# January, 2013

## Remembering how to differentiate – Secrets of the Mathematical Ninja

The Mathematical Ninja makes ample use of mnemonics to remember how to do just about everything. He was quite upset when Pluto was demoted, because "My Very Easy Mnemonic Just Serves Up Nine" doesn't make any sense. In particular, the Mathematical Ninja has a creed. A strict set of rules

## Silly Questions Amnesty

Happy new year, everyone! Largely useless factoid: 2013 is $3 \times 11 \times 61$. What silly questions do you have for me this year?

## How to think about co-ordinate geometry (Part I: the equation of a line)

Pretty much every C1 student I’ve ever worked with has said the same thing: I don’t get the big questions at the end of the paper. The ones with the curves and the equation of a line and the tangents and the turning points — what’s that all about? So,