Unit 7 第三课时Section B（1a-1e）参考课件

Unit7Howmucharethesesocks?人教版英语七年级上册Warmingup—Pre-listening—While-listening—Post-listening—Exercises—SummarySectionB1a-1eLearninggoals1.Curriculumwords:ten,eleven,twelve,thirteen,fifteen,eighteen,twenty,thirty4.Sentences:—Howmuchisthegreensweater?—It’stwentydollars.

—Howmucharethey?—Onlysixteendollars.2.Functions:能够正确使用基数词描述商品价格3.Grammar:基数词的构成和用法WarmingupGamesSaythepricesonebyone.A:Theseeggsareonedollar.$2$5$1$4$3B:Thesesocksaretwodollars.C:Thispencilboxisthreedollars.D:Thispenisfourdollars.E:Thathatisfivedollars.WarmingupGamesSaythepricesonebyone.$9$8$6$7F:ThisT-shirtissixdollars.G:Theseapplesaresevendollars.H:Thatskirtiseightdollars.I:Thoseshortsareninedollars.Pre-listeningHowtosaytheseprices?Canyousay10-31inEnglish?$18$22$31$10Pre-listeningten十eleven十一twelve十二thirteen

十三fourteen

十四fifteen

十五sixteen

十六seventeen

十七eighteen

十八nineteen

十九从one到twelve，拼写和读音没有什么规律，逐一记忆；从thirteen到nineteen,表示“十几”，其后均有后缀-teen。注意thirteen,fifteen,eighteen的拼写。Pre-listeningtwenty二十twenty-one二十一twenty-two二十二twenty-three二十三twenty-four二十四twenty-five二十五twenty-six二十六twenty-seven二十七twenty-eight二十八twenty-nine二十九表示“几十几”，用“整十数+个位数”表示，中间用连字符“-”把十位数和个位数连接起来。Pre-listeningthirty三十thirty-one三十一thirty-two三十二thirty-three三十三thirty-four三十四thirty-five三十五thirty-six三十六thirty-seven三十七thirty-eight三十八thirty-nine三十九表示“几十几”，用“整十数+个位数”表示，中间用连字符“-”把十位数和个位数连接起来。Pre-listeningtwenty

二十thirty

三十forty

四十fifty

五十sixty

六十seventy

七十eighty

八十ninety

九十onehundred一百从twenty到ninety，表示“整几十”，其后均有后缀-ty。但需注意以下几个词的拼写：twenty,thirty,forty,fifty,eighty。表示“几百”，用“具体数字+hundred”，注意hundred应用单数形式。While-listening1aListenandrepeat.10111213141516171819202122232425262728293031Post-listening1bWritethenumbersin1anexttothecorrectwords.Whichrowsofnumbersareinthewrongplaces?ten___twenty-five___twenty___fifteen___thirty___eleven___twenty-six___twenty-one___sixteen___thirty-one___twelve___twenty-seven___twenty-two___seventeen___thirteen___twenty-eight___twenty-three___eighteen___fourteen___twenty-nine___twenty-four___nineteen___10111213262914252728202122232415161718193031Row2shouldberow4;row4shouldberow2.Post-listeningCompetewithyourpartner.Whoreadsmorequickly?ten___fifteen___twenty___twenty-five___thirty___eleven___sixteen___twenty-one___twenty-six___thirty-one___twelve___seventeen___twenty-two___twenty-seven___thirteen___eighteen___twenty-three___twenty-eight___fourteen___nineteen___twenty-four___twenty-nine___10111213262914252728202122232415161718193031Post-listening数字接龙游戏Two.Four.Six.Eight....CountbytwoPost-listening数字接龙游戏Three.Six.Nine.Twelve....CountbythreePost-listening1)表示数量，置于名词前。2)表示编号，置于名词后。名词和基数词首字母通常大写。3)表示号码。4)表示年龄。5)表示时间。6)表示计算。Ihavefiveapples.我有五个苹果。I'minClassTwo,GradeSeven.我在七年级二班。Myphonenumberis239-8271.我的电话号码是239-8271。Myfatherisfortynow.我的爸爸四十岁了。基数词的用法数词是表示数量或顺序的词，可分为基数词和序数词两种。表示数目多少的词叫基数词，如one,two,three等。基数词可指代或修饰可数名词。It'seighttwentynow.现在八点二十分。Fiveandthreeiseight.五加三等于八。Post-listeningHowmuchisthisskirt?It’stendollars.$10Post-listeningHowmucharethetrousers?They’reeighteendollars.$18Post-listeningHowmuchisthisbag?Twenty-twodollars.$22Post-listeningHowmuchisthesweater?Thirty-onedollars.$31Pre-listeningWherearethepeopleinthepicture?Canyouguesstheirrelationship?Pre-listeningLookandanswerquickly.Howmucharetheblackshoes?Howmuchisthebluesweater?Howmucharethesetrousers?HowmuchistheT-shirt?Howmuchisthegreensweater?While-listeningListenandcirclethenumbersyouhearin1a.1c10111213141516171819202122232425262728293031While-listeningListenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.1d√Post-listeningReadtheconversationwithyourpartner.Mom:Oh,look!Ilikethatbluesweater.Howmuchisit?Kate:Fifteendollars.Oh,Ilikethesesocks.Mom:Oh,no.Idon’tlikered.Kate:DoyoulikethisT-shirt?Mom:Mmm,yes,Ido,butit’selevendollars.Kate:Oh.Howmuchisthegreensweater?Mom:It’stwentydollars.Butyouhaveagreensweater.Kate:Mmm.Mom:Oh,doyoulikethesetrousers?Kate:Oh,yes.Howmucharethey?Mom:Onlysixteendollars.Kate:OK,I’lltakethem.Post-listeningAskandanswerquestionsaboutthethingsinthepicture.1eA:Howmuchisthewhitebag?B:It'sseventeendollars.Exercises一、用英文快速说出你看到的数字3113221225362419Exercises二、汉译英11个篮球

__________________________14个西红柿________________________23件衬衫__________________________28只红袜子________________________35顶帽子__________________________12345elevenbasketballsfourteentomatoestwenty-threeshirtstwenty-eightredsocksthirty-fivehatsExercises三、

补全对话A:________________________B:Yes,please.I_________ahat.A:___________________________B:Black.A:Hereyouare.B:____________________A:5dollars.B:I’lltakeit.Thanks.A:________