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前段时间,学校里组织了数学教师课堂教学展示活动。我执教了《求一个小数的近似数》一课。现将这一内容的两次备课、上课的情况整理如下:第一次教学过程:一、导入新课师:同学们,老师家有个邻居小孩叫豆豆。前两天,他们幼儿园进行了体检活动,测量出他的身高是0.984米。(课件出示豆豆的身高图片和0.984米)师:你觉得他的身高用0.984米表示,有必要这么精确吗?
Some time ago, the school organized a mathematics teacher classroom teaching demonstration activities. I coached a lesson on “Approximating a decimal.” Now the content of the two lessons, the situation is arranged as follows: The first teaching process: First, the introduction of a new class teacher: classmates, the teacher has a neighbor home child called Peas. Two days ago, they performed a physical examination in their kindergarten and measured that their height was 0.984 meters. (Courseware shows the height of Peas picture and 0.984 meters) Teacher: Do you think his height with 0.984 meters, it is necessary so accurate?