小學英語數(shù)詞講解與練習

1、歡迎下載學習必備 數(shù)詞數(shù)詞是表示數(shù)量多少或順序先后的詞。分為基數(shù)詞和序數(shù)詞。（一）基數(shù)詞one, two, three等。1.表示數(shù)量多少的詞是基數(shù)詞，如：2.數(shù)詞的構(gòu)成12個各不相 同的詞表示。one至i twelve, 1）從 1 12分別由從 one, two, three, four, we, six, seven, eight, nine, ten, eleven, twelve-teen 結(jié)尾。一19 均以后綴 2）從 13thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen時，個位和十位之間幾十幾”

2、-ty結(jié)尾。表示“ 3）從2090的整十數(shù)詞均以后綴 需力口連字符。twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety43 forty-three32 thirty -two 21 twenty-onehundred構(gòu)成。9 力口 4）整百數(shù)由 1500 five hundred100 one （a） hundred。如果十位- and連接，十位與個位之間要加連字符“ 5）整百數(shù)和整十數(shù)之間 由 連接。數(shù)為零，那就在百位和個位之間用 and245 two hundred and forty- five 101 one hun

3、dred and twobillion million 十億 6）千 thousand 百萬exercise:寫出下列數(shù)字20121419409078305600400356782、序數(shù)詞等。first, second, third序數(shù)詞表示排列順序,如.歡迎下載學習必備 構(gòu)成規(guī)則：其他序數(shù)詞的構(gòu)成是在基數(shù)third,第二和第三為first, second和1）序數(shù)詞第th 。例如：詞后加four f fourthseven f seventhten f tenth six f sixth）第十二在拼法上有變化。第九）和twelfth （）、eigth （第八）、ninth （2） fifth

4、（第五 first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, twelfth,thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteentho例如：-th 3）二十、三十等基數(shù)詞變?yōu)樾驍?shù)詞時，要把y變成ie再加twentyftwentiethfortyffortiethtwentieth, thirtieth, fortieth, fiftieth, sixtieth, seventieth, eig

5、htieth, ninetieth只把表示幾的基數(shù)詞變成4）基數(shù)詞幾十幾變成序數(shù)詞時，表示幾十的數(shù)詞不變，序數(shù)詞。例如:-fifthforty -five f fortytwenty-one f twenty-first例如：構(gòu)成。第十億都是在基數(shù)詞后直接加 th5）第一百、第一千、第一百萬、第十億一 millionth第一百一 hundredth 第一千一 thousandth第一百萬f billionth6).序數(shù)詞的縮略形式是由阿拉伯數(shù)字加序數(shù)詞的最后兩個字母構(gòu)成。例如:1st, 2nd, 3rd, 4th, 21st, 32nd, 40ththe序數(shù)詞前必須加定冠詞7)the firs

6、t time i came to china, i liked it very much.我第一次來中國，我就非常喜歡這個國家第一總是比第二好the first is always better than the second.她將選擇第三。she will choose the third.exercise:把下列基數(shù)詞改成序數(shù)詞。twothreeonefivenineeightfourteentwentythirty-five3.數(shù)詞的應用)時刻的表示法 1.學習必備歡迎下載a、表示幾點鐘用基數(shù)詞加可以省略的 oclock5:00 讀作 five oclock 或 fiveb、半點的表示法

7、表示半點鐘時，用“鐘點數(shù)+ thirty”或“ half+ past4中點數(shù)”表示2: 30 two thirty / half past two8:30 eighty thirty / half past eightyc、“幾點幾分”的表示法(1)用“鐘點數(shù)十分鐘數(shù)”表示7: 10 seven ten 9: 40 nine forty(2)分鐘數(shù)在30分鐘以內(nèi)的，用“分鐘數(shù)+ past鋤點數(shù)”表示，意為“幾點 過幾分“7: 10 ten past seven 10:15 fifteen past ten / a quarter past ten(3)分鐘數(shù)超過30分鐘的，用“(60-分鐘數(shù))

