Number and math education system

Details Number and math education system Number and math education system

1995-10-26

1998-01-13

Smith, Jeffrey A.

Education and demonstration

Mathematics

Magnet included in teaching means

434330, G09B 108

Patent

active

057072388

ABSTRACT:
A child educational system comprises a support member having a generally flat rectangular support face having a top edge, a row of numbers disposed in a horizontal row along the top edge, a vertical column disposed below each of the numbers, each column having multiple pairs of position indicators therein, a permanent magnet disposed behind each of a plurality of the position indicators, and a plurality of magnetic responsive markers for positioning on the position indicators, whereby the markers are retained by the permanent magnets.

REFERENCES:
patent: 3662477 (1972-05-01), Weinstein

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