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Recreational mathematics is inspired by deep ideas that are hidden in puzzles, games, and other forms of play. The aim of the SIGMAA on Recreational Mathematics (SIGMAA-Rec) is to bring together enthusiasts and researchers in the myriad of topics that fall under recreational math. We will share results and ideas from our work, show that real ...
In geometry, a tetrad is a set of four simply connected disjoint planar regions in the plane, each pair sharing a finite portion of common boundary. It was named by Michael R. W. Buckley in 1975 in the Journal of Recreational Mathematics.
A third collection of "brain-teasers" 1958 Sep: A game in which standard pieces composed of cubes are assembled into larger forms 1958 Oct: Four mathematical diversions involving concepts of topology: 1958 Nov: How rectangles, including squares, can be divided into squares of unequal size: 1958 Dec: Diversions which involve the five Platonic solids
We’ve all been there - facing a tricky puzzle, staring at options that seem alike, and wondering which one just doesn’t belong. Now is your chance to put your observation and reasoning skills ...
The puzzle was a favorite of Lewis Carroll, [13] and has been reprinted in various collections of recreational mathematics. [2], p. 26. In his 'Arabian Nights' memoir, Meetings with Remarkable Men, the metaphysical Magus, G. I. Gurdjieff cites this riddle as "The Wolf, the goat and the cabbage". He notes, "This popular riddle clearly shows that ...
Isometric projection and net of naive (1) and optimal (2) solutions of the spider and the fly problem. The spider and the fly problem is a recreational mathematics problem with an unintuitive solution, asking for a shortest path or geodesic between two points on the surface of a cuboid.
Brain benefits: You might think the only benefit of a movie puzzle is showing off your pop culture IQ, but the truth is, these visual brain teasers help with memory and recall, too. Play Now 9.
Some of these brain teasers are pretty tough, while others are easier than they seem. Just be sure to pause the video if you need a moment to think -- number one may have you smacking your head ...