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一、教学内容“量长度”是苏教版第三册第六单元第2课的内容。在“空间与图形”中具有重要地位,为以后学习长度单位米、千米以及认识图形、发展空间观念奠定了基
First, the teaching content “volume length ” is the content of the second lesson of the sixth unit of the third edition of the Sujiao Edition. It plays an important role in “Space and Graphics ” and lays the foundation for learning the unit of meters and kilometers in length and understanding the graphics and developing the concept of space