Unit7SectionB1a-1c課件人教版英語七年級(jí)上冊(cè)

SectionB1a-1eUnit7Howmucharethesesocks?—Howmuchisthis…?—It’s…dollars.—It’s$3.—It’s$7.—Pleasedown.—It’s$4.—Youaregreat.—Pleaseup.Youonlyhave3guesses.($2-$8)GuessthepriceLet'sguess($20-$25)($15-$20)($10-$15)—Howmuchisthis…?—It’s…dollars.$18—Howmucharethese…?—They’re…dollars.$23$2$14($1-$5)$11($7-$12)teneleventwelvethirteenfourteenfifteen十十一十二十三十四十五Canyoucountthenumbers?sixteenseventeeneighteennineteentwentythirty十六十七十八十九二十三十171215161318141119Canyoureadthem?eleventwelveseventeenfourteenfifteensixteennineteeneighteenthirteen10ten21242322thirty25twenty-sixtwenty-seventwenty-eighttwenty-ninetwenty-onetwenty-twotwenty-threetwenty-fourtwenty-five3026272928thirty-one31twenty20onetwothreefourfivesixseveneightnineten

eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one…twenty-ninethirty-one…thirty-nineforty-one…forty-ninefifty-one…fifty-ninesixty-one…sixty-nineseventy-one…seventy-nineeighty-one…eighty-nineninety-one…ninety-ninehundredLearnthesenumbersandfindouttherules:掌握基數(shù)詞的拼寫?；鶖?shù)詞的表達(dá)法分類表達(dá)法示例1-12拼音和讀寫沒有什么相似之處，無規(guī)律可循One,two,three13-19在相應(yīng)的個(gè)數(shù)后加-teen（13,

15,18較特殊）Thirteen,fourteen,fifteen,sixteen,seventeen,eighteen20-90整十?dāng)?shù)在相應(yīng)的個(gè)數(shù)后加-ty（20,30,40,50,80較特殊）Twenty,thirty,forty,fifty,eighty1-99非整十?dāng)?shù)整十?dāng)?shù)+連字符+個(gè)位數(shù)Twenty-one,thirty-two,forty-three1aListenandrepeat.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____10111213142526272829202122232415161917301831101112131415161718192021222324252627282930311cListenandcirclethenumbersyouhearin1a.(小組競(jìng)賽：你能做出這些數(shù)學(xué)題嗎?)1.Oneandtwois________.2.Elevenandtwenty-fouris_________.3.Forty-fiveplusfiveis_______.4.Eightminusthreeis_______.threethirty-fivefiftyfiveCanyoudealwiththesemathproblems?5.Sixty-twominustenis__________.6.Multiplyfivebynineis__________.7.Eightdivided

bytwois___________.fifty-twoforty-fivefour計(jì)算：

加and/plus減minus

乘multiply…by…除…divideby…Lookandanswerquickly.Howmucharetheblackshoes?Howmuchisthebluesweater?Howmucharethesetrousers?HowmuchistheT-shirt?Howmuchisthegreensweater?1dListenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.√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?Readtheconversationafterthetape.Mom:It’stwentydollars.Butyouhaveagreensweater.Kate:Mmm.Mom:Oh,doyoulikethesetrousers?Kate:O