初中数学是中学阶段的重要学科教学,但课堂效果不好相当普遍.新课程的实施与深入,建构高效的数学教学课堂,已经成为教学改革的重要目标.建构数学高效课堂,就要确立学生在学习中主体地位,激发学生学习兴趣,调动学生学习主动性. Junior middle school mathematics is an important subject teaching in secondary school, but the classroom effect is not good.New curriculum implementation and in-depth, building efficient classroom of mathematics teaching has become an important goal of teaching reform.Establish mathematical efficient classroom, it is necessary to establish students The dominant position in learning, to stimulate student interest in learning, to mobilize student learning initiative.