MathsJam
@mathsjam.bsky.social
Maths Jam is an opportunity for self-confessed maths enthusiasts to meet in a pub & share puzzles, games, and other cool maths stuff. Find your local at mathsjam.com
Manchester: at our usual table! We didn't bring a chessboard, but are now discussing whether a drawing of a chessboard is itself a chessboard. And what other objects have the property that a drawing of one on a piece of paper serves the same function as the object itself?
September 22, 2026 at 6:55 PM
Manchester: at our usual table! We didn't bring a chessboard, but are now discussing whether a drawing of a chessboard is itself a chessboard. And what other objects have the property that a drawing of one on a piece of paper serves the same function as the object itself?
King's Lynn MathsJam is at table 2. MATHS!
September 22, 2026 at 6:19 PM
King's Lynn MathsJam is at table 2. MATHS!
London UK: we are on table 6 come find us we have puzzles
September 22, 2026 at 6:02 PM
London UK: we are on table 6 come find us we have puzzles
Exeter: it's semiprime time! Setting up at table 15, through the front door just behind the first pillar.
September 22, 2026 at 6:02 PM
Exeter: it's semiprime time! Setting up at table 15, through the front door just behind the first pillar.
It's MathsJam day! For anyone joining in at home, here's this month's MathsJam Shout with some puzzles and games to keep you busy (no spoilers please!) https://mathsjam.com/shout/MJShout.pdf
September 22, 2026 at 9:03 AM
It's MathsJam day! For anyone joining in at home, here's this month's MathsJam Shout with some puzzles and games to keep you busy (no spoilers please!) https://mathsjam.com/shout/MJShout.pdf
Tomorrow is MathsJam, happening online and in pubs all over the world! Find your nearest and join some recreational maths friends by visiting https://mathsjam.com .
September 21, 2026 at 1:03 PM
Tomorrow is MathsJam, happening online and in pubs all over the world! Find your nearest and join some recreational maths friends by visiting https://mathsjam.com .
One week to go until MathsJam - an opportunity to meet other maths fans, and have fun in the sum(s), in a pub or virtual pub. Find out more and join in at https://mathsjam.com
September 15, 2026 at 10:02 AM
One week to go until MathsJam - an opportunity to meet other maths fans, and have fun in the sum(s), in a pub or virtual pub. Find out more and join in at https://mathsjam.com
MathsJam is a monthly opportunity for like-minded self-confessed maths enthusiasts to get together in a pub and share stuff they like. Puzzles, games, problems, or just anything they think is cool or interesting. Get involved at https://mathsjam.com !
September 14, 2026 at 12:04 PM
MathsJam is a monthly opportunity for like-minded self-confessed maths enthusiasts to get together in a pub and share stuff they like. Puzzles, games, problems, or just anything they think is cool or interesting. Get involved at https://mathsjam.com !
Manchester: lots of polyhedra chat, including about the maximal polyhedron with n vertices inscribed in a sphere (see https://oeis.org/A339260 etc) and how to make an icosidodecahedron
August 18, 2026 at 8:08 PM
Manchester: lots of polyhedra chat, including about the maximal polyhedron with n vertices inscribed in a sphere (see https://oeis.org/A339260 etc) and how to make an icosidodecahedron
King's Lynn: we're jamming at table 99
August 18, 2026 at 6:32 PM
King's Lynn: we're jamming at table 99
Manchester: we have come up with a much less impressive version of the card trick on the Shout, which involves forgetting to ask your volunteer to add 5
August 18, 2026 at 6:32 PM
Manchester: we have come up with a much less impressive version of the card trick on the Shout, which involves forgetting to ask your volunteer to add 5
Exeter is on 13 right as you come in the front!
August 18, 2026 at 6:02 PM
Exeter is on 13 right as you come in the front!
