Browse Items (176 total)

https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-1to8-G13-018-1.jpg
A polyomino packing puzzle with 8 pieces ranging in size from 1 to 8. The main goal is to create a 6x6 square. Further goal shapes (and solutions) can be found on https://www.jaapsch.net/g4g/g4g13.htm

https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Polygons-G13-019-1.jpg
I made pentagons of edges whose lengths are 1,2,3,4 and 5 in order and can be tiled the flat infinitive plane. And also hexagons of 1,2,3,4,5,6 edge length. A set of a few of them is my exchange puzzle.

https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-SerpentineSymmetries-G13-072-1.jpg
A full-color printed card showing and explaining Serpentine Symmetries, a beaded jewelry set that illustrates the 13 wallpaper groups compatible with bead crochet rope. Serpentine Symmetries was part of the 2018 Joint Mathematics Meetings Exhibition…

https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-SuitsDice-G13-082-1.jpg
This pair of unique dice consists of a 13-sided die with both numbers and face-card labels for J, Q, K, and A, along with a 4-sided die with the standard playing card suits.

https://gathering4gardner.org/g4g13gift/art/MargaretKepner-GiftExchange-4x13-G4G13.pdf
The talk corresponding to this paper can be found here: https://www.youtube.com/watch?v=ZijlID83FTg&t=15s  

ExchangeArchive-4x13-G13-020-1.jpg
There are 52 cards in a standard deck of playing cards: four suits of 13 cards each. To design a deck of cards, one needs to establish the four suits, each with its own symbol and/or concept, and find a logic for generating the 13 cards in each suit,…

https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Tiling-G13-053-1.jpg
A circle sticker with an image of a hyperbolic tiling of 4-gons and 13-gons.

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Matches-G13-010-1.jpg
Every week at my School's math club, we have one puzzle to solve based around match sticks. My gift exchange item will consist of a small booklet containing 21 match stick puzzles ( in honor of Martin Gardner being born on the 21st of October), as…

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Die13-G13-035-1.jpg
A cube is used as a fair die of 6 faces. However, there are many dice of different shapes on the market. To make them fair, most of them usually have some symmetric shapes. I classify these variants of dice on the market into two groups. First, let's…

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-SpanningTree-G13-075-1.jpg
Artwork of a low-resolution figurative tree.

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Flexier-G13-036-1.jpg
This is a standard trihexaflexagon with some extra crease lines. Cut it out and fold it up in the usual way, using tape or glue, adding the extra creases. The new degrees of freedom allow the hexaflexagon to swim along itself like Escher's fish, as…

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Spirals-G13-094-1.jpg
Participants will receive one spruce cone along with instructions on how to read the number 13 in it.

https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Lucky-G13-024-1.jpg
A dissection puzzle involving the characters G413.

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-RoutinePuzzle-G13-021-1.jpg
The app is no longer functional

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Evolution-G13-045-1.jpg
In 1962 Martin Gardner published an article about a remarkable poem. As far as I know, his is the only scholarly article that has ever been published pertaining to this poem. There is a rich and particular connection between poetry and the more…

https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Panama-G13-063-1.jpg
My gift is an Ace of Spades personalized with a unique image that combines the G4G logo together with a symbolic representation of Panamanian culture.

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https://www.gathering4gardner.org/g4g13gift/ExchangeArchive-Enigma-G13-022-1.jpg

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