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教学内容:四年级上册第39~41页的例题及“想想做做”。目标预设:知识与技能目标:结合生活情景,感知平面上两条直线的平行关系,认识平行线;学生通过自主探索和合作交流,学会用合适的方法创造一组平行线。思维发展目标:使学生经历从现实空间中抽象出平行线的过程,培养空间观念。情感与态度目标:在数学活动中让学生感受到数学知识在生活中的真实存在,增强学生对数学的兴趣,养成独立思考的习惯,培养应用数学的意识。
Teaching content: Fourth grade on the first 39 ~ 41 pages of examples and “Think do ”. Objectives: Knowledge and skills Objectives: To understand the parallelism between two straight lines on a plane based on the context of life. Students learn to create a set of parallel lines by appropriate means through their own exploration and cooperation. The goal of thinking development is to make students experience the process of abstracting parallel lines from the real space and cultivate the concept of space. Emotional and Attitude Objectives: To enable students to feel the real existence of mathematical knowledge in life in mathematics activities, enhance their interest in mathematics, cultivate their own independent thinking habits, and cultivate the awareness of applied mathematics.