基數(shù)詞與序數(shù)詞講解

序數(shù)詞：表示事物的先后順序，常與the連用。序數(shù)詞前有形物代則不加the

基數(shù)詞：表示數(shù)目的多少?；鶖?shù)詞和序數(shù)詞the

firstphoto

mysecondclass

4th5th6th7th8th9th

10th11th12th

13th14th15th16th17th18th19th20th

30th

onetwothreefourfive

sixseveneightnine

teneleventwelve

基數(shù)詞thirteenfourteenfifteensixteenseventeeneighteennineteentwentytwenty-onetwenty-twotwenty-three

thirty基數(shù)詞first

second

thirdfourth

fifth

sixthseventh

eighth

ninth

tentheleventh

twelfth

序數(shù)詞thirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth

twenty-firsttwenty-secondtwenty-third

thirtieth

序數(shù)詞基變序，有規(guī)律，詞尾加上th.123特殊記，詞尾字母t，d，d。

8去t，9去e，f

來把ve替。整十變y為ie，后跟th

莫遲疑。若是碰到幾十幾，只變個位就可以。1st2nd3rd21st22nd23rd基數(shù)詞變序數(shù)詞順口溜基變序，有規(guī)律，詞尾加上th。一二三特殊記，詞尾字母t，d，d

one--_____，two---_____，three--____2.八去t:

eight---_____九去e:nine--____3.f來把ve替,five_____;twelve

______

整十變y為ie,最后加上th。

twenty

_________，thirty

__________

5.若是碰到第幾十幾,只變個位就可以。

twenty–one

_____________;twenty---two_______________.

eighthninthfifthtwelfthtwentieththirtiethtwenty---firsttwenty---secondfirstsecondthird1.13_________________________2.17________________________________3.20__________________________4.31_________________________________5.84_________________________________

6.55__________________________________7.79___________________________8.203_____________________thirteenseventeentwentythirty-oneeighty-fourfifty-fiveseventy-nine寫出下列數(shù)字的基數(shù)詞、序數(shù)詞。thirteenthseventeenthtwentieththirty-firsteighty-fourthfifty-fifthseventy-ninthtwohundredandthree一、默寫下列數(shù)字的基數(shù)詞和序數(shù)詞。1-1011-2021-2920-90（整十）當(dāng)堂檢測1.3____________________________2.12____________________________3.31____________________________4.59____________________________5.43_____________________________6.80_____________________________7.97____________________________8.213____________________________9.452________________________________________寫出下列數(shù)字的基數(shù)詞、序數(shù)詞和縮寫形式。onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one…twenty-ninethirty-one…thirty-nineforty-one…forty-ninefifty-one…fifty-ninesixty-one…sixty-nineseventy-one…seventy-nineeighty-one…eighty-nineninety-one…ninety-ninehundred基數(shù)詞：表示數(shù)目的多少?？匆豢?分鐘說出下列數(shù)字359066712083200103987議一議3分鐘：序數(shù)詞的規(guī)律1st

first2nd

second3rd

third4thfourth5th

6th7th8theighth9thninth10th

fifthsixthseventhtenth11theleventh

12thtwelfth13th

14th

15th

16th17th18th

19th

20thtwentieththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenth21sttwenty-first

22ndtwenty-second23rdtwenty-third24th

25th

26th27th28th

29th

30ththirtieth31stthirty-firsttwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninth

1stfirst

2ndsecond3rdthird4thfourth5th

fifth

6thsixth7thseventh8th

eighth9th

ninth10thtenth11theleventh12th

twelfth13ththirteenth14thfourteenth15thfifteenth16thsixteenth17thseventeenth18theighteenth19thnineteenth20thtwentieth21sttwenty-first22ndtwenty-second23rdtwenty-third24thtwenty-fourth25thtwenty-fifth26thtwenty-sixth27thtwenty-seventh28thtwenty-eighth29thtwenty-ninth30ththirtieth31stthirty-first2aListenandrepeat.2a2bListenandcirclethenumbersyouhearin2a.2cListenagain.Matchthenames,monthsanddates.Name Month DateAlice July 4thFrank August 22ndEric January 5thJane September 17thsixseveneightninetensixth

seventh

eighth

ninth

tenth

6th7th8th9th

10th基數(shù)詞：序數(shù)詞：eleventwelvethirteenfourteenfifteeneleventhtwelfth

thirteenth

fourteenth

fifteenth

11th12th13th14th15th基數(shù)詞：序數(shù)詞：sixteenseventeeneighteennineteentwentysixteenth

seventeenth

eighteenth

nineteenth

twentieth16th17th18th19th20th基數(shù)詞:序數(shù)詞:twenty-onetwenty-twotwenty-threethirtyfortytwenty-first

twenty-second

twenty-third

thirtieth

fortieth

21st22nd23rd

30th40th基數(shù)詞:

序數(shù)詞:fiftysixtyseventyeighty