小学英语数词讲解与练习题.docx

1、小学英语数词讲解与练习题 数词专练 数词是表示数量多少或顺序先后的词。分为基数词和序数词。 . 基数词一 one, two, three等。1. 表示数量多少的词是基数词，如： 2. 数词的构成 12个各不相同的词表示。one到twelve，1）从112分别由从one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve -teen结尾。1319均以后缀2）从thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen ”时，个位和十位

2、之间需加连字符。-ty结尾。表示“几十几3）从2090的整十数词均以后缀twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety 43 forty-three 32 thirty-two 21 twenty-one hundred构成。9加4）整百数由1500 five hundred 100 one (a) hundred 。如果十位数为零，那-”and连接，十位与个位之间要加连字符“5) 整百数和整十数之间由 and连接。就在百位和个位之间用245 two hundred and forty- five 101 one hun

3、dred and two 以上的数，要用计数逗点，即从个位开始，每隔三位数加一逗点，第一个逗点处）1,0006 例如：million(百万) 是thousand(千)，第二逗点处是 000a(one)thousand1，ur thousand five hundred and ninety-six 4,596fo thousand 000ten10， thousand two hundred and sixty-one 18,261eighteen thousand 000a(one)hundred100， hundred and sixty-six thousand one hundred

4、and thirty-two 766,132seven Exercise: 写出下列数字 20 12 14 19 40 90 600 400 35 78 678 305 二、 序数词 序数词表示排列顺序，如first, second, third等。 构成规则： 。third,其他序数词的构成是在基数词后加th1) 序数词第一、第二和第三为first, second和 例如： six sixth four fourthseven seventh ten tenth )在拼法上有变化。)eigth (第八)、 ninth (第九和twelfth (第十二 2) fifth(第五)、first,

5、second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth 。例如： 3) 二十、三十等基数词变为序数词时,要把y变成ie再加-th twentytwentiethfortyfortiethtwentieth, thirtieth, fortieth, fiftieth, sixtieth, seventieth, eightieth, n

6、inetieth 只把表示几的基数词变成序数词。例,表示几十的数词不变基数词几十几变成序数词时4) 如： -fifthfive forty twenty-one twenty-first forty-构成。例如：第一百5) th第一百、第一千、第一百万、第十亿都是在基数词后直接加 millionth 第十亿 hundredth第一千billionththousandth第一百万 6）.序数词的缩略形式是由阿拉伯数字加序数词的最后两个字母构成。例如： 1st, 2nd, 3rd, 4th, 21st, 32nd, 40ththe 序数词前必须加定冠词7) The first time I cam

7、e to China, I liked it very much. 我第一次来中国，我就非常喜欢这个国家。 The first is always better than the second.第一总是比第二好。 She will choose the third. 她将选择第三。 Exercise: 把下列基数词改成序数词。 two three one eight five nine twentyfourteenthirty-five 三. 数词的应用 1）时刻的表示法 A、表示几点钟用基数词加可以省略的oclock five 或five oclock 读作5:00 、半点的表示法B “ha

8、lf+ past +钟点数”表示表示半点钟时，用“钟点数+ thirty”或two thirty / half past two 2: 30 eighty thirty / half past eighty 8:30 的表示法几点几分”C、“ 表示分钟数”（1）用“钟点数+nine forty 7：10 seven ten 9：40 “）分钟数在（230分钟以内的，用“分钟数+ past +钟点数”表示，意为“几点过几分fifteen past ten / a quarter past ten 7：10 ten past seven 10:15 差几分到（3）分钟数超过30分钟的，用“下一个钟

9、点数”表示，意为（60-分钟数）+ to + ”几点fifteen to three / a quarter to three 2 : 45 10:40 twenty to eleven Exercise: 用英语表示下列时间 8: 30 10: 05 12:10 1:15 5:47 9:23 3:51 11:49 6:00 7:22 2) 编号的表示法 编号既可以用序数词,也可用基数词。 Lesson Ten 第十课 page 50第五十页 有的编号习惯上常用基数词。例如： 321号房间 Room 321(读作three two one) Telephone number four 0 on

