五年级下册英语 基数词和序数词ppt课件

.,1,基数词,.,2,onetwothreefourfivesixseveneightnineteneleventwelve,thirteenfourteenfifteensixteenseventeeneighteennineteen,twentythirtyfortyfiftysixtyseventyeightyninety,twenty-onetwenty-ninethirty-onethirty-nineforty-oneforty-ninefifty-onefifty-ninesixty-onesixty-nineseventy-oneseventy-nineeighty-oneeighty-nineninety-oneninety-nine,hundred,Learnthesenumbersandfindouttherules.,掌握基数词的拼写。,.,3,1.112:(记住每个单词),2.1319:-teen(thir-,fif-,eigh-),3.2090:-ty(twen-,thir-,for-,fif-,eigh-),4.2199:,十位,_,个位,5.100900:,_hundred,Summary,.,4,汉翻英11个英式足球14个西红柿23件T恤衫28只红短袜35顶黑帽子,elevensoccerballsfourteentomatoestwenty-threeT-shirtstwenty-eightredsocksthirty-fiveblackhats,.,5,33个乒乓球拍45支绿色的铅笔28件棕色的毛衣57个学生35个蓝色的手表,thirty-threeping-pongbatsforty-fivegreenpencilsforty-eightbrownsweatersfifty-sevenstudentsfifty-fivebluewatches,.,6,序数词,.,7,1stfirst2ndsecond3rdthird4thfourth5thfifth6thsixth7thseventh8theighth9thninth10thtenth,11theleventh12thtwelfth13ththirteenth14thfourteenth15thfifteenth16thsixteenth17thseventeenth18theighteenth,Learnthesenumbersfromfirsttothirty-first.,.,8,19thnineteenth20thtwentiethtwenti21sttwenty-first22ndtwenty-second23rdtwenty-third24thtwenty-fourth25thtwenty-fifth26thtwenty-sixth30ththirtieth:t31stthirty-first,.,9,onetwothreefourfivesixseveneightnineten,firstsecondthirdfourthfifthsixthseventheighthninthtenth,基数词,序数词,.,10,eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen,eleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenth,基数词,序数词,.,11,twentytwenty-onetwenty-twotwenty-threethirtyfortyfiftysixtyseventyeightyninetyhundred,twentiethtwenty-firsttwenty-secondtwenty-thirdthirtiethfortiethfiftiethsixtiethseventietheightiethninetiethhundredth,基数词序数词,.,12,一.第1,第2,第3：,first,second,third,二.1.第4-第10：,总结：序数词的变化方法,fourth,(five)fifth,sixth,seventh,(eight)eighth,(nine)ninth,tenth,2.第11-第19：,eleventh,(twelve)twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,基数词+th,基数词+th,.,13,三.第20-第90：y,四.第21-第99:,十位基数词,个位序数词,口诀：基变序,有规律,词尾加上th.123特殊记,词尾字母t，d，d。8少t,9去e,f来把ve替。整十变y为ie,后跟th莫迟疑。若想表示几十几，只变个位就可以。,twentytwentieththirtythirtieth,twentyonetwentyfirst,序数词的变化方法,y变成ie，再加th,.,14,JanuaryJan.一月,FebruaryFeb.二月,MarchMar.三月,AprilApr.四月,MayMay五月,JuneJun.六月,七月JulyJul.,九月SeptemberSep.,十月OctoberOct.,八月AugustAug.,十一月NovemberNov.,十二月DecemberDec.,1aListenandrepeat.,简写形式,注意：12个月份名称首字母都要大写。,.,15,练习：快速说出下列日期的英文表达法:1.3月12日2.8月1日3.1月5日4.7月12日5.12月1日6.9月5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