【教学内容】苏教版教科书数学三年级(下册)第76~78页的例1、例2、“试一试”和“想想做做”第1~4题。【教材分析】“分数”是小学阶段学生需要掌握的一个重要概念,是教学的难点之一。分数概念的形成和发展是数概念发展的一次重大突破。苏教版教材将第一学段的“认识分数”安排在上、下两册教材中。上册教材学习把一个物体或一个图形平均分成若干份,用几分之一或几分之几表示这样的一份或几份;下册教材在此基础上学习把一些物体组成的整体平 Teaching contents】 【Sujiao Edition textbook third grade (Volume II) on the first 76 ~ 78 of Example 1, Example 2, “try ” and “think do ” 1 to 4 questions. Textbook analysis “score ” is an important concept that students need to master in primary school, which is one of the difficulties of teaching. The formation and development of the concept of scores is a major breakthrough in the development of the concept of numbers. The textbooks of the Supian textbook will be arranged in the first paragraph of the “cognitive score” in the next two volumes of textbooks. The textbook learning to an object or a graphic equally divided into several, with a few or a few that such a copy or a few; Book textbook on the basis of this study, the composition of a number of objects as a whole flat