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教学内容:人教版《义务教育教科书·数学》六年级上册第42页例7。教学目标:1.在具体情境中了解工程问题的结构特点,知道可以用抽象的“1”来解决问题,能够用假设法正确解答基本的工程问题。2.经历用假设法解决问题的探索过程,理解和掌握假设策略,培养学生发现问题、提出问题、分析问题和解决问题的能力。3.激发学生学习兴趣,感受抽象和模型思想。课前谈话:师:上课前老师跟同学们分享一个阿凡提的小故事。有一次,国王故意要为难阿凡提,他把阿凡提叫到了王宫,指着王宫前面的一个水池问阿凡提:“你知道眼
Teaching content: PEP ”compulsory education textbook · Mathematics“ sixth grade on the 42nd page case 7. Teaching Objectives: 1. Understand the structural characteristics of engineering problems in specific situations, know that you can solve the problem with the abstract ”1 “, you can use hypothetical method to correctly answer the basic engineering problems. 2. Examine the process of using hypothetical method to solve the problem, understand and master the hypothetical strategy, cultivate the ability of students to discover, ask, analyze and solve problems. 3. stimulate students interest in learning, feel abstract and model ideas. Talk before class: Teacher: Before class, the teacher shared a story of Avanti with his classmates. Once, the king deliberately embarrassed Afanti, he called Avanti to the palace and pointed to a pool in front of the royal palace to ask Avanti: ”You know the eye