SectionB1a-1eUnit7Howmucharethesesocks?七年級上冊RJ初中英語1.Newwords:ten,eleven,twelve,thirteen,fifteen,eighteen,twenty,thirty

2.Sentences:①—Howmuchisthegreensweater?—It’s

twentydollars.②

—Howmucharethey?—Onlysixteendollars.LearninggoalsSaythepriceofthefollowingproductsonebyone.A:Theseeggsareonedollar.$2$5$1$4$3B:Thesesocksaretwodollars.C:Thispencilboxisthreedollars.D:Thispenisfourdollars.E:Thathatisfivedollars.Warmingup$9$8$6$7F:ThisT-shirtissixdollars.G:Theseapplesaresevendollars.H:Thatskirtiseightdollars.I:Thoseshortsareninedollars.1aListenandrepeat.101112131415161718192021222324252627282930311bWritethenumbersin1anexttothecorrectwords.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.Competewithyourpartner.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___10111213262914252728202122232415161718193031ten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，拼寫和讀音沒有什么規(guī)律，逐一記憶；從thirteen到nineteen,其后均有后綴-teen。注意thirteen、fifteen、eighteen的拼寫。twenty

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thirty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)+個位數(shù)”表示，中間用連字符“-”把十位數(shù)和個位數(shù)連接起來。twenty

二十thirty

三十forty

四十fifty

五十sixty

六十seventy

七十eighty

八十ninety

九十onehundred一百從twenty到ninety，表示“整幾十”，其后均有后綴-ty。但需注意以下幾個詞的拼寫：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。數(shù)字接龍游戲Two.Four.Six.Eight....（1）表示數(shù)量，置于名詞前。（2）表示編號，置于名詞后。Ihavefiveapples.我有五個蘋果。I'minClassTwo,GradeSeven.我在七年級二班。基數(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。基數(shù)詞可指代或修飾可數(shù)名詞。（3）表示號碼（4）

表示年齡（5）

表示時間（6）

表示計算Myphonenumberis239-8271.我的電話號碼是239-8271。Myfatherisfortynow.我的爸爸四十歲了。It'seighttwentynow.現(xiàn)在八點二十分。Fiveandthreeiseight.五加三等于八。Howmuchisthisskirt?It'stendollars.$10Makeconversationswithyourpartner.Howmucharethetrousers?They'reeighteendollars.$18Howmuchisthisbag?Twenty-twodollars.$22Howmuchisthesweater?Thirty-onedollars.$31Wherearethepeopleinthepicture?Canyouguesstheirrelationship?Howmucharetheblackshoes?Howmuchisthebluesweater?Howmucharethetrousers?HowmuchistheT-shirt?Howmuchisthegreensweater?1cListenandcirclethenumbersyouhearin1a.101112131415161718192021222324252627282930311dListenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.√Readtheconversationwithyourpartner.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.1eAskandanswerquestionsaboutthethingsinthepicture.A:Howmuchisthewhitebag?B:It'sseventeendollars.一、用英文快速說出你看到的數(shù)字3113221225362419Exercises二、漢譯英11個籃球

__________________________14個西紅柿________________________23件襯衫__________________________28只紅襪子________________________35頂帽子__________________________elevenbasketballsfourteentomatoestwenty-threeshirtstwenty-eightredsocksthirty-fivehats三、

補(bǔ)全對話A:________________________B:Yes,please.I_________ahat.A:___________________________B:Black.A:Hereyouare.B:____________________A:5dollars.B:I’lltakeit.Thanks.A:_______________________CanIhelpyou?wantWhatcolordoyouwant?Howmuchisit?You’rewelcome.ten,eleven,twelve,thirtee