内容:北师大版小学数学第五册《年月日》。【背景与导读】陈旭远在《新课程与教学有效性的思考》中这样表述教学有效性的概念:教学有效性指在教学活动中,教师采用各种方式和手段,用最少的时间、最小的精力投入,取得尽可能多的教学效果,实现特定的教学目标。由于《年月日》内容来自学生自身生活和现实生活,学生对年、月、日有一定的感性经验,所以这节课主要利用“自主探究学习”这种方式,让学生学会使用观察比较的方法,发现 Content: Beijing Normal University version of primary school mathematics fifth “year, month.” 【Background and Introduction】 Chen Xuyuan in the “new curriculum and teaching effectiveness of thinking,” the concept of teaching effectiveness: teaching effectiveness refers to the teaching activities, teachers use a variety of ways and means, with the least time, the smallest Effort, as much as possible to achieve the teaching effect, to achieve specific teaching goals. Since the content of “year, month and day” comes from the student’s own life and real life, the students have certain emotional experiences on the year, the month and the day. Therefore, this lesson mainly uses “autonomous inquiry learning” to let students learn to use observation The method of comparison found