8、+ to +下一個鐘點數(shù)”表示，意 為“差幾分到幾點”10:40 twenty to eleven 2 : 45 fifteen to three / a quarter to threeexercise:用英語表示下列時間10: 058: 3012:101:155:479:233:5111:496:007:222）編號的表示法也可用基數(shù)詞。，編號既可以用序數(shù)詞學習必備歡迎下載第十課 the tenth lesson lesson ten第五十頁 the fiftieth page page 50有的編號習慣上常用基數(shù)詞。例如：號房間 321room 321（讀作 three two one）

9、tel.no.4013586telephone number four 0 one three five eight six）4013586電話號碼3)年、月、日的表示法英語中表示日期的順序通常為月日年或日月年。1、月、日的表示法“月”用英語中表示月份的名詞，“日”用基數(shù)詞或序數(shù)詞表示都可以7 月 8 日 july 8(july eight) / july 8th ( july the eighth)10 月 1 日 october 1 ( october one) / october 1st ( october the first)2、年的表示法1700seventeen hundred 1

10、983nineteen eighty -three1870eighteen seventy 2008two thousand and eight sixteen hundred and one 160 1sixteen and onee965-nine sixty-five3、年、月、日的表示法1986 年 9 月 1 日 september 1st, 1986 / 1st september, 19862011 年 8 月 8 日 august 8, 2011 / 8th august, 2011 exercise:用英語表示下列日期11月1號2月10號學習必備歡迎下載5月22號9月17號1

11、0月3號12月19號四、課堂練習1)根據(jù)括號中的數(shù)字填寫合適的序數(shù)詞或基數(shù)詞(寫單詞)。1、bill is(14) years old , he is in class(2) grade(6)1 12、my birthday is on the(3) of march.3、september is the(9) month in a year .4、which boy is thinner , the(1) one or the(2) one ?5、there are(55) students in our class .2)單項選擇()1. there are days in a yeara

12、. three hundred and sixty five b. three hundred and sixty日vec. three hundreds and sixty five d. three hundreds and sixty-five ()2. danny lives in.a. room 404 b. room 404 c, 404 room d. 404 room ()3. jim is in.a. class one, grade six b. grade one, class sixc. class one, grade six d . grade one, class

13、 six()4. the bike cost me yuana. five hundred fortyb. five hundreds fourtyc. five hundred and forty d. five hundred fourty()5. my telephone number is la. eighty eight two forty four zero nineb. eight eight two double four o ninec. eighty eight two forty -four zero nined. eight eight two four four ze

14、ro nine()6. is there any food for us?a. tenb. tenth c. the tenth d. the ten( )7. mary is girl.a. an 8 year old b. 8 years oldc. the 8 years old d. an 8 - year old( )8. what day is today? a. june b. tuesdayc. it is hot d. its fine()9. whats the date today? a. its saturday b. its july c. its fine d. i

15、ts july 15 ()10. what time do you get up every day?a. its seven oclock b. seven oclock timec. at sevend. on seven學習必備歡迎下載五課后作業(yè)1. there are days in a yeara. three hundred and sixty five b. three hundred and sixtyfivec. three hundreds and sixty five d three hundreds and sixty-five()2. danny lives in.a

16、. room 404 b. room 404 c, 404 room d. 404 room()3. jim is in.a. class onq grade six b. grade one class sixc. class onq grade six d. grade one class six()4. the bike cost me yuana. five hundred forty b . five hundreds fourtyc. five hundred and forty d. five hundred fourty()5. my telephone number is la. eighty eight two forty four zero nineb. eight eight two double four o ninec. eighty eight two forty-four zero nined. eight eight two four four zero nine()6. is there any food for us?a. ten b. tenth c. the tenth d. the ten()7. mary is girl.a. an 8 year old b. 8 years oldc. the 8 years old d a