新课标强调“学生是数学学习的主人,教师是数学学习的组织者、引导者与合作者”。导学讲评式教学(简称“DJP”教学),教与学的各个环节都是以学生为中心展开,课堂的“讲解”是DJP教学的核心要素,以“学生主讲评析,学生质疑评析,教师精讲评析”三个环节来调动学生主动、积极地参与到学习的过程中。 The new curriculum emphasizes that “students are the masters of mathematics learning, teachers are the organizers, leaders and collaborators of mathematics learning.” Teaching and learning comment teaching (referred to as “DJP ” teaching), teaching and learning are all aspects of a student-centered, classroom “explain ” is the core element of DJP teaching, “student speaker comment, Students questioned the assessment, the teacher refined assessment ”three links to mobilize students to take the initiative to actively participate in the learning process.