二年级数学下册第4章表内除法(二)第2课时用常见的数量关系解决问题课件新人教版.ppt

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你喜欢玩玩具吗?喜欢玩什么玩具? 星期天,妈妈带你去玩具店挑选玩具吗?,用除法解决简单的实际问题,5687(个),为什么用除法计算?,一个地球仪是8元,要求“56元可以买几个地球仪” ,也就是在求56元里面有几个8元,所以应该用除法进行计算。,想一想,如果24元买了6辆 ,一辆 多少钱?,( ),口答:一辆小汽车 元。,4,(2)你知道了什么?让我们求什么?,(1)谁来读题?,(4)谁会列式解决?,(3)要解决这个问题需要哪些信息?,(5)为什么用除法计算?,(6)解答正确吗?,你还能提出其他数学 问题并解答吗?,(1)谁来读读题?,(3)怎样解答?,(2)你知道了什么?,4085(张),因为一张电影票8元,要求“40元能买几张票”,也就是在求40里面有几个8,40里面有5个8,所以能买5张电影票。,一根28米长的绳子,每7米分成一段,可以分几段?,(1)谁来读读题?,(2)你知道了什么?,(3)把你的想法用算式表示出来。,2874(段),(4)为什么用除法计算?,因为每7米分成一段,要求28米长的绳子可以分成几段,也就是求28里面有几个7,28里面有4个7,所以可以分成4段。,(5)解答正确吗?,这节课我学会了什么?快来说一说吧!,课本第43页练习九第1,4题。,xx小学 x年级x班,xxx,

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