教学内容:人教版小学数学第一册第四单元。教学目标:1.知识与技能:认识长方形、正方形、三角形和圆,初步感知其特点,正确辨认几种图形。2.过程与方法:让学生在动手操作的学习活动中,体验“面在体上”,初步体会解决问题的方法和策略的多样性。3.情感态度与价值观:培养学生的合作 Content: PEP 4 Unit 1. Teaching Objectives: 1. Knowledge and skills: understanding of rectangular, square, triangle and circle, the initial perception of its characteristics, the correct identification of several graphics. 2 process and methods: Let students in hands-on learning activities, experience the “face in the body”, the initial understanding of the methods and strategies to solve the problem of diversity. 3. Emotional Attitudes and Values: Cultivating Students’ Cooperation