Educational mathematics game

Details Educational mathematics game Educational mathematics game

1980-05-30

1982-06-15

Grieb, William H.

Education and demonstration

Mathematics

Arithmetic

G09B 104, G09B 1902

Patent

active

043348696

ABSTRACT:
An educational puzzle that teaches mathematics; the puzzle including a gameboard in the form of a tray, and a plurality of blocks placeable therein, each block being printed with a single numerical digit, and the blocks being arranged in horizontal and vertical rows so as to form a table from "1" to "9" in each direction, and the tray being divided by a central partition having a central gate.

REFERENCES:
patent: 6407 (1849-05-01), Allen
patent: 1310997 (1919-07-01), Linay
patent: 1403989 (1922-01-01), Verneau
patent: 3248804 (1966-05-01), Jorgens

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