处理教材要“依纲靠本”，这是数学教师的共识。“纲”指大纲要求，“本”即是教材内容。在实际教学中，要真正做到“依纲靠本”，首先必须正确认识数学教材的实质，把握教材，提高处理教材的能力。一、数学教材是数学思想的外烁在钻研教材时，教师一般比较注意教材中数学知识 It is the consensus of mathematics teachers to deal with the teaching materials according to “ ”Gang“ refers to the outline of the requirements, ”Ben“ is the textbook content. In actual teaching, to truly ”rely on the principle of complying with the present", we must first correctly understand the essence of the mathematics textbooks, grasp the teaching materials and improve the ability of handling teaching materials. First, the mathematics textbook is outside the Shuo Shuo mathematical thinking In the study of textbooks, teachers generally pay more attention to teaching materials in mathematics