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函数的单调性是高中数学的重点内容,通过对单调性的理解,可以很好的把握两个变量之间变化的相互关系,而且在后续的不等式和数列等问题中,单调性是一个重要的辅助转化手段。因此,函数单调性的学习首先务必要深刻体会其本质,其次能够理解抽象的概括性定义,而这也正是学生学习的困难之处,笔者结合以前教学的经验在重难点的突破上提出了自己的处理办法,也算是这节课的亮点,欢迎各位同仁们批评指正。
The monotonicity of the function is the key point of high school mathematics. Through the understanding of monotonicity, the relationship between the two variables can be well grasped, and monotonicity is an important one in the subsequent problems of inequality and sequence Auxiliary conversion means. Therefore, the monotonicity of learning must first understand the nature of deep learning, and secondly to understand the general definition of abstraction, and this is exactly the difficulty of student learning, the author combined with previous teaching experience in the heavy and difficult breakthrough put forward Their own approach, can be considered the highlight of this lesson, you are welcome colleagues to criticize correction.