“统计”教学一直是公开课的热门内容,因为它与生活联系,又有学生可以操作实践的内容,比较容易体现新课标的理念。但以往教师只有简单的统计图表的教学经验,对许多新增加的内容比较陌生,加上一些教师自身就缺乏统计的专业知识,因此在众多的公开课和家常课中,一些不可忽视的教学现象值得我们关注和思考。不久前笔者参加了一次数学课堂 “Statistics ” teaching has always been a hot topic in open class, because it is linked with life, there are students can practice the content of the practice, it is easier to reflect the concept of the new curriculum standard. However, in the past, teachers had only simple teaching experience of statistical charts, which were unfamiliar to many newly added contents. In addition, some teachers lacked the professional knowledge of statistics. Therefore, in many public courses and ordinary courses, some teaching phenomena that can not be ignored It is worth our attention and thinking. Not long ago I participated in a math class