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一般而言,教材中设置的每一个例题都有特定的教学功能,用好它们是实施有效教学的一个重要方面.但实践中,有些老师对例题的研究、认识不到位,没弄明白教材设置例题的意图,随意删减、替换,导致教学低效或无效.本文结合具体的案例,讨论领会例题设置目的,对于提高教学有效性的意义.教学案例(内容选自文献[1])1.3导数在研究函数中的应用1.3.1单调性
In general, each example set in the textbook has a specific teaching function, to make good use of them is an important aspect of the implementation of effective teaching.But in practice, some teachers do not understand the examples of the problem, did not understand the teaching material settings The purpose of the examples is to delete or replace them at will, resulting in inefficient or ineffective teaching. This article discusses the purpose of setting examples in order to improve the effectiveness of teaching by combining with specific cases. 1.3.1 monotonicity in the study of the function