发明名称 |
Educational device for teaching mathematical concepts, handle with rotatable arms |
摘要 |
An educational device consists of arms 5 revolving on a handle 6. When laid flat on a surface the relative position of the arms on either side of the handle can be used to represent a number, or can represent a mathematical operation. The device is intended to provide a visual kinesthetic method for the teaching/learning/understanding/exploration of mathematics.
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申请公布号 |
NZ333616(A) |
申请公布日期 |
2000.04.28 |
申请号 |
NZ19970333616 |
申请日期 |
1997.06.25 |
申请人 |
JOHN DESMOND RAINEY |
发明人 |
RAINEY, JOHN DESMOND |
分类号 |
G06C1/00;G09B19/02;(IPC1-7):G06C1/00 |
主分类号 |
G06C1/00 |
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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