在“北京市21世纪基础教育课程教材改革实验”的教材中，数学第一册的内容变动较大，从知识的编排、方法的呈现等多方面都打破了旧的传统观念，确立了一些新的教学理念。教师在教学中，要充分发挥教材的特点，突出这些新的教学理念。一、创设情境，激发学生的学习兴趣在教学中 In the teaching materials of the “Beijing Basic Education Curriculum Reform Experiment for the 21st Century”, the content of the first volume of mathematics has changed greatly. From the knowledge arrangement and the presentation of methods, it broke the old traditional concept and established some new ones. Teaching concept. In teaching, teachers should give full play to the characteristics of teaching materials and highlight these new teaching concepts. First, creating a situation to stimulate students’ interest in learning in teaching