G4G6 (2004) Recap
G4G6 – Atlanta, Georgia – Spring 2004 Share Your Memories The G4G Foundation is working to compile a record of each past Gathering (G4Gn). We’re looking for: Your favorite presentations …
G4G5 (2002) Recap
G4G5 – Atlanta, Georgia – Spring 2002 YouTube Slideshow of Photos Taken at G4G5 – Created by J Carey Lauder Recap By Scott Kim Gathering for Gardner 5 – Inspiration Behind Scott Kim’s Design …
G4G (1993) thru G4G4 (2000) Recaps
G4G4 → 2000 G4G3 → 1998 G4G2 → 1996 At the second gathering, members began retroactively referring to the first event as G4G1. G4G(1) → 1993 The first Gathering …
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. …
Magic Square Game
Based on Leonard Euler’s Semi Magic Squares. Arrange the 16 cubes into a magic square, find a partner and play a magic cube game where you take turns placing the …
Armand Tribute Crossword Puzzle
If you’re thinking you don’t know much about Armand T. Ringer and therefore won’t have much success at a related crossword puzzle, think again. This poet and math enthusiast might …
Doubly Marked Robinson Tiles
These Robinson Tiles are like nothing you’ve seen before and are sure to boggle your mind! Cut them out and play around with putting them together. What structure do they …
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 …
Games Kit
A collection of 12 classic games that were part of the Portuguese Championship of Mathematical games (2004-2013). Each of the selected games strengthens focus, visualization, forward thinking, and problem solving …
Wordless Geometry
Can you figure out what fraction of each shape is shaded? It seems tricky but you don’t even need a paper or pencil to solve these simple puzzles—just look carefully …
Latin Erdős
A Sudoku-like strategy game in which players take turns placing numbered tokens on a grid. Tokens must be placed so that no single number appears twice in a row or …
Card Deck of Games
Rules to 26 simple pencil and paper games including classics such as Nim, Dots and Boxes, Sudoku, Hex and others you’ve likely never heard of before! Submitted by: Jorge Nuno …
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 …
The Global Math Project Videos
These videos aren’t quite activities in themselves, but they were too great not to share with our Celebration of Mind event hosts. Have fun turning these concepts into math problems …
Mathemagician Crossword
Calling all mathemagicians! Solve all 127 magical clues to complete this New York Times Thursday crossword puzzle. Submitted by: Dana Richards Time Required: 30 minutes + You’ll Need: pen or …
74G4G7
In this edge-matching puzzle you’ll have to figure out how to arrange seven double-sided hexagons in a hexagonal pattern so that all of the meeting corners on both sides match …
Patterns II
A clever logic game in which one player designs a secret master pattern and the other players work to uncover it with as few clues as possible. This one is …
Mathematically Correct Breakfast
Turn an ordinary breakfast into magic by following these simple instructions on how to slice a bagel into two linked halves. Not only is it more fun to eat a …
Martin Gardner Puzzles
Here you will find dozens of Martin Gardner related puzzles and solutions. Play online or download and print. Submitted by: ThinkFun and Puzzles.com Time Required: up to you! Go to …
Rhombic Triacontahedron with Lizard Tessellation
This hands–on activity is wonderful fun and learning for kids–you’ll combine art and mathematics as you make a polyhedron decorated with a cool lizard tessellation. Submitted by: Robert Fathauer Time …