Education and demonstration – Mathematics
Patent
1989-01-05
1990-09-18
Grieb, William H.
Education and demonstration
Mathematics
273299, 273302, 434156, 434191, 434208, G09B 1900, A63F 100
Patent
active
049574434
ABSTRACT:
An educational game system consisting of three or more individual decks of cards, and, in some embodiments, an extra set of cards used for special situations to be described hereinafter, and consisting of at least two individual games. The first of the two games is for developing a working knowledge of a set of mathematical (e.g. arithmetic, propositional, lingual) relations, and can be played by two to a given number n of players using one deck, up to 2n players using two decks, up to 3n players using three decks, etc. The second game is a game of skill and chance, played using all of the decks, which is also a means of separating the decks from each other.
REFERENCES:
patent: 3663021 (1972-05-01), Whippo
patent: 4273542 (1981-06-01), Zellweger
patent: 4281835 (1981-08-01), Seiden
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