高中数学教材的每一章都有编者精心选择的章头图,但它却是被长期忽视的,教师们的章节教学要么一语带过,要么直奔主题,这样的教学往往会让学生感到枯燥无味,提不起兴趣,偶尔设计一些实际问题的例题,学生也没有什么感觉,引不起共鸣。下面以人教A版必修五第二章数列的章头图为例简单的体现优美的章头图的重要性。本章的章头图用了三组图片,分别涉及了树 Each chapter of high school mathematics textbooks has a carefully selected chapter of the editor, but it has long been neglected, the teacher’s chapters teaching either by, or go straight to the subject, this teaching often make students feel Boring, uninteresting, occasionally designing examples of practical problems, the students have no feeling, lead to resonance. The following chapter to teach people a version of the compulsory fifth chapter second chapter series of figures as an example of a simple chapter embodies the importance of the beautiful chapter of the diagram. The chapters in this chapter use three sets of images, each covering the tree