Lesson2MathsinEnglish

numbersinourlife,calendarklnd,adress,bill,stationboard,Phonenumber,address,in,English,Unit4Lesson2,Calculatingsigns/mathematicalsymbols:,pluspls,minusmains,timestamz,dividedbydvadd,equalikwlequaled/equalled,12+15=,27,Dothesum,inEnglish?,12+15=,27,13+18=,31,48+52=,100,100-52=,48,257=,18,plus,minus,9+67=,8,equals,equals,Addition:,Subtraction:,Twelveplusfifteenequalstwenty-seven.,Onehundredminusfifty-twoequalsforty-eight.,补充1adddv.加；增加；补充additiondnn.增加；加法；附加物additionala.附加的；额外的additionallyad.=inaddition另外；此外e.g.1、Ifyouadd4to5,youllget9.四加五等于九。*4and5is9.2、Iftheteaistoostrong,addsomehotwatertoit.如果茶太浓,加点开水。subtractsbtrktvt.减去e.g.1、Ifyousubtract2from8,youllget6.8-2=6,30+22=,50+23=,Pairwork,A:Howmuchisplus/minus?B:plus/minusequals,10048=,8267=,16439=,Eleven_fourteenequals25,Seventeenpluseight_twenty-five.,52_48equals_.,98_13_85,Sixteen_fourequalstwelve.,22+_=32,96+1410=_,e_al,p_s,m_s,plus,equals,minus,10,minus,equals,plus,100,minus,4,100,q,u,l,u,i,n,u,=,Howmany?,2510=,250,333=,99,122=,24,20040=5,306=,5,times,dividedby,10025=,4,540=,200,819=,9,equals,equals,Multiplication:mltplken,Division:dvn,Twenty-fivetimestenequalstwohundredandfifity.,Twohundreddividedbyfortyequalsfive.,补充2multiplymltpla乘；增加e.g.1、（Ifyou）multiplyfourbyfive,youllgettwenty.四乘以五,答案是二十。2、Letusmultiplytheheight（hatn.高度；高处；顶点）bythewidth（wdn.宽度；广度；宽阔）todeterminethearea.用宽乘以高来确定面积。dividedvadvt.划分；隔开；分割；数除e.g.1、Dividethecakeintoequalparts.把蛋糕分成等份。2、Divide10by2，youllget5.102=5,99=,Pairwork,A:Howmuchistimes/dividedby?B:times/dividedbyequals,426=,1022=,1022=,415=,2807=,Seven_eightequalsfifty-six.,Fifty-four_sixequalsnine.,Twelve_fiveequalssixty.,Eighty-eight_eleven=eight.,46+16=_,Forty-nine_sevenequalsseven.,times,dividedby,times,dividedby,40,dividedby,200_8_1=24,dividedby,minus,d_v_d_dby,i,i,e,t_s,i,m,e,24,=,Youarethesuperman!,Alicesshoesshop,Sunnyshoesshop,Hi,ImMr.White.Tomorrowismydaughtersbirthday.AndIwanttobuyapairofshoesforherasapresent.Butwhichpairischeaper?,Goodafternoon,children.ImGrannyHelen.Iwanttobuysomefoodformydinner.Ihave100Yuan.HowmuchwillIhaveafterbuyingthesefood?,Grannysshoppinglist,Howmuch?,Iwasbornin1990.,Iam2yearsolderthanTina.,Iam6yearsyoungerthanAlice.,Jackistwicemyage.,HowoldisTony?,Tina,Alice,Jack,Tony,Hei,guys.ImWilliam.Ijustmovedintoanewneighborhood.Imadefournewfriendsyesterday.Imconfusedabouttheirage.Andheresourconversation.Canyoutellmehowoldtheyare?,HowmanyshallIbuy?HowmuchwillIpay?,Price:$30/,Iwantanightticket.,Hello,boysandgirls,ImConan,MyfriendsandIreallywanttovisittheExposite.SoIwanttobuysometicketsforthem.HowmuchshouldIpay?Canyouhelpme?Bytheway,Iwanttogothereduringtheday.,Dothesumsandtalkwithoneofyourfriendsabouthowyougettheanswer.1)Sixteenplusnineequals_.2)Forty-seven_nineequalsthirty-eight.3)Fifty-fourdividedbysixequal