湘少版四年级上英语Unit 9课件 59页

Unit9It’sonehundred湘少版·四年级上册 Lead-in1-20NumberSong Newwordsonehundred一百 right正确的 wrong错误的 forty-six四十六 fifty-four五十四 homework家庭作业 twenty二十 thirty三十 forty四十 fifty五十 sixty六十 seventy七十 eighty八十 ninety九十 Let’sListenandSay Isthisright,MissLi?Yes,it’sright.Good!Thankyou. Pleasethinkagain.Forty-sixandfifty-fouris…Oh!I’mwrong!It’sonehundred. Languagepoints1.Pleasethinkagain.请再想一想。这是一个祈使句，其结构是“Please+动词原形+其他.”。please的意思是“请”，可以放在句首也可以放在句末，当please放在句末时，常用逗号与前面的部分隔开。例句：请打开你的书。Openyourbook,please. 2.Forty-sixandfifty-fouris…四十六加五十四等于……句型结构：数词+and+数词+is+数字.……加……等于……例句：二十一加六十五等于八十六。Twenty-oneandsixty-fiveiseighty-six. Think10＋50________10＋50____70Pleasethinkagain.Tenandfiftyis…Oh!I’mwrong!It’ssixty. 45＋55______45＋55____90Pleasethinkagain.Forty-fiveandfifty-fiveis…Oh!I’mwrong!It’sonehundred. ______46＋54____46＋5490Pleasethinkagain.Forty-sixandfifty-fouris…Oh!I’mwrong!It’sonehundred. Let’sLearn homeworkrightwrong错误的家庭作业正确的 seventy-sixeighty-sevenninety-eightninety-nineonehundred6576879899100twenty-onethirty-twoforty-threefifty-foursixty-five21324354 Languagepoints表示“多少”的词叫作基数词，例如：one,two,three。基数词的构成：（1）11,12eleven,twelve（2）13~19表示“十几”都以后缀-teen结尾。例：thirteen,fourteen,eighteen。 （3）20~90表示“几十”的整数均以后缀-ty结尾。例如：twenty,thirty,forty（4）21~99十位数和个位数之间须用连字符“-”连接。例如：21→twenty-one ActivityCanyousay?99+1=100Ninety-nineandoneisonehundred. 31+32=63Thirty-oneandthirty-twoissixty-three. 76+3=79Seventy-sixandthreeisseventy-nine. Let’sAct IcancountinEnglishfrom1to100.Good,Peter.Let’saddnumbers. 50and50isonehundred.40and60isonehundred.30and70isonehundred. ActivityCanyousaymore?10and90isonehundred.20and80isonehundred. 99and1isonehundred.98and2isonehundred.97and3isonehundred.… Let’sRead Howdoyouspell“Dino”?D-I-N-O.NO,thisisnotDino.It’sCatty.OK!Letmedrawitagain. Now,you’reright.Dinoiscute. Thankyou,Tim.Ilikeyou. LanguagepointsHowdoyouspell“Dino”?D-I-N-O.你怎么拼写“迪诺”这个词？D-I-N-O.询问对方是否会拼写某词的句型结构：Howdoyouspell+…?例句：Howdoyouspellyourname?P-E-T-E-R.注意：答句的每一个字母都要大写，并且字母与字母之间要用连字符“-”。 PlayrolesHowdoyouspell“Jack”?J-A-C-K. Howdoyouspell“Mary”?M-A-R-Y. Let’sReadandWriteWeknowthesum.It’sonehundred.Therearefivenumbershere.Weknowfour:fifteen,twenty-three,twenty-sixandtwenty-seven.Whatisthemissingnumber?100 Let’swrite.100152326279Themissingnumberis_______.nine Let’sChant VvVickywearsavest.Vickyneverhasarest.Vickyplaystheviolin.Sheplaysherbest. Let’sHaveFunWorkingroupsof4.Putanumber(10,20,30,40,50,60,70)ineachcircle.Thesunofthethreecirclesoneachlineis100.Seewhichgroupwins. 10207030406050 Let’sKnowMoreWhattowear?XiaoXiaoisinSanya.It’ssunnyandhottoday.Iwearasunhat. 肖晓在三亚。今天晴朗而炎热。我戴着一顶太阳帽。 DuJuanisinBeijing.Iwearacapandascarftoday. 杜鹃在北京。今天我戴着一顶帽子还围着一条围巾。 BobisinLondon.Ifeelcoldtoday.Iwearacoat,ascarfandacap. 鲍勃在伦敦。今天我感觉很冷。我穿着一件外套，围着围巾还戴着帽子。 JunWeiisinSingapore.IwearaT-shirtandshortstoday. 俊伟在新加坡。今天我穿着一件T恤衫和一条短裤。