Manchester: in the usual spot, under the stairs opposite the bar
August 18, 2026 at 5:56 PM
Manchester: in the usual spot, under the stairs opposite the bar
London UK: we are on table 1, come find us we have puzzles
August 18, 2026 at 5:56 PM
London UK: we are on table 1, come find us we have puzzles
It's MathsJam day! For anyone who wants to join in, here's this month's MathsJam Shout with some puzzles and games for you to enjoy (no spoilers please!) https://mathsjam.com/shout/MJShout.pdf
August 18, 2026 at 9:02 AM
It's MathsJam day! For anyone who wants to join in, here's this month's MathsJam Shout with some puzzles and games for you to enjoy (no spoilers please!) https://mathsjam.com/shout/MJShout.pdf
Tomorrow evening is MathsJam, happening online and in pubs around the world! Find your local and join some recreational maths friends by visiting https://mathsjam.com .
August 17, 2026 at 1:02 PM
Tomorrow evening is MathsJam, happening online and in pubs around the world! Find your local and join some recreational maths friends by visiting https://mathsjam.com .
Only one week until MathsJam - an opportunity to meet other maths fans, and solve puzzles, in a pub or virtual pub. Find out more and join in at https://mathsjam.com
August 11, 2026 at 11:04 AM
Only one week until MathsJam - an opportunity to meet other maths fans, and solve puzzles, in a pub or virtual pub. Find out more and join in at https://mathsjam.com
Don’t forget that as well as being a monthly evening event, MathsJam also has annual gatherings! The UK one is 14-15 November in Kents Hill and online - details at https://mathsjam.com/gathering/uk
August 11, 2026 at 8:28 AM
Don’t forget that as well as being a monthly evening event, MathsJam also has annual gatherings! The UK one is 14-15 November in Kents Hill and online - details at https://mathsjam.com/gathering/uk
As well as our monthly pub hangouts, there are also larger annual MathsJam gatherings - one in the UK in about November, and one in Oceania (New Zealand) - for details visit https://mathsjam.com/gathering
August 8, 2026 at 10:05 AM
As well as our monthly pub hangouts, there are also larger annual MathsJam gatherings - one in the UK in about November, and one in Oceania (New Zealand) - for details visit https://mathsjam.com/gathering
MathsJam is a monthly opportunity for like-minded self-confessed maths enthusiasts to get together in a pub and share stuff they like. Puzzles, games, problems, or just anything they think is cool or interesting. See how to join in at https://mathsjam.com !
August 3, 2026 at 12:05 PM
MathsJam is a monthly opportunity for like-minded self-confessed maths enthusiasts to get together in a pub and share stuff they like. Puzzles, games, problems, or just anything they think is cool or interesting. See how to join in at https://mathsjam.com !
London UK: we are on tables 7 and 14, coke find us we have puzzles
July 21, 2026 at 6:54 PM
London UK: we are on tables 7 and 14, coke find us we have puzzles
Exeter is starting at table 14, near the front. Games, games and more games!
July 21, 2026 at 6:00 PM
Exeter is starting at table 14, near the front. Games, games and more games!
MathsJam is today! For anyone who wants to join in, here's this month's MathsJam Shout with some puzzles and games for you to enjoy (no spoilers please!) https://mathsjam.com/shout/MJShout.pdf
July 21, 2026 at 9:00 AM
MathsJam is today! For anyone who wants to join in, here's this month's MathsJam Shout with some puzzles and games for you to enjoy (no spoilers please!) https://mathsjam.com/shout/MJShout.pdf
For tomorrow's MathsJam, we've put together a pair of origami footballs printed with the design of this year's World Cup Ball (the Trionda) which you can print and fold! Thanks to Ottawa MathJam for the idea, and to Alice Zhang for putting the design together: mathsjam.com/assets/...
July 20, 2026 at 3:13 PM
For tomorrow's MathsJam, we've put together a pair of origami footballs printed with the design of this year's World Cup Ball (the Trionda) which you can print and fold! Thanks to Ottawa MathJam for the idea, and to Alice Zhang for putting the design together: mathsjam.com/assets/...
Tomorrow night is MathsJam, happening online and in pubs all over the world! Find your nearest and join some fellow maths fans by visiting https://mathsjam.com .
July 20, 2026 at 12:00 PM
Tomorrow night is MathsJam, happening online and in pubs all over the world! Find your nearest and join some fellow maths fans by visiting https://mathsjam.com .