基數(shù)詞與序數(shù)詞

1、基數(shù)詞與序數(shù)詞,one two three four five six seven eight nine ten eleven twelve,thirteen fourteen fifteen sixteen seventeen eighteen nineteen,twenty thirty forty fifty sixty seventy eighty ninety,twenty-one twenty-nine thirty-one thirty-nine forty-one forty-nine fifty-one fifty-nine sixty-one sixty-nine seve

2、nty-one seventy-nine eighty-one eighty-nine ninety-one ninety-nine,hundred,基數(shù)詞：表示數(shù)目的多少。,看一看 3分鐘,說出下列數(shù)字,35,90,66,71,20,83,200,103,987,one two three four five,first second third fourth fifth,1st 2nd 3rd 4th 5th,序數(shù)詞：表示事物的先后順序，常與the連用。,（說一說 5分鐘）,six seven eight nine ten,sixth seventh eighth ninth tenth,

3、6th 7th 8th 9th 10th,基數(shù)詞：,序數(shù)詞：,eleven twelve thirteen fourteen fifteen,eleventh twelfth thirteenth fourteenth fifteenth,11th 12th 13th 14th 15th,基數(shù)詞：,序數(shù)詞：,sixteen seventeen eighteen nineteen twenty,sixteenth seventeenth eighteenth nineteenth twentieth,16th17th18th19th20th,基數(shù)詞:,序數(shù)詞:,twenty-one twenty

4、-two twenty-three thirty forty,twenty-first twenty-second twenty-third thirtieth fortieth,21st 22nd 23rd 30th 40th,基數(shù)詞: 序數(shù)詞:,fifty sixty seventy eighty ninety hundred,fiftieth sixtieth seventieth eightieth ninetieth hundredth,50th 60th 70th 80th 90th 100th,基數(shù)詞 序數(shù)詞,one hundred and one,one hundred and

5、 first,101st,議一議3分鐘：序數(shù)詞的規(guī)律,1st first 2nd second 3rd third 4th fourth 5th 6th 7th 8th eighth 9th ninth 10th,fifth,sixth,seventh,tenth,11th eleventh 12th twelfth 13th 14th 15th 16th 17th 18th 19th 20th twentieth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,21st twenty-fi

6、rst 22nd twenty-second 23rd twenty-third 24th 25th 26th 27th 28th 29th 30th thirtieth 31st thirty-first,twenty-fourth,twenty-fifth,twenty-sixth,twenty-seventh,twenty-eighth,twenty-ninth,基變序，有規(guī)律，詞尾加上th. 1 2 3 特殊記，詞尾字母t，d，d。 8 少 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。,1st,2nd,3rd,21st

7、,22nd,23rd,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. 八少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 _.,eighth,ninth,fifth,twelfth,twentieth,thirtieth,twenty-first,twenty-second,first

8、,second,third,1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth,11th eleventh 12th twelfth 13ththirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth 20th twentieth,21st twenty-first 22nd twent

9、y-second 23rd twenty-third 24th twenty-fourth 25th twenty-fifth 26th twenty-sixth 27th twenty-seventh 28th twenty-eighth 29th twenty-ninth 30th thirtieth 31st thirty-first,2a,Listen and repeat.,2a,2b,Listen and circle the numbers you hear in 2a.,2c,Listen again. Match the names, months and dates.,一、默寫下列數(shù)字的基數(shù)詞和序數(shù)詞。 1-10 11-20 21-29 20-90（整十）,當堂檢測,1. 13 _ _ 2. 17_ _ _ 3. 20_ _ 4. 31_ _ 5. 84_ _ 6. 55_ _ 7. 79_ _ 8. 103_,thirteen,seventeen,twenty,thirty-one,eighty-four,fifty-five,seventy-nine,快速寫出下列數(shù)字的基數(shù)詞、序數(shù)詞。,thirteenth,seventeenth,twentieth,thirty-first,eighty-fourth,fifty-fifth,s