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“小数的意义”(义务教育课程标准实验教科书人教版数学四年级下册)是在学生学习了“分数的初步认识”和“小数的初步认识”的基础上进行教学的,是学生系统学习小数的开始。本节课的重点是结合具体情境,充分利用学生已有的知识和经验,促进知识的迁移;调动学生参与学习的积极性和主动性,让学生在活动中自主探究和感悟小数的意义,弄清“小数”与“分数”的关系,明确“分母是10、100、1000……的分数可以用小数
”Meaning of decimals “ (compulsory education curriculum standard experimental textbook PEP fourth grade of the next volume) is based on the students learn ”preliminary understanding of “ and ”preliminary understanding of decimal “ on the basis of teaching , Is the beginning of the student system to learn decimals. The focus of this lesson is to combine specific situations, make full use of the existing knowledge and experience of students, and promote the transfer of knowledge. Mobilize the enthusiasm and initiative of students to participate in learning so that students can explore and understand the meaning of decimals in their activities and find out ”Decimal “ and ”Score “ relationship, clear ”The denominator is 10,100,1000 ... The score can be used decimal