Unit7SectionB1a-1e课件人教版七年级英语上册3

Unit7Howmucharethesesocks?

SectionB1a-1eWarmupWatchandrepeat.Numbersteneleventwelvethirteenfourteenfour+teen→sixteenseventeennineteenfifteeneighteenPresentation10111213141518161719twentytwen+ty→thirtythir+ty→twenty-onetwenty-twothirty-one203021223140

forty50

fifty60

sixty…teneleventwelvethirteenfourteenfour+teen→sixteenseventeennineteenfifteeneighteen10111213141518161719Numbersone到twelve，拼写和读音无规律。thirteen到nineteen,“十几”,在个位数后加后缀-teen,注意thirteen,fifteen和eighteen。twentythirtytwenty-onetwenty-twothirty-one2030212231twenty到ninety,“几十”,以ty结尾,注意twenty,thirty,forty,fifty,eighty。

21~29直到91~99,“几十几”,用整十位数加个位表示,中间用连字符“-”把十位和个位连接起来。

onehundred“一百”,也可说ahundred,可加具体数字,如ninehundred(900)。此时,hundred要用单数。数词1.十一

2.十二

_3.十三

4.十五

_5.十八

6.十

_7.二十

8.三十

_thirty

twenty

ten

eighteen

fifteen

thirteen

twelveeleven

【预习检测】1.Annielikesyellowandshelooksgreatinyellow_________.2.Billy'smothergoestothevegetable________forsomecarrots.3.Sarawants_________anicebagforhermother.4.______mybooksareinthebookcase.5.Linda,itis______latenow.Youneedtogotobed.二.从方框中选择合适的单词并用其适当形式填空。store,all,very,clothes,buyclothesstoretobuyAllveryAskandanswerinpairsT-shirtsweaterhatjacketskirtbagA:Howmuchis…?B:It's…

dollars.$4$6$5$4$3$9A:Howmuchare…?B:They're…

dollars.shortstrousersshoes$4$7$8$9$2$8$4$6Actouttheconversation.ReviewTrytomakeconversationsaccordingtothepictures.Howmuchisthis…?It’s…dollars.Howmucharethese…?They’re…dollars.$22$12$11$20$14$18$6$16Let'splayanumbergame!1,2,,4,5,,7,8,….Iamhappy.逢3或3的倍数，说“Iamhappy.”1a

Listenandrepeat.

101112131415161718192021222324252627282930311bWritethenumbersin1anexttothecorrectwords.Whichrowsofnumbersareinthewrongplaces?ten___eleven___twelve___thirteen___fourteen___twenty-five____twenty-six_____twenty-seven____twenty-eight____twenty-nine____twenty____twenty-one____twenty-two____twenty-three_____twenty-four____fifteen______sixteen______seventeen______eighteen_____nineteen_____thirty____thirty-one_____10111213142526272829202122232415161718193031Row2shouldberow4;row4shouldberow2.Row1:ten___eleven___twelve___thirteen___fourteen___Row2:twenty-five____twenty-six_____twenty-seven___twenty-eight____twenty-nine___Row3:twenty____twenty-one____twenty-two___twenty-three___twenty-four____Row4:fifteen______sixteen______seventeen______eighteen_______nineteen_____Row5:thirty____thirty-one_______1bWritethenumbersin1anexttothecorrectwords.Whichrowsofnumbersareinthewrongplaces?1011121314252627282920212223241516171819303110111213141516171819202122232425262728293031Listenandcirclethenumbersyouhearin1a.听录音，从活动1a中圈出你听到的数字。1cPractice➕and/plus➖minus✖timesFiveandsixis

.

Eightplusnineis

.

Eightminussevenis

.Twenty-threetimestwois

.elevenseventeenoneforty-sixEnrichyourlifetoday,yesterdayisowismysteryListenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check()thethingKatebuys.听录音，在图中圈出莉萨和妈妈谈论的物品。在莉萨所买的东西上打勾()。1dWhile-readingMr.Cool'sClothesStoreComeandbuyyourclothesatourgreatsale!Wesellallourclothesatverygoodprices.Doyoulikesweaters?Wehavegreensweatersforonly$15!Yellowsweatersareonly$12!Doyouneedtrousers?Forboys,wehaveblacktrousersforonly$22.Andshortsareonly$16!Forgirls,wehaveskirtsinpurpleforonly$20.Howmuchareourjackets?Only$30!Andwehaveblackshoesforonly$28.Socksareonly$2forthreepairs！CometoMr.Cool'sClothesStorenow!1dReadtheadandfillinthepricetags.Skimming_______________________________________________________________________________________________________________________________________________________________________________________________$15$12$20$16$28$22$2/3pairs$30Enrichyourlifetoday,yesterdayisowismysteryFillintheblanks.Mom:Oh,look!Ilikethat_____________.Howmuchisit?Kate:________dollars.Oh,Ilikethesesocks.Mom:Oh,no.Idon’tlike_______.Kate:Doyoulikethis___________?Mom:Yes,Ido,butit’s___________________.Kate:Oh,howmuchisthe__________________?Mom:It’s________dollars.Butyouhaveagreensweater.Kate:Mmm.Mom:Oh,doyoulikethese__________?Kate:Oh,yes.______________arethey?Mom:Only______________.Kate:OK,I’ll________them.bluesweater.FifteenredT-shirtelevendollarsgreensweatertwentytrousersHowmuchsixteendollarstake1eHowmuchisthebluesweater?It’s15dollars.Askandanswerquestionsaboutthethingsinthepictureabove.

PairworkHowmucharethebluetrousers?They’re16dollars.填表格，记数字。101115tenthirteentwelve201830sixteennineteen262839twenty-onethirty-fiveeleven13fifteen12twenty16eighteen19thirtytwenty-six21twenty-eight35thirty-nineExercisesPre-writingLookatthethingsinthepicture.Fillintheblanksinthead.HuaxingClothesStoreDoyoulike_________?Wehave_________foronly_____yuan.Howmuchareour_________?Only______yuan.Andred_______are_____yuan.sweaters21sweaterstrousersskirts2025BigSale!Enrichyourlifetoday,yesterdayisowismysterySummaryMr.,clothes,store,buy,sale,sell,all,very,price,boyComeandbuyyourclothesatourgreatsale!

buysth.forsb./buysb.sth.,sellsth.tosb.,onsale,atverygoodprices,inpurple,apairofWesellallourclothesatverygoodprices.Forboys,wehaveblacktrousersforonly$22.Forgirls,wehaveskirtsinpurpleforonly$20.SentencesUsefulexpressionsKeywords1.Hey,Mike.Howmuch_____yourtrouser