Christmas Crackers with Math Riddles

Submitted by Belinda Keir Christmas crackers (also called bon bons) are an essential part of everyone’s Christmas table in the UK and also in most Australian homes, so currently they are everywhere in the shops. I like to make my own and will create a batch for the...

One Member’s Take on MathsJam

Submitted by Belinda Keir MathsJam is a world-wide movement where people get together for a social evening to share and solve mathematical games and puzzles. If you are looking for your local MathsJam they will be the group of noisy people at your local pub, usually...

CoM Featured in NYT Numberplay Blog!

Gary Antonick has created or edited over 100 logic and math puzzles for The New York Times. He is a visiting scholar at Stanford University, where he studies mathematical problem solving. He is also the author of the New York Times Numberplay blog, and gave a talk on...

Richard Guy 100th Birthday Collection

Beloved mathematician, Richard K Guy, turned 100 on Friday, September 30th. Many friends and fans put together tributes to mark this very special occasion. Here is a sampling of some of our favorites: Richard K. Guy Turns 100 – by Colm Mulcahy, MAA “Richard K....

2016 Theme for CoM: ’16 Square

What’s the 2016 Theme? The theme for this year’s Celebration of Mind is ’16 Square. Have any great ideas for puzzles, games or magic tricks that feature squares? Send them to celebrationofmind@gmail.com and we’ll share them with our...