Speed++TM: A New Pencil Puzzle for Mental Arithmetic
Abstract
A new pencil puzzle, Speed++TM, was developed by combining and adapting the ideas of two popular Japanese pencil puzzles i.e. Kakuro and Numberlink. The novel characteristics of Speed++TM and its advantages are then compared to traditionally composed mental arithmetic questions used in practice and competitions by mental arithmetic associations. In particular, the new puzzles have a dynamic structure which in effect tests visual-spatial skills, memory, and concentration. The puzzles also look more appealing and are easy to produce through computer implemented algorithms. We further describe the potential of this puzzle as a more vibrant mental arithmetic challenge for mental arithmeticians and its viability for educational use in schools and brain training programs similar to Prof. Kawashima’s world famous brain training program.Downloads
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