Posted in basic maths skills, history, mathematical style, ranting.

A guest post, today, from someone who's almost as angry as the Mathematical Ninja. Bletchley Park's Education Officer Tom Briggs is mad as hell, and he's not going to take it any more. I'm not a maths teacher any more1 but I still find myself having those same old conversations...

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Posted in basic maths skills, fractions, reader questions.

A reader asks: "When you're working out an expression, why do you sometimes divide after you multiply, when the BIDMAS rules say D comes before M?" This is exactly the reason I don't like BIDMAS - because it suggests something that simply isn't true (that division is before multiplication and

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Posted in basic maths skills, fractions, reader questions.

A reader asks: "When you're working out an expression, why do you sometimes divide after you multiply, when the BIDMAS rules say D comes before M?" This is exactly the reason I don't like BIDMAS - because it suggests something that simply isn't true (that division is before multiplication and

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Posted in basic maths skills.

As you might know (if you've spotted the big yellow bar above), I'm training for the Berlin Marathon in memory of my grandmother (you can support me - and the Alzheimer's Society - by sponsoring me here). One of the perks of marathon training is that I get to eat

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Posted in basic maths skills.

It's a sunny Saturday1, and two maths items have caught my eye. Firstly, a bit of a cock-up on the sums front from Andover Tesco (via ): Is Andover @uktesco onto the next best thing to gold? Blueberries! at £8000/kg @whichconvo @moneysavingexp E.Privett twitter.com/ReevesHall/sta… — Andrew Reeves-Hall (@ReevesHall) June 7,

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Posted in basic maths skills.

It wasn't a big grocery run - in those days, I was a single bloke, living alone; a loaf of bread, a frozen pizza, a jar of coffee... "Dinner," as I called it. Oh and a few Lindt balls. You know them - the little chocolate balls you get at

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Posted in basic maths skills.

I caught a bit of the Chancellor's budget speech recently. I try to avoid doing silly things like that, it just makes me angry. However, I was interested to find I was hearing big numbers bandied about without really knowing what was big in the context of a national budget.

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Posted in basic maths skills.

My colleague Adrian has submitted a guest post in the form of a video explaining how to answer a typical QTS mental arithmetic question on percentages. Adrian? Take it away. Or rather, divide it and multiply it!

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Posted in basic maths skills.

I have no particular view on the sovereignty of the Falkland Islands. Or rather, I get so muddled up between my distaste for colonialism and the right of self-determination that I don't know what to think. In any case, I was interested by the recent referendum results in which the

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