Amusement devices: games – Board games – pieces – or boards therefor – Word – sentence – or equation forming
Patent
1992-08-14
1994-05-24
Grieb, William H.
Amusement devices: games
Board games, pieces, or boards therefor
Word, sentence, or equation forming
434191, A63F 300
Patent
active
053141903
ABSTRACT:
A mathematical game comprising a plurality of elongate tiles adapted to be laterally or longitudinally located on a playing surface. The elongate tiles comprising a set of numerical tiles bearing a numerical symbol and a set of operational tiles bearing a mathematical operation symbol and a numerical symbol. On the operational tiles the numerical symbol is located to the right side of the tile and the mathematical operation symbol is located to the left side of the tile. Three tiles consisting of two numerical tiles and one operational tile are linearly arrangeable on the playing surface to form a mathematical equation such that the operational tile is locatable between the two numerical tiles. The operational tile reflects the mathematical relationship between the numerical tiles. The operational tiles are provided with a visual distinguishing characteristic so that when the tiles are arranged in an equation the operational tile distinguishes one side of the equation from the other.
REFERENCES:
patent: 2198670 (1940-04-01), Johnson
patent: 3844568 (1974-10-01), Armstrong
patent: 3904207 (1975-09-01), Gold
patent: 4017080 (1977-04-01), Severson
patent: 4306612 (1982-02-01), Harder
patent: 4565374 (1986-01-01), Pak
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