Number and math education system
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United States of America Patent
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-
Jan 13, 1998
Grant Date -
N/A
app pub date -
Oct 26, 1995
filing date -
Oct 26, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
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