一、教材分析:关于分数的意义,学生在学习第六册时,已经借助直观操作,初步认识了分数,会读、写简单的分数。现在要在这个基础上,使学生从感性认识上升到理性认识。二、教学目的:1、认知目标:理解分数的意义,明确分子、分母、分数单位的含义。2、能力目标:培养学生观察、操作、概括的能力。3、情感目标:引导学生合作学习 First, the textbook analysis: On the meaning of the score, students in the study of the sixth book, already with intuitive operation, preliminary understanding of the score, will read and write simple scores. Now it is necessary to make students rise from perceptual awareness to rational understanding on this basis. Second, the teaching purposes: 1, cognitive goals: to understand the meaning of scores, clear the numerator, denominator, the meaning of fractional units. 2, ability target: develop students observation, operation, general ability. 3, emotional goals: to guide students to learn cooperatively