Big MathsJam

Big MathsJam

@bigmathsjam.bsky.social

Big MathsJam is the annual UK MathsJam Gathering - an opportunity to meet other maths fans and share puzzles, games and interesting problems. November 14-15 2026

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Only a few weeks to go until this year’s MathsJam UK Gathering! Are you booked on? Are you joining us online? We’re looking forward to seeing you there. Bring your favourite puzzles and toys!

The deadline to submit talks for this year's MathsJam UK Gathering is coming up soon on 19th October - if you're booked for the event, you should have been emailed a link to submit talks (and if not, there are still tickets available!)

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We can provide support to new speakers, advise on topics and give feedback - email gathering@mathsjam.com if you’re not sure. The form to submit talks is in the email you get when you register for the event.

If you’d like to give a talk, the deadline is 19th October so you’ll need to book soon to be able to submit one. We’d love to have more talks from people who haven’t spoken before - whatever interesting bit of maths you want to share, we want to hear about it.

Want to help out with this year’s MathsJam UK Gathering? We need volunteers to help with running the event, organising lifts for attendees, and many other things! Email volunteer@mathsjam.com if you can help.

For this year's MathsJam UK Gathering, the early-bird cutoff is a number of tickets - the first 101 people to book will get a discount, so don't miss out! The Graph of Doom is already looking quite steep, and more than half the early-bird spaces are gone already...

The UK MathsJam Gathering includes four sessions of lightning talks sharing maths puzzles and interesting things, generous coffee breaks, evening table activities, a bake-off, a sing-a-long, two lunches and dinner. Join other maths fans for a recreational maths extravaganza! mathsjam.com/gatheri...

Big MathsJam reposted

Arrived at #MathsJam on Friday to find my front door key tangled up in my keyring. Many mathematicians (>10) had a go at untangling it. No go. Stupid o'clock Sunday morning, heading to check out as I had to miss the final day, I pull my keys from my back pocket. All untangled. #MathsJam trolling me.

Big MathsJam reposted

Big #MathsJam -ers who took the train home today and are also movie fans might have recognised the railway station building from 1987's Superman IV. Various other buildings in CMK were used as locations for bits of Metropolis in the movie. www.bbc.co.uk/news/uk-engl...

bbc.co.ukSuperman IV film recreated in Milton Keynes 30 years on - BBC NewsAn artist recreates 10 minutes of the 1986 film Superman IV: The Quest For Peace, where it was originally shot in Milton Keynes.

Big MathsJam reposted

Had a lovely weekend at @bigmathsjam.bsky.social getting lots of mathsy inspiration from all the best people, but I'd be lying if I said that I wasn't also glad to be going home to destimulate!! Thanks so much to Colin Katie, Scroggs and everyone else who helped for a brilliant time! #Mathsjam

And we're all done with the MathsJam UK Gathering for 2025! Thanks to everyone who came along and joined us - in-person or online - and who gave talks, volunteered to help or brought along interesting maths to share! Hope to see you all again next time!

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Finally, to wrap up MathsJam for this year, Colin Wright got us thinking about compass and straight-edge constructions of a regular pentagon, and how we know such a construction is exact.

Next, Barney Maunder-Taylor shared what happens when you glue a square based pyramid and a triangular based pyramid together. Can you prove that the volume of the square-based pyramid is twice that of the triangular?