教学内容:人教版三年级数学上册第90~91页的例1、2。教学目标:知识目标:结合具体情境理解平均分的含义,通过操作活动使学生初步认识几分之一,会读写几分之一。能力目标:通过折一折的活动,使学生进一步认识几分之一,感悟数形结合的思想和方法,发展数感,在交流中培养学生的语言表达能力。情感目标:通过练习,让学生充分感受数学与生活的 Teaching content: PEP 3 grade mathematics on the first 90 ~ 91 cases 1,2. Teaching Objectives: Knowledge Objective: To understand the meanings of average points according to specific situations, and to make students know a few firsts and read and write a fraction through operational activities. Competence Objectives: Through a fold of activities, to enable students to further understand a few, sentiment combination of ideas and methods, the development of a sense of number, in the exchange of students’ language skills. Emotional goals: Through practice, let students fully experience mathematics and life