Multi-function teaching game box

Details Multi-function teaching game box Multi-function teaching game box

1997-03-13

1998-04-14

Smith, Jeffrey A.

Education and demonstration

Mathematics

Arithmetic

434191, G09B 106

Patent

active

057385246

ABSTRACT:
A multi-function teaching game box that provides a simple addition and subtraction mathematical calculation for children while playing. Moreover, the structural design of the present invention allows children to comprehend the concept of, and become accustom to, the idea of carry over. The game box includes a container, a lid and a plurality of cubes.

REFERENCES:
patent: 1826034 (1931-10-01), Williamson
patent: 3151404 (1964-10-01), Schott
patent: 3908287 (1975-09-01), Darnell
patent: 3995378 (1976-12-01), Darnell

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