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函数清楚地描述了两个变量之间的关系和变化规律,它的产生标志着数学思想方法由常量数学到变量数学的转变,而函数的应用,更使得数学发生了根本性的变化.就中学数学而言,函数的重要性是不容置疑的,它已经成为中学数学的纽带,是今后继续学习的工具性的知识.由于初中学生初次接触函数,所以,无论从知识层面还是思维体系上而言,它都是他们最难理解的内容之一.下面就学生在函数学习、理解的障碍作一些分析,并探求解决这些障碍的办法.
Function clearly describes the relationship between the two variables and changes in the law, which marks the mathematic method of thinking changes from constant mathematics to variable mathematics, and the application of the function, but also makes a fundamental change in mathematics. Mathematics, the importance of the function is beyond doubt, it has become the bond of high school mathematics, instrumental knowledge of continuing learning in the future.Because junior high school students first contact function, so, both in terms of knowledge and thinking system , Which is one of their most difficult to understand the contents of the following students in the function of learning, understanding of obstacles to make some analysis and explore ways to solve these obstacles.