10、e three five eight six) Tel.No.4013586(读作 4013586电话号码double two. 可读作如22,遇到相同的两位数可用double, 四、课堂练习 ）根据括号中的数字填写合适的序数词或基数词（写单词）。1. ）（6 （14）years old , he is in Class （2）Grade 、1Bill is of March . 3） （2、My birthday is on the month in a year . 9） （3、September is the one ? 2） （、4Which boy is thinner , the

11、（1）one or the students in our class . ） （55There are 5、 2）单项选择 ( )1There are _ days in a year Athree hundred and sixty five Bthree hundred and sixty-five Cthree hundreds and sixty five Dthree hundreds and sixtyfive ( )2Danny lives in _ Aroom 404 BRoom 404 C404 room D404 Room ( )3Jim is in _ Aclass o

12、ne，grade six Bgrade one，class six CClass One，Grade Six DGrade One, Class Six ( )4The bike cost me _ yuan Afive hundred forty Bfive hundreds fourty Cfive hundred and forty Dfive hundred fourty ( )5My telephone number is _ Aeighty eight two forty four zero nine Beight eight two double four O nine Ceig

13、hty eight two forty-four zero nine Deight eight two four four zero nine ( )6Is there any food for us _? Aten Btenth Cthe tenth Dthe ten ( )7Mary is _ girl A. an 8 year old B8一yearsold Cthe 8 years old Dan 8一yearold ( )8What day is today? _ Tuesday BJune A ne Its fiCIt is hot D _ ( )9Whats the date t

14、oday? Its JuIy 15Its fine DAIts Saturday BIts July C What time do you get up every day? ( )10 Seven oclock timeIts seven oclock B AOn seven CAt seven D 课后作业五 写出下列数字的英文表达。（一）. 20 14 12 . 600 45 90 678 903 115 227 1002 1320 4200 . 63152 (二)选择填空1. Fifty plus . D. fifty is ninety C. thirty is ninety A.

15、fourty is ninety B. forty is ninety students in this school. 2.There are B. four hundreds fifty two A. four hundred fifty-two D. four hundreds and fifty-two C. four hundred and fifty-two and last month in a year. December is 3 D.twelfth B.twelve C.the twelfth A.the twelveth The bike cost me _ yuan4f

16、ive hundreds fourty BAfive hundred forty five hundred fourty D Cfive hundred and forty There are two _people in the meeting room. 5A.hundred B.hundreds C.hundreds of D.hundred of D.Fifteen Fourteen C. B.Thirteen A.Twelve What is five and eight? 6There are _months in a year.December is the _month of

17、the year. 7A.twelve; twelve B.twelve; twelfth C.twelfth; twelve D.twelve; twelveth 8What day is today? _ AJune BTuesday CIt is hot DIts fine 9Whats the date today? _ AIts Saturday BIts July CIts fine DIts JuIy 15 10What time do you get up every day? AIts seven oclock BSeven oclock time CAt seven DOn

18、 seven 11.I bought shoes yesterday. shoes are very beautiful. A. a, The B. a pair of, The C. the, The D. a pair, The pair 12.He was soldier in the Second World War. A. a B. an C. the D. / 13.She can play and . A. the tennis, the guitar B. tennis, guitar C. the tennis, guitar D. tennis, the guitar 14

19、.I can see moon and clouds in the sky. A. the, a B. a, a C. the, / D. the, the 15. “c” is in “cat.” “s” is in “sat.” A. An, An B. An, A C. A, A D. A, An 16. Tiananmen Square is in Beijing. A. /, / B. A, / C. The, / D. /, the 17.Can you tell me nearest bookshop? Go straight and turn right at_third crossing, and you will see it. A. the, a B. the, the C. a, the D. the, /