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《数学课程标准(2011年版)》在第二学段的课程内容中明确要求:“在具体情境中,通过实例感受简单的随机现象……通过试验、游戏等活动,感受随机现象结果发生的可能性是有大小的……”我们的理解,要让学生感受简单的随机现象以及随机现象结果发生的可能性是有大小的,一方面,要引导他们体会“对于同样的事情每次收集到的数据可能不同”;另一方面,也要使他们体会“只要有足够多的数据就可能从中发现规律”。在小学进行“可能性”的教学,可以帮
In the second semester, the course content clearly states: “In simple situations, we experience simple random phenomena through examples ... We experience the effects of random phenomena through experiments, games and other activities.” Possibilities are sizeable ... “Our understanding is that students are given the chance to feel simple random phenomena as well as random phenomena. The likelihood of the results occurring is large and small, on the one hand, to guide them to understand.” For the same thing every time The data collected may be different. “On the other hand, they should also be allowed to realize that” as long as there is enough data, we can find out the law from it. “ Conducting ”Possibility" teaching in elementary school can help