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写文章要虎头、猪肚、豹尾,上课也一样。每堂课开头5 min若能吸引学生的注意力,让学生尽快地活跃起来,积极投入到课堂中;每堂课的最后5 min若能及时对课堂内容进行合理的归纳和总结,或对所学情况进行即时的反馈,课堂教学效果就会有很大程度的提升。一、传统课堂教学模式案例分析案例:“二氧化碳实验室制法”新课。课前5 min设计:[教师提问]前一节课我们学习了二氧化碳的性质与用途,下面请几位同学来帮助大家回忆一下。[学生回答]教师有选择性地请几位学生回答,并对回答的情况给予评价,引导学生对所学知识及时复习。
Write articles to the tiger’s head, pig stomach, leopard tail, the same class. If the first 5 minutes of each class attract students’ attention, make students active as soon as possible, and actively into the classroom; the last 5 minutes of each class if the timely summary of the contents of the classroom summary and summary, Learning the situation for immediate feedback, classroom teaching effectiveness will be greatly improved. First, the traditional classroom teaching mode case analysis Case: “CO2 laboratory system ” new lesson. Lesson 5 min Design: [Ask a Teacher] In the previous lesson, we studied the nature and use of carbon dioxide. Here are a few students to help you remember. [Student Answer] The teacher selectively responds to several students and gives an evaluation of the answers to the questions so as to guide the students to timely review their knowledge.