高效课堂是指在课堂教学中,通过教师的引领和学生积极主动学习、思维,高效率、高质量地完成教学任务、促进学生学习中的知识与技能,过程与方法,情感、态度、价值观“三维目标”获得高效协调发展。由于数学知识具有高度的抽象性和严谨的逻辑性,而小学生的思维特点又是以直观形象思维为主,因此,在教学当中,教师必须根据教学内容设计丰富的视听材料,借助事物的具体形象进行思维,变有意注意,为无意注意,使学 Efficient classroom refers to the classroom teaching, through the guidance of teachers and students take the initiative to learn, thinking, high efficiency, high quality to complete the teaching tasks, to promote students' knowledge and skills, process and method, emotion, attitude, values ​​ “Three-dimensional goal” to achieve efficient and coordinated development. Because mathematics knowledge has a high degree of abstraction and rigorous logic, and the thinking characteristics of primary school students are mainly based on visual thinking. Therefore, in teaching, teachers must design rich audio-visual materials according to the teaching contents, Thinking, change intends to pay attention, as unintentional, make learning