小学数学教学过程可分为:前提测评—导入新课、认定目标—导学达标—达标测评四个方面。在教学过程中,引导学生主动参与,充分调动学生学习的主动性,可使教学收到事半功倍的效果。而达到此目的则要求教师在教学过程中富于创新、注意教师的“主导”和学生的“自主”有机结合。梨园小学六年级数学王莉老师上的课例《圆柱的认识》给我们提供了一个很好的范例,本节课老师在课堂中是如何体现“双主”的呢?一、温故知新中学生充当主角 Primary mathematics teaching process can be divided into: Premise Assessment - Introduction of new courses, identify the target - guide the standard - standard four aspects of evaluation. In the teaching process, to guide students to take the initiative to participate in, fully mobilize the initiative of student learning, teaching can receive a multiplier effect. To achieve this goal requires teachers to be innovative in the teaching process, pay attention to the teacher “lead ” and the students “autonomy ” organic combination. Liyuan Primary Sixth grade mathematics Wang Li teachers on the case of “cylinder of knowledge” gives us a good example of this class teacher in the classroom is how to reflect “double master ” it? Act as the protagonist