发明名称 |
ASSEMBLY FOR TEACHING MATHEMATICAL CONCEPTS |
摘要 |
An assembly for teaching mathematical concepts includes a plurality of interlocking components, each having at least one connecting end so that the components can be combined in any order or length. Each component is assigned a mathematical value according to its length, and this value may be indicated by indicia on its face or by color coding A base is also provided for retaining the columns of components in vertical formations. Means are provided on the platform of the base for engaging the bottom component in each column.
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申请公布号 |
CA2162944(A1) |
申请公布日期 |
1996.05.17 |
申请号 |
CA19952162944 |
申请日期 |
1995.11.15 |
申请人 |
WOLDENBERG, RICHARD;HOFFMAN, LISA |
发明人 |
WOLDENBERG, RICHARD;HOFFMAN, LISA |
分类号 |
G09B1/06;G09B19/02;(IPC1-7):G09B19/02 |
主分类号 |
G09B1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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