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发明名称
四边形直观教具板
摘要
本实用新型属于初中数学教具,特别涉及一种四边形直观教具,这种四边形直观教具板,由教具板、挂钩、四边形块、平行四边形块、菱形块、长方形块、正方形块、等腰梯形块、直角梯形块、梯形块组成,其特殊之处是:教板上端有两个对称的挂钩,把四边形块、平行四边形块、菱形块、长方形块、正方形块、等腰梯形块、直角梯形块、梯形块粘在教具板上,本实用新型的有益效果是:老师教学省时、省力、没有污染,每个四边对比直观。
申请公布号
CN201126647Y
申请公布日期
2008.10.01
申请号
CN200720016234.0
申请日期
2007.11.28
申请人
郭晋廷
发明人
郭晋廷
分类号
G09B23/04(2006.01)
主分类号
G09B23/04(2006.01)
代理机构
代理人
主权项
1、一种四边形直观教具板,由教具板、挂钩、四边形块、平行四边形块、菱形块、长方形块、正方形块、等腰梯形块、直角梯形块、梯形块组成,其特征在于:教板上端有两个对称的挂钩,把四边形块、平行四边形块、菱形块、长方形块、正方形块、等腰梯形块、直角梯形块、梯形块粘在教具板上。
地址
124010辽宁省盘锦市第一完全中学四年九班
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