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Tuesday, 14 February 2017  |  Paul Stephenson

The 4 Colour Map Theorem says that you never need more than 4 colours to colour a map so that regions with the same colour don’t touch. You have to count the region round the edge because the theorem is really about a map drawn on a sphere. The theorem is shape-blind. It doesn’t matter what shape a region is. What matters are the regions it shares a border with.

Friday, 10 February 2017  |  Paul

I am the Teaching and Learning Adviser for Maths and Numeracy for Jersey in the Channel Islands. Having purchased some Polydron for delivering some class based reasoning activities, I started to wonder about the possibility of running an interschool competition where the rounds of the competition are hands on construction activities with Polydron.

Monday, 12 December 2016  |  Paul

Most children at school start learning about magnetism with the use of bar magnets, horseshoe magnets or magnetic marbles.

Friday, 4 November 2016  |  Paul

Portland Public School kindergarten teacher Nicki Eybel recently sent us a great question:

Wednesday, 5 October 2016  |  Paul

Archimedes famously discovered that the volumes of a cone, a hemisphere and a cylinder of the same height and diameter stand in the ratio 1 : 2 : 3.

Thursday, 22 September 2016  |  Paul

We teamed up with @thedadlab to run a competition to win a set of Translucent Polydron, and were absolutely delighted by the response.

Thursday, 28 July 2016  |  Paul

The etymology of geometry comes from Ancient Greek from 2 words - "ge" which means "earth" and "metria" which means "measuring".

Monday, 27 June 2016  |  Paul

We are excited to announce that we have now started to make our favourite ranges in wood!

Friday, 10 June 2016  |  Paul

It has become increasingly essential for young children to explore their external outdoor environment during the Early Years Foundation Stage (EYFS). Indeed, it is now a requirement for all children to have access to an outdoor play area or to take part in outdoor activities unless circumstances such as the weather prevent it.

Wednesday, 4 May 2016  |  Paul

The ATM Easter Conference offers a host of different activities and experiences, but at the heart of them all is the opportunity to become immersed in mathematical problems, thoughts and explorations. These often arise from sessions or discussions at the conference itself, but last year I arrived with a problem already buzzing through my mind.


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