【优质文档】小学英语数词讲解与练习题.pdf

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1、学习必备欢迎下载 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。 一. 基数词 1. 表示数量多少的词是基数词,如:one, two, three等。 2. 数词的构成 1)从 112 分别由从one 到 twelve ,12 个各不相同的词表示。 one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve 2)从 1319 均以后缀 -teen 结尾。 thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen

2、3)从 2090 的整十数词均以后缀-ty 结尾。表示 “ 几十几 ” 时,个位和十位之间需加连字符。 twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety 21 twenty-one 32 thirty-two 43 forty-three 4)整百数由19 加 hundred 构成。 100 one (a) hundred 500 five hundred 5) 整百数和整十数之间由and 连接,十位与个位之间要加连字符“ -” 。如果十位数为零,那 就在百位和个位之间用and 连接。 101 one hundred an

3、d two 245 two hundred and forty- five 6)1,000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 是 thousand( 千),第二逗点处是million( 百万 ) 例如: 1,000a(one)thousand 4,596 four thousand five hundred and ninety-six 10,000ten thousand 18,261 eighteen thousand two hundred and sixty-one 100,000a(one)hundred thousand 766,132 seve

4、n hundred and sixty-six thousand one hundred and thirty-two Exercise: 写出下列数字 12 14 20 40 90 19 400 600 35 78 305 678 二、序数词 序数词表示排列顺序,如first, second, third等。 构成规则: 学习必备欢迎下载 1) 序数词第一、 第二和第三为first, second和 third, 其他序数词的构成是在基数词后加th。 例如: 2) fifth( 第五 )、 eigth ( 第八 )、 ninth ( 第九 )和 twelfth ( 第十二 )在拼法上有变化。

5、 first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, twelfth, thirteenth, 3) 二十、三十等基数词变为序数词时,要把 y 变成 ie 再加 -th 。例如: twentieth, thirtieth, fortieth, fiftieth, sixtieth, seventieth, eightieth, ninetieth 4) 基数词几十几变成序数词时,表示几十的数词不变,只把表示几的基数词变成序数词。例 如: twenty- one twenty -first fort

6、y- five forty - 5) 第一百、第一千、第一百万、第十亿都是在基数词后直接加th 构成。例如:第一百 hundredth第一千第一百万 millionth第十亿 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: 7) 序数词前必须加定冠词the The first time I came to China, I liked it very much. 我第一次来中国,我就非常喜欢这个国家。 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。 one two three fiv

7、e nine eight fourteen twenty thirty-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 5:00 读作five oclock 或 five 学习必备欢迎下载 B、半点的表示法 表示半点钟时,用“ 钟点数 + thirty”或“half+ past +钟点数 ” 表示 2: 30 two thirty / half past two 8:30 eighty thirty / half past eighty C、“ 几点几分 ” 的表示法 (1)用 “ 钟点数 +分钟数 ” 表示 7:10 seven ten 9:40

8、 nine forty (2)分钟数在30 分钟以内的,用“ 分钟数 + past + 钟点数 ” 表示,意为 “ 几点过几分 “ 7:10 ten past seven 10:15 fifteen past ten / a quarter past ten (3)分钟数超过30 分钟的,用 “ (60- 分钟数) + to + 下一个钟点数 ” 表示,意为 “ 差几分到 几点 ” 10:40 twenty to eleven 2 : 45 fifteen to three / a quarter to three Exercise: 用英语表示下列时间 10: 05 8: 30 12:10

9、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: 学习必备欢迎下载 Room 321( 读作 three two one) 321 号房间 Tel.No.4013586(读作 Telephone number four 0 one three five eight six) 电话号码4013586 遇到相同的两位数可用double,如 22,可读作 double two. 四、课堂练习 1)根据括号中的数字填写合适的序数词或基数

10、词(写单词)。 1、Bill is (14)years old , he is in Class (2)Grade (6). 2、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)单项选择 ( )1There are _ days in a year Athree hundred and sixty fi

11、ve 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 one ,grade six Bgrade one ,class six CClass One ,Grade Six DGrade One, Class Six ( )4The bike cost me _ yuan Afive hundred

12、 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 Ceighty eight two forty-four zero nine Deight eight two four four zero nine ( )6Is there any food for us _? Aten Btenth Ct

13、he tenth Dthe ten ( )7Mary is _ girl A. an 8 year old B8 一 years old Cthe 8 years old Dan 8 一 year old ( )8What day is today? _ AJune BTuesday 学习必备欢迎下载 CIt is hot DIt s fine ( )9Whats the date today? _ AIt s SaturdayB It s July CIt s fineDIt s JuIy 15 ( )10What time do you get up every day? AIt s se

14、ven oclockBSeven o clock time CAt seven D On seven 五 课后作业 (一) . 写出下列数字的英文表达。 12 14 20 45 90 . 600 678 903 115 227 1002 1320 4200 63152 . (二)选择填空 1. Fifty plus . A. fourty is ninety B. forty is ninety C. thirty is ninety D. fifty is ninety 2.There are students in this school. A. four hundred fifty-tw

15、o B. four hundreds fifty two C. four hundred and fifty-two D. four hundreds and fifty-two 3December is and last month in a year. A.the twelveth B.twelve C.the twelfth D.twelfth 4The bike cost me _ yuan Afive hundred forty Bfive hundreds fourty Cfive hundred and forty D five hundred fourty 5There are

16、 two _people in the meeting room. A.hundred B.hundreds C.hundreds of D.hundred of 6What is five and eight? A.Twelve B.Thirteen C. Fourteen D.Fifteen 学习必备欢迎下载 7There are _months in a year.December is the _month of the year. A.twelve; twelve B.twelve; twelfth C.twelfth; twelve D.twelve; twelveth 8What

17、 day is today? _ AJune B Tuesday CIt is hot DIt s fine 9Whats the date today? _ AIt s Saturday BIt s JulyCIt s fine D It s JuIy 15 10What time do you get up every day? AIt s seven oclockBSeven o clock timeCAt seven DOn seven 11.I bought shoes yesterday. shoes are very beautiful. A. a, The B. a pair

18、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.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. Tian anmen 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, /

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