Unit 7 第三課時(shí)Section B（1a-1e）參考課件

Unit7Howmucharethesesocks?人教版英語(yǔ)七年級(jí)上冊(cè)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:能夠正確使用基數(shù)詞描述商品價(jià)格3.Grammar:基數(shù)詞的構(gòu)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

十九從one到twelve，拼寫(xiě)和讀音沒(méi)有什么規(guī)律，逐一記憶；從thirteen到nineteen,表示“十幾”，其后均有后綴-teen。注意thirteen,fifteen,eighteen的拼寫(xiě)。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“幾十幾”，用“整十?dāng)?shù)+個(gè)位數(shù)”表示，中間用連字符“-”把十位數(shù)和個(gè)位數(shù)連接起來(lái)。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“幾十幾”，用“整十?dāng)?shù)+個(gè)位數(shù)”表示，中間用連字符“-”把十位數(shù)和個(gè)位數(shù)連接起來(lái)。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?gòu)膖wenty到ninety，表示“整幾十”，其后均有后綴-ty。但需注意以下幾個(gè)詞的拼寫(xiě)：twenty,thirty,forty,fifty,eighty。表示“幾百”，用“具體數(shù)字+hundred”，注意hundred應(yīng)用單數(shù)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數(shù)字接龍游戲Two.Four.Six.Eight....CountbytwoPost-listening數(shù)字接龍游戲Three.Six.Nine.Twelve....CountbythreePost-listening1)表示數(shù)量，置于名詞前。2)表示編號(hào)，置于名詞后。名詞和基數(shù)詞首字母通常大寫(xiě)。3)表示號(hào)碼。4)表示年齡。5)表示時(shí)間。6)表示計(jì)算。Ihavefiveapples.我有五個(gè)蘋(píng)果。I'minClassTwo,GradeSeven.我在七年級(jí)二班。Myphonenumberis239-8271.我的電話號(hào)碼是239-8271。Myfatherisfortynow.我的爸爸四十歲了?；鶖?shù)詞的用法數(shù)詞是表示數(shù)量或順序的詞，可分為基數(shù)詞和序數(shù)詞兩種。表示數(shù)目多少的詞叫基數(shù)詞，如one,two,three等?；鶖?shù)詞可指代或修飾可數(shù)名詞。It'seighttwentynow.現(xiàn)在八點(diǎn)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、用英文快速說(shuō)出你看到的數(shù)字3113221225362419Exercises二、漢譯英11個(gè)籃球

__________________________14個(gè)西紅柿________________________23件襯衫__________________________28只紅襪子________________________35頂帽子__________________________12345elevenbasketballsfourteentomatoestwenty-threeshirtstwenty-eightredsocksthirty-fivehatsExercises三、

補(bǔ)全對(duì)話A:________________________B:Yes,please.I_________ahat.A:___________________________B:Black.A:Hereyouare.B:____________________A:5dollars.B:I’lltakeit.Thanks.A:________