发明名称 Device and method for teaching numeral systems
摘要 A device and method of teaching and learning numeral systems comprising at least one game board and a plurality of value block pieces, wherein the game board comprises columns whereby one column is a decimal point column and other columns are each a numeric column to form a numeric grid thereon, and wherein each value block piece identifies the number equivalent value of a numeric symbol derived from the symbol's location on the numeric grid.
申请公布号 US9275555(B2) 申请公布日期 2016.03.01
申请号 US201213650349 申请日期 2012.10.12
申请人 发明人 Berko-Boateng Justin
分类号 G09B23/02;G09B19/22;G09B19/02 主分类号 G09B23/02
代理机构 代理人
主权项 1. A device for teaching and learning numeral systems comprising at least one game board and a plurality of value block pieces having at least three sides, wherein for a base ten numeral system, the game board comprises seven numeric columns to the left of a decimal point column and three numeric columns to the right of the decimal point column, and wherein each numeric column has ten rows, the first row of which has insignia “0” representing the numeric symbol 0; the second row “1”; the third row “2”; the fourth row “3”; the fifth row “4”; the sixth row “5”; the seventh row “6”; the eighth row “7”; the ninth row “8”; and the tenth row “9” and wherein there is equal spacing between the numeric symbols to form a numeric grid thereon, and wherein each value block piece identifies the number equivalent value of a numeric symbol derived from the symbol's location on the numeric grid.
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