1、基数词与序数词one two three four five six seven eight nine ten eleven twelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one twenty-ninethirty-one thirty-nineforty-one forty-ninefifty-one fifty-ninesixty-one sixty-nineseventy-one seventy-nineei
2、ghty-one eighty-nine ninety-one ninety-ninehundred基数词基数词：表示数目的多少。表示数目的多少。看一看 3分钟说出下列数字 359066712083200103987one two three four fivefirst second third fourthfifth 1st 2nd 3rd 4th 5th序数词：表示事物的先后顺序，常与序数词：表示事物的先后顺序，常与the连用。连用。 （说一说（说一说 5分钟）分钟）six seven eight nine tensixth seventh eighth ninth tenth 6th
3、7th 8th 9th 10th 基数词：基数词：序数词序数词：eleven twelve thirteen fourteen fifteeneleventhtwelfth thirteenth fourteenth fifteenth 11th 12th13th14th15th基数词：基数词：序数词：序数词：sixteen seventeen eighteen nineteen twentysixteenth seventeenth eighteenth nineteenth twentieth16th17th18th19th20th基数词基数词:序数词序数词:twenty-one twen
4、ty-two twenty-three thirty fortytwenty-first twenty-second twenty-third thirtieth fortieth 21st 22nd 23rd 30th 40th基数词基数词: 序数词序数词:fifty sixty seventy eighty ninety hundredfiftieth sixtieth seventieth eightieth ninetieth hundredth 50th 60th 70th 80th 90th 100th基数词基数词 序数词序数词 one hundred and one one hu
5、ndred and first 101st议一议议一议3分钟：序数词的规律分钟：序数词的规律1st first2nd second3rd third4th fourth5th 6th7th8th eighth9th ninth10th fifthsixthseventhtenth11th eleventh 12th twelfth13th 14th 15th 16th17th18th 19th 20th twentieththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenth21st twenty-first
6、22nd twenty-second23rd twenty-third24th 25th 26th27th28th 29th 30th thirtieth31st thirty-firsttwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninth 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 30th one two three four five six seven eight nine
7、ten eleven twelve 基数词基数词thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twenty-one twenty-two twenty-three thirty基数词基数词first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth 序数词序数词thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth ninetee
8、nth twentieth twenty-first twenty-second twenty-third thirtieth 序数词序数词基基变变序序，有规律，词尾加上，有规律，词尾加上th. 1 2 3 特殊记，特殊记，词尾字母词尾字母t，d，d。 8 少少 t， 9 去去 e， f 来把来把 ve 替。替。 整十变整十变y为为ie，后跟后跟 th 莫迟疑。莫迟疑。 若是碰到若是碰到几十几几十几，只变，只变个位个位就可以。就可以。1st2nd3rd21st22nd23rd基变序，有规律，词尾加上基变序，有规律，词尾加上th。1. 一二三一二三 特殊记，特殊记，词尾字母词尾字母t，d，d o
9、ne- _，two- _，three- _2. 八少八少t: eight- _ 九去九去e: nine-_3. f 来把来把ve替替, five_;twelve _ 4. 整十变整十变y为为ie, 最后加上最后加上th。 twenty _，thirty _ 5. 若是碰到第若是碰到第几十几几十几, 只变个位就可以。只变个位就可以。 twenty one _; twenty- two _. eighthninthfifthtwelfthtwentieththirtiethtwenty-firsttwenty-secondfirstsecondthird 1st first 2nd second
10、3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth11th eleventh 12th twelfth 13ththirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth 20th twentieth21st twenty-first 22nd twenty-second 23rd twenty-third 24th twent
11、y-fourth 25th twenty-fifth 26th twenty-sixth 27th twenty-seventh 28th twenty-eighth 29th twenty-ninth 30th thirtieth 31st thirty-first 2a2aListen and repeat.2 2a a2b2bListen and circle the numbers you hear in 2a.2c2cListen again. Match the names, months and dates.NameMonth DateAliceJuly 4thFrankAugu
12、st22ndEricJanuary5thJaneSeptember 17th一、默写下列数字的基数词和序数词。一、默写下列数字的基数词和序数词。1-10 11-2021-2920-90（整十）（整十） 当堂检测当堂检测1. 13 _ _ 2. 17_ _ _3. 20_ _ 4. 31_ _5. 84_ _ 6. 55_ _7. 79_ _ 8. 103_ thirteenseventeentwentythirty-oneeighty-fourfifty-fiveseventy-nine快速写出下列数字的基数词、序数词。快速写出下列数字的基数词、序数词。 thirteenthseventeenthtwentieththirty-firsteighty-fourthfifty-fifthseventy-ninthone hundred and three1. 3 _ _ _ 2. 12_ _ _3. 31_ _ _ 4. 59_ _ _5. 43_ _ _ 6. 80_ _ _7. 97_ _ _ 8. 213_ _ _ 9. 452_ _ _ 写出下列数字的基数词、序数词和缩写形式。写出下列数字的基数词、序数词和缩写形式。
