數詞1/181.什么是數詞？數詞分為基數詞和序數詞。表示數量數詞叫基數詞；表示次序數詞叫序數詞。2.數詞分類表示數量或次序詞叫做數詞2/18基數詞onetwothreefourfivesixseveneightnineten3/18onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteen

fifteen

sixteen

seventeen

eighteen

nineteentwenty

thirty

forty

fifty

sixty

seventy

eighty

ninety

hundred

twenty-onetwenty-

twotwenty-

threetwenty-

fourtwenty-

fivetwenty-

sixtwenty-

seventwenty-

eighttwenty-

nine十幾:teen幾十:ty幾十幾：4/18基數詞記憶口訣：基數詞，表數量，一至十二單獨記，十三、十四至十九，teen結尾莫忘記，二十、三十至九十，ty結尾整十數，若是碰到幾十幾，連上個位就能夠。5/18挑戰1請默寫1--12基數詞6/18Let’sreview102030405060708090100tenthirtyfortyseventysixtyOnehundredfiftyninetytwentyeighty7/18請快速說出下列數字：132030154070188090508/181234567918one---firsttwo---secondthree---thirdfour---fourthfive---fifthsix---sixthseven---seventheight---eighthnine---ninthten----tenth序數詞eleven---eleventhtwelve----twelfthonetwothreefirst(1st)second(2nd)third(3rd)eighteightthninethnineeighthninthfivefifthtwelvetwelfth11/18挑戰2請默寫1--12序數詞12/18fiftiethtwenty

thirty

forty

fifty

twentieththirtiethfortiethsixty

seventy

eighty

ninety

sixtiethseventietheightiethninetieth幾十，y變ie,再加th13/18twenty-onethirty-twoforty-threefifty-foursixty-fiveseventy-sixeighty-sevenninety-eighttwenty-firstthirty-secondforty-thirdfifty-fourthsixty-fifthseventy-sixtheighty-seventhninety-eighth若是碰到幾十幾，只變個位就能夠14/18first1stsecond2ndthird3rdfourth4thfifth5thsixth6thseventh7theighth8thninth9thtenth10theleventh11thtwelfth12ththirteenth13thfourteenth14thfifteenth15thsixteenth16thseventeenth17theighteenth18thnineteenth19thtwentieth20thtwenty-first(21st)twenty-second(22nd)twenty-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)縮寫：1st2nd3rd4th

15/18序數詞，很輕易，前面用the表次序，基變序，有規律，詞尾加上th,一、二、三，特殊記，詞尾字母t,d,d。八加h,九減e，f來把ve替，ty須變tie。若是碰到幾十幾，改變個位就能夠。序數詞記憶口訣：16/18基數詞:one,two,three,…hundred.序數詞：first,second,third,fourth,fifth,…ninth,…twelfth,thirteenth,…nineteenth,twentieth,twenty-first，

…thirtieth…hundredth.17/18請把以下數詞中序數詞找出來！fortyeightyfifteen

twelvefivefirstthirdeightiethninthsecond