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LEARNING APPARATUS FOR UNDERSTANDING PRINCIPLE OF MULTIPLICATION

机译:理解乘法原理的学习装置

摘要

PURPOSE: A learning apparatus for understanding the principle of multiplication is provided to help a learner to understand the principle of an addition and multiplication through an automatic result such as the number of a figure. CONSTITUTION: A figure board(201) includes figures which are arranged in a rectangular shape. A multiplication principle board(203,205) displays an add sign and a multiplication sign which are projected through the figure board of an up and down sliding board and a left and right sliding board. An answer board displays answers corresponding to the add and multiplication sign.
机译:目的:提供一种用于理解乘法原理的学习设备,以帮助学习者通过诸如数字的数字之类的自动结果来理解加法和乘法的原理。组成:写字板(201)包括以矩形排列的图形。乘法原理板(203,205)显示通过上下滑动板的图形板和左右滑动板的图形板投影的加号和乘号。答案板显示与加号和乘法符号相对应的答案。

著录项

  • 公开/公告号KR100980800B1

    专利类型

  • 公开/公告日2010-09-10

    原文格式PDF

  • 申请/专利权人 KIM IN SEOK;

    申请/专利号KR20100011365

  • 发明设计人 KIM IN SEOK;

    申请日2010-02-08

  • 分类号G09B23/02;G09B1/28;

  • 国家 KR

  • 入库时间 2022-08-21 18:30:50

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