Visual teaching tool and method for determining the result of digit multiplication based-on diagram rotation and transition path
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United States of America Patent
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Jan 24, 2017
Grant Date -
Jul 7, 2016
app pub date -
Mar 10, 2016
filing date -
Sep 2, 2013
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Abstract
A device for determining the result of digit multiplication based-on diagram-configured carrier rotation and transition path is proposed. Firstly, one of three types of visual teaching tools including first type of visual teaching tool, second type of visual teaching tool and third type of visual teaching tool is selected, then, the first type of or the second type of diagram-configured carrier is rotated to determine an initial node, and thereby transferring multiplicand from digit 1 to digits 3, 7, or 9, or transferring multiplicand from digit 2 to digits 4, 6, or 8. Finally, proceeding number (PN) of the first transition paths, the second transition paths or the third transition paths reaching to an object node is determined to obtain a multiplier and product value of the multiplicand and the multiplier.
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