新人教版七上英语定稿Unit7sectionB（1a-1e）公开课19张VIP免费

ahatHowmuchisthiswhitehat?--It’s4dollars.What’sthis?Whatcolorisit?$4awhitehatHelenHowmucharetheseredsocks?--They’re2dollars.$2Whatcolorarethey?What’rethese?socksredsocksHelenonetwothreefourfivesixseveneightninezero/o0123456789eleventwelveten7+10=17fourteensixteenseventeennineteenfourteen+6+10=164+10=149+10=195+10=158+10=18fivesixseveneightnine+++++teenteenteenteenteenfiveteeneightteen3+10=13three+teenthreeteenFindtherules找规律thirfifeightwentytwen+tythirtythirtytwenty-onetwenty-twothirty-one+212231……2030Howabout40,50,60,70,80,90?1:1---12:(记住每个单词)2:13---19:-teen(thir-,fif-,eigh-)3:20---90:-ty(twen-,thir-,for-,fif-,eigh-)4:21---31:十位__个位Summary小结:1到12要死记，13-19要加-teen,变形就是358，20-90后加-ty,23458要变,若是十位个位都要读，先读十位再个位，中间一横不要忘。What’sthis?Congratulations1,2,,4,5,7,8,….31Iamhappy.逢3的倍数，说“Iamhappy.”1aListenandrepeat.B1a.mp3101112131415161718192021222324252627282930311bListenandcirclethenumbersyouhearin1a.hatPairwork(分组问答物品价格)A:Howmuchis/aretheblack/white…?B:It’s/They’re….T-shirt$14$30$28$15trouserssweaterA:CanIhelpyou?B:Yes,please.Iwantahat.A:Whatcolordoyouwant?B:Black.A:Hereyouare.B:Howmuchisit?A:15dollars.B:I’lltakeit.Thanks.A:You’rewelcome.Groupwork15dollars31dollars25dollarsCanyousolvetheseproblems?你们会做下列问题吗?eight+nine=_________.three+twelve=________.sixteen+thirteen=__________.thirty–fourteen=_________twenty-six–eighteen=_______.seventeenfifteentwenty-ninesixteeneight14个西红柿27件衬衫35只红袜子63个学生fourteentomatoestwenty-sevenshirtsthirty-fiveredsocks.sixty-threestudentsTranslateandwritethemdown.1.-这双红色的袜子多少钱？-12美元。2.-那件毛衣多少钱？-26美元。-Howmucharetheredsocks?-They’retwelvedollars.-Howmuchisthatsweater?-It’stwenty-sixdollars.不要花钱如流水。Thankyou&Goodbye!