《全日制义务教育数学课程标准(实验稿)》指出:教师要创造性地使用教材,积极开发、利用各种教学资源,为学生提供丰富多彩的学习素材.通俗地说,教师要树立“用教材教”的观念,在充分了解并把握《标准》、学科特点、教材编写意图的基础上,以教材为载体,充分考虑教材的普适性与学生的特殊性,创造性使用教材,达成有效教学. Full-time compulsory education mathematics curriculum standards (experimental draft) “pointed out: teachers should creatively use teaching materials, and actively develop and use various teaching resources, to provide students with a variety of learning materials .Generally, teachers should establish” use Based on the concept of “textbook teaching”, on the basis of fully understanding and grasping the “standard”, the characteristics of the subject and the intent of composing the teaching materials, taking the teaching materials as the carrier, taking full account of the universality of the teaching materials and the particularity of the students, creatively using the teaching materials to achieve effective teaching.