How to Create String Art
A set of 90 degree axes quickly turns into a beautiful parabola with a few quick strokes or stitches. There’s no limit to what you can create as you repeat …
NumCode
Use revealed segments of digits to fill in each grid’s cells made of of numbers 1 through 9. With their Sudoku-like style, these unique visual challenges are quite addictive! Submitted …
Puzzlium Cut by Painting ABC
Use visual spatial reasoning to cut each shape into the number of identical parts shown. Rotation and/or reflection of pieces are allowed, making solutions more challenging than puzzles initially appear. …
Puzzlium Hardest Puzzles
How quickly can you solve three of Puzzlium’s most challenging puzzles? Put your writing instrument and scissors to the test in these logic and visual spatial challenges. Submitted by: Peter …
Sliding-Coin Puzzles
In honor of Martin Gardner, mathematical and algorithmical solutions to some of his most publicized sliding-coin puzzles. Reconfigure coins by using a sequence of slides to reconfigure coins to create …
Golden 16
Use the brightly colored shapes surrounding the line drawing or have fun coloring the composition to create unique patterns and tilings. Experiment with adding a few extra lines to see …
David’s Star Tiling Theory
[et_pb_section admin_label=”section”] [et_pb_row admin_label=”row”] [et_pb_column type=”4_4″] [et_pb_text admin_label=”Text”] Hexagon tiling resembles the creation of honeycombs in this mathematical tessellation. The edge-and-cover angle weave is used to create David’s Star, a …
Beaded Cubes
Use spatial reasoning while practicing basic sewing skills in this mathematical weaving activity. Turn a 2D representation into a 3D model with step-by-step instructions on bead weaving, a popular sewing …
Retrolife Puzzles
These elegant logic puzzles are played with black and white colored counters and an open grid. Arrange them into challenges of your own and see how long it takes you …
2017 Theme for CoM: ’17 Prime
What’s the 2017 Theme? The theme for this year’s Celebration of Mind is ’17 Prime. Have any great ideas for puzzles, games or magic tricks that feature squares? Send them to …
Remembering Raymond Smullyan
It is with great sadness that Gathering 4 Gardner notes the loss of the renowned logician, mathemagician, philosopher, chess challenge composer, puzzle master, author, and musician, our friend, Raymond Smullyan, who …
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 …
52 Master Pieces: Update
Winners Announcement from 52 Master Pieces On May 20th, 2016, G4G announced our collaboration with the 52 Master Pieces project, a free online puzzle contest designed to inspire creative thinking in …
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 …
G4G12 (2016) Recap
Recap by Bill Gasarch Some Short Bits from the Gathering for Gardner Conference (G4G12) Posted to the Blog, Computational Complexity on April 24th, 2016 “I attended G4G12 (Gathering for Gardner) a …
G4G11 (2014) Recap
G4G11 Themes The Number 11 John Horton Conway Martin Gardner Centennial Recap by George Groth Magic, Puzzles Delight Math Fans at G4G Posted to Scientific American blog on April 1st, 2014 …
G4G10 (2012) Recap
G4G10 (aka G4GX) – Atlanta, Georgia – March 2012 Flickr Photos Tagged G4GX Flickr Photos Tagged G4G10 Blog post about G4G10 by David Goodger The conference opened at the Atlanta-Fulton County …
G4G9 (2010) Recap
G4G9 – Atlanta, Georgia – March 24-28 2010 There were seventy-five presentations that ranged in length from 10 minutes to one-half hour. Flickr Photos Tagged G4G9 G4G9 Talks Schedule Blog …
G4G8 (2008) Recap
G4G8 – Atlanta, Georgia – March 27-30 2008 The eighth Gathering started at 9am on Thursday, March 27th at the Ritz-Carlton Hotel in Atlanta, Georgia, and ended at 5pm on …
G4G7 (2006) Recap
G4G7 – Atlanta, Georgia – Spring 2006 Flickr Photos Tagged G4G7 Blog Post about G4G7 on MathPuzzle.com by Ed Pegg Jr. G4G7 Gift Exchange Books: Recap in Seed Magazine Encountering the …