二年级数学下册整本预习资料全汇总
1二年级数学下册整本预习资料全汇总第一单元:数据收集整理1、结合具体情境,经历数据的收集和整理的过程,初步了解统计的意义;了解收集数据的简单方法(调查法),了解记录数据的简单方法,会用“正”字记录数据,并能用表格呈现整理数据的结果(统计表)。2、会对数据进行简单的分析,如明确知道谁最多,最少,会提出相应的简单问题和建议。重点题型:P4第3题,P5第5题,P6第7题。第二单元:表内除法(一)1、平均分的含义:把一些物品分成几份,每份分得同样多,叫平均分。2、把一些东西平均分成几份,求每份是多少;用除法计算,总数÷份数=每份数。比如:把15个苹果平均分成3份,求每份是多少?15÷3=5(个)把一个...
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