiction.
Practice
Worksheet
Read this document and try the questions at the end. The answers are included in the document.You do not need to do the proof by contradiction until the second year.Additional Practice Questions
Help
The document from the Practice section above has some really useful examples
Online help
This set of videos covers everything you need to know for the first year of A-Level.