Mathematics teaching aid

Education and demonstration – Mathematics – Arithmetic

Reexamination Certificate

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Reexamination Certificate

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07828553

ABSTRACT:
An apparatus and method for teaching involving teaching manipulatives. The teaching manipulative comprises a longitudinal rod having a plurality of multi-faced objects disposed upon its surface which are capable of substantially sliding along the length of the rod and have a unique object identifier disposed on each face. On either end of the rod is a stop member having a row identifier substantially in alignment with the unique identifiers on the faces of the multi-faced object.

REFERENCES:
patent: 189979 (1877-04-01), Wieser
patent: 378866 (1888-03-01), Clark
patent: 422612 (1890-03-01), Neuhaus
patent: 1372087 (1921-03-01), Roddy
patent: 1568576 (1926-01-01), Stout
patent: 1694405 (1928-12-01), Troidl
patent: 3229388 (1966-01-01), Smith
patent: 3743750 (1973-07-01), Hurue
patent: 3808708 (1974-05-01), Huskin
patent: 4096644 (1978-06-01), Nesher et al.
patent: 4176472 (1979-12-01), Devanney
patent: 4295832 (1981-10-01), Karell
patent: 4333757 (1982-06-01), Kurtzman, Jr.
patent: 4560354 (1985-12-01), Fowler
patent: 4993952 (1991-02-01), Yeh
patent: 5149269 (1992-09-01), Ylitalo
patent: RE34498 (1994-01-01), Ylitalo
patent: 5334026 (1994-08-01), Ylitalo
patent: 5423682 (1995-06-01), Hildebrandt
patent: 5769639 (1998-06-01), Foster
patent: 6171111 (2001-01-01), Buckner
patent: 6375468 (2002-04-01), Sundararajan
patent: 6676415 (2004-01-01), Walker et al.
patent: 6729883 (2004-05-01), Raiche
patent: 6758675 (2004-07-01), Karabaic
patent: 6884077 (2005-04-01), Faulkner
patent: 7077655 (2006-07-01), Watanabe
patent: 7104799 (2006-09-01), Sansing
patent: 7300286 (2007-11-01), Palang
patent: 7534106 (2009-05-01), Dutcher et al.

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