目前新课改正在如火如荼地进行.新课程改革是从教材改革开始的,我们现行的教材早已发生质的变化.新教材的编写以“生活-数学”“活动-思考”为主线展开,以学生为主体,为学生主动获取知识提供素材,注重创设问题情境,引导学生在活动中思考,探 At present, the new curriculum reform is being carried out in full swing.The reform of the new curriculum starts from the reform of teaching materials, and our current teaching material has already undergone a qualitative change.New teaching materials are written in the main line of “life-mathematics” and “activity-thinking” Expand to students as the main body, for students take the initiative to obtain knowledge to provide material, focus on creating problem situations, to guide students to think in activities, exploration