“认识一位小数”是苏教版小学数学三年级下册的教学内容,是小学阶段认识小数的起始课。教材结合长度单位和商品价格,帮助学生初步体会小数的含义,初步感知整数、小数、分数之间的关系。贯穿全课的主线是引导学生联系生活和操作实践,体验一位小数的本质内涵——这也是本节课教学的重点 “Know a decimal ” is the teaching content of the third grade of the Sujiao version of elementary school mathematics, is the initial lesson of primary school to recognize the decimal. Teaching materials combined with length units and commodity prices, to help students initially understand the meaning of decimals, the initial perception of integer, decimal, fractional relationship. Throughout the main course is to guide students to contact life and practice, to experience the essence of a decimal - this is the focus of this lesson teaching