新课改以来,“有效教学”得到多数教师的热捧,但是,究竟如何在课堂上实现有效教学呢?课堂教学是一个双边活动过程,在教学时选取生活化的有效材料尤为重要,教师不能完全依赖教材,照本宣科,首先应跳出教材来使用教材,可以将相关的课外材料引入课堂,使课堂更加有血有肉,更加生动形象;其次,在课堂上为学生创设数学化的有效时机必不可少,课堂教学既是学生认知过程,更是他们的生命活动过程。教师要创设一切机会,最大限度地让学生参与到知识 However, how to realize effective teaching in classroom? Classroom teaching is a process of bilateral activities. It is particularly important to select the effective material of life in teaching, Teachers can not rely solely on teaching materials. According to the syllabus, teachers should start with teaching materials to use teaching materials, introduce relevant extra-curricular materials into the classroom, and make the classroom more natural and vivid. Second, it is essential to create mathematical effective time for students in the classroom Classroom teaching is not only the cognitive process of students, but also the process of their life activities. Teachers should create every opportunity to maximize students’ participation in knowledge