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Educational toy for learning multiplication

机译:用于学习乘法的教育玩具

摘要

An educational toy which includes a base board having lines of female mounting portions longitudinally disposed at the first, third, fifth, and six lines and a line of signs of multiplication longitudinally disposed at the second line and a line of sings of equality at the fourth line, a set of setting blocks, each setting block having a male mounting portion at the bottom for fitting into engagement with one female mounting portion of the base board, and a set of number blocks, each number block having a female mounting portion at the bottom for fitting into engagement with one particular setting block, the number blocks including a blank number block having a blank top, and a set of numerical blocks respectively marked with one of the numerical signs from 0 to 9 at the top.
机译:一种教育玩具,其包括基板,该基板具有纵向布置在第一,第三,第五和六行的凹形安装部分的线,以及纵向布置在第二行和第四行相等的单线的乘法符号线。线,一组设定块,每个设定块在底部具有用于与基板的一个凹入安装部分接合的凸出安装部分,以及一组数字块,每个数字块在壳体上具有凹入安装部分。底部,用于与一个特定的设置块配合,数字块包括具有空白顶部的空白数字块和在顶部分别标记有从0到9的数字符号的一组数字块。

著录项

  • 公开/公告号US5653594A

    专利类型

  • 公开/公告日1997-08-05

    原文格式PDF

  • 申请/专利权人 LAI;CHUEN-CHUNG;

    申请/专利号US19960613910

  • 发明设计人 CHUEN-CHUNG LAI;

    申请日1996-03-11

  • 分类号G09B1/16;

  • 国家 US

  • 入库时间 2022-08-22 03:09:39

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