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平均数是一个统计量,在我们小学阶段,要学习到三个统计量,它们分别是平均数、中位数、众数,其中又以平均数应用最为广泛,它也是学生学习其他两种统计量的基础。以前,听过很多教师执教这一内容,总觉得课上完后,学生还是有些迷茫。于是,静下心来,总想琢磨个为什么。“难道是教师的教学设计不够好?还是教师在课堂上的引导不到位?……”再次回想教师的教学过程,发现就算是很好的教学设计,就算是经过教师的精心引导,这样的问题同样会出现。究其原因,我个人认为,是这
The average is a statistic. In our elementary school, we have to learn three statistics: the average, the median and the mode. Among them, the average is the most widely used one. It is also used by students to learn the other two statistics The basis of volume. In the past, I heard a lot of teachers coaching this content, always feel that after class, students still a little confused. So, calm down, always want to figure out why. Is the teacher’s instructional design is not good enough? Or is the teacher in the classroom guidance is not in place? ...... "Recalling the teacher’s teaching process again and found that even a very good instructional design, even after carefully guided by the teacher, so The same question will appear. The reason, I personally think it is this