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How thick is tin foil?

I am sure you have all challenged students estimate the thickness of a piece of standard A4 paper. It can be hilarious watching students squinting at their see through shatterproof ruler in a vain attempt to measure the thickness of one piece of paper they have been given. Eventually a strategy is...


Courses available at The National STEM Centre

We are currently taking bookings for a number of mathematics courses taking place at National STEM Centre in the spring term.

Developing mathematical understanding through reasoning and problem solving

An intensive two part residential course in which participants will explore the importance of...


New Look IMA e16 plus magazine

The latest issue of the IMA e16 plus magazine is now available. Thoroughly recommended for sixth form students who may be considering a mathematics, or mathematics related, degree at university. This issue contains careers profiles, maths in the real world, maths in the news, puzzles and competitions and much...


The train track puzzle

One of the things I like about Christmas holidays is the chance to play some games and complete some puzzles. A few weeks ago I was sent the train track puzzle, attached to this post, which I have just had chance to complete. I like this puzzle as it is two stages: first to calculate how many tracks...


Grants to Enhance the Teaching of Mathematics (UK)

The London Mathematical Society has announced that Mathematics Teachers in the UK can apply for grants of up to £400 to attend specific one or two day conferences/events organised by professional mathematical organisations.

The aim of the grant is to facilitate...


#ThrowbackThursday: Old New Year

Did you know that the Gregorian calendar we use and an actual planetary year differ by 0.0003 days per year? That’s around 26 seconds difference each year.

Or that in Britain September 2nd 1752 was followed directly by September 14th? Rioting ensued over the '...


Teacher's TV videos and related resources


Teacher’s TV produced was originally a television channel which aimed to provide support for both new and experienced teachers, school leaders, support staff and governors. Videos were filmed inside real classrooms, with teachers sharing good practice and ideas for lessons. There are also...


New prime number discovery

I'm not sure what it was doing there, but the largest known prime number was discovered in Missouri this week.

You can read about it in this BBC article, discover what it looks like when printed in full , or see more on the mathematics behind its discovery in this Numberphile video.



#ThrowbackThursday: Eight Days a week

“The first odd number is 1. What is the hundredth?”

Eight questions: one for each day of the week plus one extra, that explore odd numbers, sequences, prime numbers, fractions, multiplication and division.

“Using all the digits from 1 to 5 once only, make two numbers which...


A Paper Puzzle

The A series of paper are very useful in mathematics lessons as whichever sized piece of paper you choose the ratio of the length to the width is √2 to 1. I came across this interesting question recently. Taking any piece of A sized paper, A4 is the most common, and letting the length be  √2...