Posted in ninja maths

Learning the rough value of a few key numbers worth knowing can make ninja maths a lot more impressive later on - especially if you know how roughly how rough the rough values are. A little bit about the tables below: I'm giving you decimals to two sig figs, the

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Posted in free-for-all friday

The end of the week already? Doesn't it fly? Well, what can I help you with this week? Just drop me a comment below and I'll do what I can to answer it.

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Posted in quotes

I am too good for philosophy and not good enough for physics. Mathematics is in between. - George Polya, author of How To Solve It, one of my favourite maths books.

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Posted in algebra, circles, quadratics

-or- matching coefficients for fun and profit I bluffed my way through completing the square at A-level. I guessed, dropped minus signs, and dropped marks all the way. It was only once I started teaching it that I figured out completing the square. Let me share it with you. Completing

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Posted in ninja maths

Difficulty: ** Impressiveness: **** If you do A-level maths, you do an awful lot of integration. You integrate polynomials, trig functions, partial fractions, exponentials, parametric curves, products of these... and get nice analytical answers. Here, let me provoke controversy: Unless you're going to be a pure mathematician or a maths

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Posted in free-for-all friday

It's the Easter break, time to make good on all those promises to put the work in before the exams! How can I help you this week? What's bothering you? Where are you stuck? Let me know in the comments and I'll get back to you as soon as I

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Posted in revision

There's a dark cloud looming. It's already April and the AS and A2 maths exams are unusually early this year. So, the question is, what can you do to revise effectively without driving yourself crazy? Here are my top three tips for getting on top of the material rather than

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Posted in ninja maths

Difficulty: (simple version) *** (advanced version) ***** Impressiveness: ***** Accuracy: *** If you're a statistician, you quite often end up working out powers of numbers just a little less than 1. What's the probability of rolling a pair of dice ten times and never getting a double six? It's $\left(\frac{35}{36}\right)^{10}$.

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Posted in free-for-all friday

It's that time of the week again! What's been on your mind? What's giving you a headache? As always, drop your questions in the comments box and I'll get back to you as swiftly as I can!

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