A new Parallelogram is out! Free maths puzzle sheets for 10 to 15-year-olds. This week - depending on your age - Ramanujan (The Man Who Knew Infinity), square wheels, Map of Mathematics, chess and earthquakes. parallel.org.uk

A new Parallelogram is out! Free maths puzzle sheets for 10 to 15-year-olds. This week - depending on your age - riddles, exo-planets, Stephen Hawking, maths movies & approximating square roots skyscrapers . parallel.org.uk

Just a note to say that we will start using this account from now on to send out messages about Parallel.

Thanks for following, but we rarely use this account, so for updates on Parallel (and other maths projects), please follow @SLSingh and/or @GoodThinkingSoc BTW New Parallelograms start today - visit parallel.org.uk for weekly maths sheets for Y7, Y8 & Y9 students.

Thanks for following, but we rarely use this account, so for updates on Parallel and other maths projects, please follow @SLSingh and/or @GoodThinkingSoc BTW New Parallelograms start today - visit parallel.org.uk for weekly maths sheets for Y7, Y8 & Y9 students.

nice to see an pop engineering book in the shops soon - BUILT by @RomaTheEngineer x.com/RomaTheEngineer/status…

Hey check this out Illusion of the Year illusionoftheyear.com/2006/0…

The Bots Beat Us. Now What? 53eig.ht/2thtgbB