1、LOGO1.什么是数词？数词分为基数词和序数词。表示数量的数词叫基数词基数词；表示顺序的数词叫序数词序数词。2.数词的分类数词的分类表示数量或顺序的词叫做数词表示数量或顺序的词叫做数词基数词基数词onetwothreefourfivesixseveneightninetenonetwothreefourfivesixseveneightnineten eleven twelve thirteenfourteen fifteen sixteen seventeen eighteen nineteentwenty thirty forty fifty sixty seventy eighty ni
2、nety hundred twenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nine十几十几:teen几十几十:ty几十几：几十几：基数词记忆口诀：基数词，表数量，一至十二单独记，十三、十四至十九，teen结尾莫忘记，二十、三十至九十，ty结尾整十数，若是遇到几十几，连上个位就可以。挑战1请默写1-12的基数词Lets review tenthirtyfortyseventysixtyOne hundredfiftyninetytwentyeighty12
3、345671234567one-firsttwo-secondthree-thirdfour-fourthfive-fifthsix-sixthseven-seventheight-eighthnine-ninthten-tenth序数词eleven-eleventhtwelve-twelfth one two threefirst(1st)second(2nd)third(3rd)eight eightthninethnineeighthninthfivefifthtwelvetwelfth挑战2请默写1-12的序数词fiftiethtwenty thirty forty fifty twe
4、ntieththirtiethfortiethsixty seventy eighty ninety sixtiethseventietheightiethninetieth几十，几十，y变变ie,再加再加thtwenty-onethirty-twoforty-threefifty-foursixty-fiveseventy-sixeighty-sevenninety-eighttwenty-firstthirty-secondforty-thirdfifty-fourthsixty-fifthseventy-sixtheighty-seventhninety-eighth若是遇到几十几，若是
5、遇到几十几，只只变个位变个位就可以就可以first 1stsecond 2ndthird 3rdfourth 4thfifth 5thsixth 6thseventh 7theighth 8thninth 9thtenth 10theleventh 11thtwelfth 12ththirteenth 13thfourteenth 14thfifteenth 15thsixteenth 16thseventeenth 17theighteenth 18thnineteenth 19thtwentieth 20thtwenty-first (21st)twenty-second(22nd)twe
6、nty-third (23rd)twenty-fourth (24th)twenty-fifth (25th)twenty-sixth (26th)twenty-seventh(27th)twenty-eighth (28th)twenty-ninth (29th)thirtieth (30th)thirty-first (31st)缩写：缩写：1st 2nd 3rd 4th 序数词，很容易，前面用序数词，很容易，前面用the表顺序，表顺序，基变序，有规律，词尾加上基变序，有规律，词尾加上th,一、二、三，特殊记，词尾字母一、二、三，特殊记，词尾字母t,d,d。八加八加h,九减九减e，f来把来
7、把ve替，替，ty须变须变tie。若是遇到几十几，变化个位就可以。若是遇到几十几，变化个位就可以。序数词记忆口诀：序数词记忆口诀：基数词:one,two,three,hundred.序数词：first,second,third,fourth,fifth,ninth,twelfth,thirteenth,nineteenth,twentieth,twenty-first，thirtiethhundredth.请把以下数词中的序数词找出来！请把以下数词中的序数词找出来！forty eighty fifteen twelve five first third eightieth ninth second fifteenth hundredth eleventh twenty-first ninetieth fourth forty-third sixty-seventh P5
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