Unit1DreamhomesGrammarWeusecardinalnumbersalmost(几乎)everyday.Weusethemtotalkaboutthenumbers(数量)ofpeopleorthings.Cardinalnumbers(基数词)No.1busNo.23player10yuanLet’scountfromoto10.012345678910zeroonetwothreefourfivesixseveneightninetenCanyoureadthephonenumbers?three,six,five,eight;six,three,nine,oeight,five,two,six;seven,three,nine,fivefive,five,five,three;two,nine,o,oneMillie55532901__________________________________Amy36586390__________________________________Kitty85267395__________________________________Let’scountfrom10to100.131415111216171819eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen2030405060708090212223100twentythirtyfortyfiftysixtyseventyeightyninetytwenty-onetwenty-twotwenty-threeonehundredCanyoureadthenumbers?1024221345338291thirteenforty-fivethirty-threeeighty-twoninety-oneonehundredandtwofourhundredandtwenty-two180onehundredandeightyTip:十几teen几十ty几十—几几十几19、90不去e4和40不一样5和15、50也不同百后加andlargenumbers100onehundred10,000tenthousand100,000onehundredthousand1,000,000onemillion1,000onethousandX10=X10=X10=1,000onethousand1,81591,000260,000onethousandeighthundredandfifteenninety-onethousandtwohundredandsixtythousand701,012sevenhundredandonethousandandtwelve↓ABC,DEFAhundredandBCthousandDhundredandEF13,000,0008,000,000eightmillionthirteenmillion1,000,000onemillion960,000,000ninehundredandsixtymillionABC,DEF,GHI↓↓millionthousand6,425,200120,300,573591,006,000AhundredandBCmillionDhundredandEFthousandGhundredandHIsixmillionfourhundredandtwenty-fivethousandtwohundredonehundredandtwentymillionthreehundredthousandfivehundredandseventy-threefivehundredandninety-onemillionandsixthousand1.180onehundredandeighty2.1,815onethousand,eighthundredandfifteen3.91,000ninety-onethousand4.260,000twohundredandsixtythousand5.8,000,000eightmillion6.13,000,000thirteenmillion4,0567,35012,320800,555fourthousandandfifty-sixseventhousandthreehundredandfiftytwelvethousandthreehundredandtwentyeighthundredthousandfivehundredandfifty-five20,450,209twentymillionfourhundredandfiftythousandtwohundredandnine基数词的用法1、表示数量的多少。如：Thereare25desksintheclassroom.2、表示年份和年龄。如：Hewasbornin1978.--HowoldisSimon?--Heis13yearsold.3、表示时刻。如：--Whattimeisit?--Itistwototwo.4、表示顺序。基数词表示顺序时，由“单数名词+基数词”构成，此时名词和基数词的第一个字母常都大写。如：ClassThree三班LessonTen第十课UnitOne第一单元注意：“单数名词+基数词”可以转换成“the+序数词+单数名词”，此时的名词和序数词的第一个字母都不大写。如：LessonTen=thetenthlesson5、确数和概数的表达。英语中表示确数的方法为“基数词+计数单位的单数（hundred,thousand,million,billion）+名词复数”；表示概数的方法为“计数单位的复数（hundreds,thousands,millions,billions）+of+名词复数”。如：Therearesixhundredworkersinthisfactory.Thousandsofvisitorsarevisitingthegarden.6、“整十”的基数词的复数形式可用于表示几十年代或在某人几十多岁时。如：inthe1960sHeinventedmanythingsinhistwenties.成千上万7、“another+基数词+名词复数”或“基数词+more+名词”表示在已有基础上再增加一定的数量。如：Heateanothertwocakes.=Heatetwomorecakes.他又吃了两块蛋糕。Weneedthreemorehourstofinishthework.=Weneedanotherthreehourstofinishthework.我们还需要三个小时来完成这项工作。Wecanuseordinalnumberstoorderthingsandevents.1.Mr.Wuhastwochildren.Thefirstchildisaboy.Thesecondisagirl.2.Therearesevendaysinawe...
