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一、分类,源自问题的需要教学苏教版二年级下册“数据的收集和整理(一)”时,一位教师根据教材安排的一个实际问题组织了如下的教学过程。课件出示:师:仔细观察这幅图,想一想我们可以怎样来分类?生:可以分为长跑和跳高。师:对啊,按照比赛项目可以分为长跑和跳高。生:也可以分为狗、兔、猴。师:对,按照动物的种类可以分为这样的三类。请大家完成下面的表格。
First, the classification, from the needs of the problem teaching Second Edition of the Soviet version of the second volume “data collection and finishing (a) ”, a teacher organized according to a practical issue of teaching materials organized the following teaching process. Courseware show: division: a closer look at this picture, think about how we can classify? Health: can be divided into long-distance running and high jump. Teacher: Yes, according to the competition can be divided into long-distance running and high jump. Health: can also be divided into dogs, rabbits, monkeys. Teacher: Yes, according to the type of animal can be divided into such three categories. Please complete the form below.