此资料由网络收集而来,如有侵权请告知上传者立即删除。资料共分享,我们负责传递知识。小兔请客教学课题:小兔请客LittleRabbit’streat教学目标:在实际情境中,进一步体会加减法的意义。能正确地进行整十数的加减法的计算。Tostrengthenkids’understandingofadditionandsubtractionEnablekidstocalculatecorrectly.教学重点:在实际情境中,进一步体会加减法的意义。Tostrengthenkids’understandingadditionandsubtraction.掌握整十数加减法的计算方法。Masterthemethodofdoingadditionandsubtraction.教学难点:能正确地进行整十数的加减法的计算。Doadditionandsubtractioncorrectly.课前准备:课件。courseware教学过程:Procedures:一、出示课题:小兔请客Presentthetitle:LittleRabbit’streat.请客要准备什么东西呢?Whatshouldweprepareforatreat?1.小兔准备了什么?(果子)Let’sseewhatLittleRabbithasprepared.小兔先拿出了几盘果子?(3盘)HowmanyplatesoffruitshasLittleRabbittakenoutatfirst?
此资料由网络收集而来,如有侵权请告知上传者立即删除。资料共分享,我们负责传递知识。你知道这3盘一共有多少果子吗?(小猴说:“每盘10个果子”,3盘就有3个十,就是30个。)Doyouknowhowmanyfruitsthereareinthese3plates?(LittleMonkeysays:Thereare10ineachplate.Sothereare30inthreeplates.)小兔又拿出了多少个果子?HowmanymorefruitdoesLittleRabbittakeout?你想提什么问题?(一共有多少个果子?)Whatquestiondoyouwantask?(Howmanyfruitistherealltogether?怎样解答?你会写算式吗?Howtoworkitout?Canyouwritethecalculation?用小棒代替果子摆一摆。Usethesesmallsticksasfruits,placetherightnumber.(先摆3个十,再摆2个十,一共是几个十?)(First,place3groupsofsticks,Eachgrouphastensticks.Then2groupswith10sticksineach.Howmanytensdowehavealltogether?)2.看看发生了什么事?(小刺猬拿走了一盘果子。)Let’sseewhathappened?(Littlehedgehogtakesawayaplateoffruit.)你想提什么问题?(还剩下多少个果子?)Whatkindofquestiondoyouwanttoask?(Howmanyfruitleftthere?)怎样解答?你会写算式吗?Howtoworkout?Canyouwritethecalculation?用小棒代替果子摆一摆。
此资料由网络收集而来,如有侵权请告知上传者立即删除。资料共分享,我们负责传递知识。Usethesesmallsticksasfruits,placetherightnumber.(先摆5个十,拿走1个十,还剩下几个十?)First,place5ten.Take1tenaway,howmanytenleftthere?这两个算式有什么特点?(每个数都是整十数)What’sthecharacteristicofthese2calculations?这样的加减法会做吗?Canyoudothiskindofadditionandsubtraction?二、练一练:Practice:1.看图,你看到了什么?你想提什么问题?Lookatthepicture,whatdoyouseeinthepicture?Whatquestiondoyouwanttoask?(桌子上有40根小棒,女孩子又拿来20根,一共有多少根小棒?)Thereare40sticksonthetable.Thegirlbringsanother20,howmanysticksaretherenow?(桌子上原来有60根小棒,男孩子拿走了20根,还剩多少根小棒?)Thereare60sticksonthetable,theboytakesaway20sticks,howmanyleft?2.自己算一算Doitbyyourself.3.母鸡在找自己的孩子,请你帮帮它们,连线。Thehenislookingforherchildren.Pleasehelpthemtoconnect.看图:图上画的是那里啊?(果园)Lookatthepicture:Whereisit?果园里水果真多,都有那些水果?有多少?Therearesomanyfruitsintheorchard,whatkindoffruitdowehave?Howmanyfruitarethereintheorchard??你想提什么问题?
此资料由网络收集而来,如有侵权请告知上传者立即删除。资料共分享,我们负责传递知识。Whatquestionsdoyouwanttoask?