牛津英语7Bnumbers.ppt

Unit1GrammarCardinalnumbers,Weusecardinalnumbersalmosteveryday.,No.11Bus,No.28ShangwuneihuanRoad,No.21player,Page28,10yuan,Letsreadfromoto9.,Canyoureadthephonenumbers?,Millie55532901_Amy55586390_Daniel55543986_Sandy55520928_Kitty55567395_me55572118_,five,five,five,eight;six,three,nine,o,five,five,five,four;three,nine,eight,six,five,five,five,two;o,nine,two,eight,five,five,five,six;seven,three,nine,five,five,five,five,seven;two,one,one,eight,five,five,five,three;two,nine,o,one,Letsreadfrom10to100.,Canyoureadthenumbers?,102(onehundredandtwo),139(onehundredandthirty-nine),13(thirteen),45(forty-five),33(thirty-three),82(eighty-two),91(ninety-one),14(fourteen),Canyoureadthenumbers?,911715422554218,ninehundredandeleven,sevenhundredandfifteen,fourhundredandtwenty-two,fivehundredandfifty-four,twohundredandeighteen,largenumbers,Howdowesayit?,4,056=_thousandand_23,813=_thousand,_567,110=_thousand,_6,425,200=_million,_thousand,_,fourfifty-six,twenty-threeeighthundredandthirteen,fivehundredandsixty-sevenonehundredandten,sixfourhundredandtwenty-fivetwohundred,Findtherightnumbers.,_1.tenthousand,twohundredandsix_2.onehundredandtwenty-six_3.onehundredthousand,twohundredandsixty_4.twelvethousandandtwenty-six_5.onemillion,twohundredthousandandtwenty-six_6.onethousandandtwenty-six_7.onehundredandtenthousand,twohundredandsixa.1,026b.10,206c.110,206d.126e.100,260f.12,026g.1,200,026,b,d,e,f,g,a,c,Howdowesayit?,Thereare1280studentsinourschool.Thereare230100booksinthelibrary.Thehouseis1509998yuan.,onemillion,fivehundredandninethousand,ninehundredandninety-eight,twohundredandthirtythousand,onehundred,onethousand,twohundredandeighty,Letslearnhowtowritecheques.,fivehundredandninety-eight,twelvethousand,threehundredandtwelve,Homework,WritethenumbersinEnglish.a.123b.458c.2358d.9632e.77414f.52588g.363584h.158779i.1234567j.9998876,1stfirst2ndsecond3rdthird4thfourth5thfifth6thsixth7thseventh8theighth9thninth10thtenth,11theleventh12thtwelfth13ththirteenth14thfourteenth15thfifteenth16thsixteenth17thseventeenth18theighteenth19thnineteenth20thtwentieth,21sttwenty-first22ndtwenty-second23rdtwenty-third24thtwenty-fourth25thtwenty-fifth26thtwenty-sixth27thtwenty-seventh28thtwenty-eighth29thtwenty-ninth30ththirtieth31stthirty-first,Learnthesenumbersandfindouttherules:,基数词变序数词表示顺序的数词叫序数词。基数词变序数词的规则是：（1）大部分数词在词尾加th：如:fourth（第四）thirteenth（第十三）hundredth（第一百）（2）表示整十的基数词，变y为ie，再加eth;如：twentieth第二十eightieth第八十（3）特殊的序数词有:第一first,第二second，第三third，第五fifth,第八eighth,第九ninth，第十二twelfth,(4)要把一个“几十几”，“几百几”的基数词变成序数词，只需把个位数变成序数词。如:32-thirty-second256-twohundredandfifty-sixth(5)在表示编号的东西时，可以用基数词表示，也可用序数词表示如:thefirstlesson=LessonOnethesixthgrade=GradeSix,1st,first,2nd,second,3rd,third,5th,fifth,8th,eighth,12th,twelfth,基变序有规律，结尾字母是th;一、二、三，特殊记，结尾字母是t,d,d；八去t,九去e;f要把ve替。ty将y变成i,th前面有个e；几十几，也好记，只变个位就可以。,9th,ninth,Thefirstmonthoftheyearis,second,third,fourth,fifth,sixth,eleventh,seventh,eighth,ninth,tenth,twelfth,February,March,April,May,June,July,August,September,October,November,December,January.,写出下列日期的英文表达法1.3月12日2.8月8日3.1月5日4.7月20日5.12月1日6.9月9日7.4月3日8.11月2日9.2月14日10.5月30日11.6月23日12.10月21日,March12th,August8th,January5th,July20th,December1st,September9th,April3th,November2nd,February14th,May30th,June23rd,October21st,Readthedates:,January(the)first,March(the)eighth,August(the)second,September(the)tenth,July(the)third,February(the)twelfth,October(the)twentieth,December(the)twenty-fifth,4.序数词常用作名词的定语，但当名词前面已有物主代词等限定词时，则不能再用the。如：Thesecondboylikesplayingbaseball.,序数词的用法：,1.序