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【课堂实录1】一、创设情境,导入新课师:这里有一堆硬币,请问怎样才能很快的算出这堆硬币的数值?生:按币值可以把它们分成三类,分别算出它们的数目,最后把它们相加就可以算出硬币的总数目.
[Class Record 1] First, create the situation, into the new class teacher: Here is a pile of coins, how can we quickly calculate the value of the pile of coins? Health: According to the currency can be divided into three categories, respectively, calculate their number, Finally add them to calculate the total number of coins.