三年级英语下册 Unit 6 How Many Part B（第2课时）课件 人教PEP版

Unit6Howmany?人教版(三年级起点)三年级下册PartBLet'slearnLet'schantSum-upWarm-up/RevisionPresentationTestHomework●Let'slearn●Let'schantWarm-up/Revisionsixteen十六【例句】Therearesixteenpencilsinmypencilbox.我的铅笔盒里有十六只铅笔。Presentation+=sixteen【单词巧记】six（6）+teen（青年）=sixteenseventeen十七【例句】Thereareseventeenfishintheriver.河里有十七条鱼。seventeen【单词巧记】seven+teen=seventeeneighteen十八【例句】Tenpluseightiseihteen.十加八等于十八。【单词巧记】eigh+teen=eighteeneightteenegtnineteen十九【例句】Therearenineteenbooksonthedesk.书桌上有十九本书。【单词巧记】nine+teen=nineteenIhavenineteenapples.Ihavenineteenbanans.twenty二十【例句】Wehavetwentydesksintheclassroom.教室里有二十张课桌。wtytenHowmanychilderndoyousee？Let'slearn点击“Let'slearn”，跟我一起读吧！视频Let'slearnHowmanycarsdoyouhave?Wehavetwenty.10and8makes18.十加八等于十八。【详解】此句中and意为“加”,make意为“等”,可以用be动词is来替换。重点句型【拓展】plus也意为“加”，times意为“乘”。Sixandelevenmakesseventeen.Sevenandelevenmakeseighteen.7+11=18Let'schant点击“Let'schant”，跟我一起做吧！视频Let'schantHowmanybirdsdoyouhave?Howmanybirdsdoyousee?Canyoucountthemwithme?Test一、给下列句子选择正确的单词。(1)Look!Ihave16sixteen/fifteenpencils.(2)—Howmanycrayonsdoyousee?—Isee18.eightteen/eighteen(3)—Howmanykitesdoyousee?—Isee17seventeen/fourteen.(4)Ihave19nineteen/ninteenyellowrulers.(5)—Howmanypearsdoyouhave?—Ihave20twelve/twentypears.二、情景交际。()1.你想知道球在哪儿,可以这样问:A.Whereistheballfrom?B.Whereistheball?()2.妈妈告诉你小船在玩具盒里,她可以这样说:A.Theboatisinthetoybox.B.Theboatisinthedesk.()3.露西想知道地图是不是在书桌上,她可以这样问:A.Whereisthemap?B.Isthemaponthedesk?()4.你想去开小汽车,可以这样说:A.Iwanttodriveacar.B.Iwanttoputonacap.BABASum-upsixteen十六重点词汇seventeen十七eighteen十八nineteen十九twenty二十重点句型10and8makes18.十加八等于十八。把你做的数字卡片补充完整吧！（1-20数字卡片）Homework