教材是教育专家根据课程标准、各年级的教学目标以及学生的心理特点而编写的教学材料,它是教师教学的主要依据,然而多年的教学实践证明:即使完全依赖教材按部就班地组织教学活动,也不一定有好的教学效果。教材只是为教师提供了最基本的教学素材,我们应当是用教材教,而不是教教材。高质量的数学课离不 Teaching materials are the teaching materials written by educational experts according to the curriculum standards, the teaching goals of all grades and the psychological characteristics of students. It is the main basis for teachers’ teaching. However, years of teaching practice has proved that even if teaching activities are organized step by step according to teaching materials Not necessarily good teaching results. Teaching materials only provide teachers with the most basic teaching material, we should use teaching materials, rather than teaching materials. High-quality math class does not leave