1、人教版英语五年级下册 基数词变序数词XXXXXX小学 XXXX基数词变序数词人教版英语五年级下册学习新知基数词变序数词人教版英语五年级下册学习新知口诀(1)基变序,有规律,词尾加上-th。(2)一,二,三,单独记,词尾t,d,d(3)八去t,九去e,再加-th。(4)five,twelve两兄弟,ve要用f替。(5)整十基变序,ty变成tie,再加-th。(6)要是遇到几十几,十位基数个位序。基数词变序数词人教版英语五年级下册学习新知nineteenfour基数词基数词序数词序数词fourth44thsevenseventh77theleveneleventhfifteenfifteenth1
2、111th1515thnineteenth(1)基变序,有规律,词尾加上-th。19th基数词变序数词人教版英语五年级下册学习新知(2)一,二,三,单独记,词尾t,d,donetwothreefirstsecondthird1st2nd3rd123基数词变序数词人教版英语五年级下册学习新知(3)八去t,九去e,再加-th。8 eighteighth 8th9 nineninth 9th 基数词变序数词人教版英语五年级下册学习新知(4)five,twelve两兄弟,ve要用f替。5 five fif12 twelvetwelf12thth5thth基数词变序数词人教版英语五年级下册学习新知(5)
3、整十基变序,ty变成tie,再加-th。基数词序数词20 twenty30 thirty 40 forty twentieth 20ththirtieth 30thfortieth 40th 80 eighty?.90 ninety基数词变序数词人教版英语五年级下册学习新知(6)要是遇到几十几,十位基数个位序。twenty-fourtwentythirty-onethirtytwenty-thirdfourth-first?不变变不变变基数词变序数词人教版英语五年级下册课堂小结 基变序,有规律,词尾加上基变序,有规律,词尾加上-thth,一一,二二,三三,单独记,词尾,单独记,词尾t t,d
4、d,d d,八八去去t t,九九去去e e,再加,再加-thth,fivefive,twelvetwelve两兄弟,两兄弟,veve要用要用f f替,替,整十整十基变序,基变序,tyty变成变成tietie,再加,再加-thth,要是遇到几十几,要是遇到几十几,十位基数个位序十位基数个位序。基数词变序数词人教版英语五年级下册巩固练习基数词变序数词的相关练习一、根据所学口诀,写出下列序数词的完整形式。8th ()9th()11th ()12th()15th _ 20th_ 31st_ 42nd_ 53rd _ 二、用所给数字的正确形式填空,不可直接写阿拉伯数字。1.There are()(21)
5、students in the classroom.2.My brother lives on the()(38)floor.3.Today is Toms()(12)birthday.fifteenthtwentieththirty-firstforty-second fifty-thirdeighthninth eleventhtwelfthtwenty-onethirty-eighthtwelfth基数词变序数词人教版英语五年级下册课堂总结 基变序,有规律,词尾加上基变序,有规律,词尾加上-thth,一一,二二,三三,单独记,词尾,单独记,词尾t t,d d,d d,八八去去t t,九九去去e e,再加,再加-thth,fivefive,twelvetwelve两兄弟,两兄弟,veve要用要用f f替,替,整十整十基变序,基变序,tyty变成变成tietie,再加,再加-thth,要是遇到几十几,要是遇到几十几,十位基数个位序十位基数个位序。基数词变序数词人教版英语五年级下册 XXXXXXX小学 XXXX