SectionB(1a-1e)Unit7Howmucharethesesocks?•1.数词:ten---thirty-one•句型:Howmuchis/are...?Itis/Theyare...dollars•2.会用数词表达物品价格。【学习重难点】•会灵活运用本课所学数词回答物品价格。1aListenandrepeat.10111213141516171819202122232425262728293031•ten10•eleven11•twelve12•thirteen13•fourteen14•fifteen15•sixteen16•seventeen17•eighteen18•nineteen19Twenty20Twenty-one21Twenty-two22Twenty-three23Twenty-four24Twenty-five25Twenty-six26Twenty-seven27Twenty-eight28Twenty-nine29Thirty30Thirty-one31Writethenumbersin1anexttothecorrectword.Whichrowsofnumbersareinthewrongplaces?1bten__eleven__twelve__thirteen__fourteen__twenty-five__twenty-six__twenty-seven__twenty-eight__twenty-nine__twenty__twenty-one__twenty-two22twenty-three__twenty-four__fifteen__sixteen__seventeen__eighteen__nineteen__thirty__thirty-one__101112131425262728292021232415161718193031Listenandcirclethenumbersyouhearin1a.1c10111213141516171819202122232425262728293031•ten10•eleven11•twelve12•thirteen13•fourteen14•fifteen15•sixteen16•seventeen17•eighteen18•nineteen19Twenty20Twenty-one21Twenty-two22Twenty-three23Twenty-four24Twenty-five25Twenty-six26Twenty-seven27Twenty-eight28Twenty-nine29Thirty30Thirty-one31onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentyThirty······twenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nineLearnthesenumbersandfindouttherules:（1）0-12:拼写和读音没有规律，需逐个记忆。（2）13-19:“表示十”几，在3-9英文单词后加-teen。注意特例：thirteen,fifteen,eighteen（3）20和30:“”表示整十，单词结尾是ty。(4)21-31…表示“几十几”，由“几十”的单词加上1-9的单词构成，中间用连词符“-”连接。如：twenty-twoListenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check(√)thethingKatebuys.1d√Howmuchis/are…?It’s…/They’re…填表格，记数字101115tenthirteentwelve201830sixteennineteen262839twenty-onethirty-fiveeleven13fifteen12twenty16eighteen19thirtytwenty-six21twenty-eight35thirty-nineExercisesExercises二、做数学题，学英语。1.twenty-six－twelve－nine=_______2.sixteen＋eight＋eleven=_________3.eighteen－seven＋fifteen=___________4.thirteen＋fourteen－twenty-five=_____5.twenty-nine－thirteen－ten=_________6.thirty-nine－twenty－five=_________7.twelve＋thirteen－fifteen=_________8.nineteen－eleven＋twenty=___________fivethirty-fivetwenty-sixtwosixfourteententwenty-eight1.熟记所学的有关数字词汇。2.完成练习册33页第一，二题。Homework
