英语数词总复习课件.pptx

1、数词复习数词复习攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！中职中职3+X复习教材复习教材英语总复习英语总复习April 9,2018攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示表示数目多少数目多少的数词叫的数词叫基数词基数词；表示；表示顺序顺序的数词叫的数词叫序数词序数词。数数 词词基数词

2、基数词序数词序数词数量数量顺序顺序什么叫数词什么叫数词攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！基数词的构成基数词的构成1）112,独立成词。独立成词。one two three four five six seven eight nine ten eleven twelve2）1319,由由39+teen构成。构成。14fourteen 16sixteen 17seventeen 19nineteen 特殊拼写特殊拼写:13 thirteen 15fifteen 18eighteen 3）2090

3、,以以-ty结尾。结尾。20twenty 30thirty 40forty 50fifty 60sixty 70seventy 80eighty 90ninety 攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！基数词的构成基数词的构成4）2199，两位数，十位与个位之间有两位数，十位与个位之间有“”。21 twentyone 55 fiftyfive 99 ninetynine5）101999，三位数，百位与十位，三位数，百位与十位/个位之间加个位之间加and。101 one hundred and o

4、ne 840 eight hundred and forty 693 six hundred and ninety-three thousandhundredmillionbillionand6)1，000以上数目以上数目,从右向左每三位用从右向左每三位用“，”分开分开,分别读为分别读为thousand,million,billion。基数词的构成基数词的构成百百千千百万百万十亿十亿8,600,531,7 29读读作：作：eight billion six hundred million five hundred and thirtyone thousand seven hundred and

5、 twentynine攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！序数词的构成序数词的构成1)13,first,second,third。2)419,相应基数词相应基数词+th,特殊拼写特殊拼写:fifth,eighth,ninth,twelfth。3)2090,ty变变成成tie+th,如如twentieth。4)2199,只把只把个位个位的基数词的基数词变成序数词变成序数词 如如twenty-first。5)序数词缩序数词缩写写数数字最后两字母字最后两字母 如如1st,2nd,3rd,4th攀枝花

6、市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！基变序基变序,有规律有规律,一、二、三，特殊记一、二、三，特殊记，从从4起起加加th，八去八去“t”，九去，九去“e”，“ve”要用要用“f”替替(five,twelve)，“ty”变成变成“tie”，词尾加上，词尾加上“th”，(twenty,thirty,ninety)若是遇到几十几，只变个位就可以。若是遇到几十几，只变个位就可以。序数缩写记清楚序数缩写记清楚,数字后跟两字母数字后跟两字母(6th)。(序数词构成规律)记记 住住 噢噢1 15 5分子分子 基数

7、词基数词分母分母 序数词序数词one fifthone fifth2 27 7分子分子 1 1分母分母 +s+stwo seventhtwo sevenths s3 34 4分子分子 threethree分母分母 fourthsfourthsThree fourthsThree fourths1 12 2a halfa half1 13 3threethree andand one third one third3 3基数词基数词 +and+and+分数分数分数、分数、百分数百分数攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习

8、我学习 我快乐！我快乐！80%80%基数词基数词 +percent percenteighty percenteighty percenthalf/(百百)分数分数+of+可数名词复数可数名词复数 谓语动词用复数谓语动词用复数half/(百百)分数分数+of+不可数名词不可数名词谓语动词用单数谓语动词用单数3.783.78three three pointpoint seven eight seven eightdiscount用于表示用于表示“打折打折”。如：。如：打六折打六折 four discount攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocatio

9、nal School我学习我学习 我快乐！我快乐！6+511 Six plus five is eleven 或 Six and five is eleven.11-65 Eleven minus six is five.或 Six from eleven is five.4520 Four multiplied by five is twenty.或 Four times five is twenty.2045 Twenty divided by four is five.或 Four into twenty goes five.3 Three squared is nine.2 Two c

10、ubed is eight.23加加减乘除式的表达方法减乘除式的表达方法攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！编号在编号在前前，名词在后，用，名词在后，用序序数词，前面有数词，前面有the编号在编号在后后，名词在前，用，名词在前，用基基数词，注意首字母数词，注意首字母大写大写房间号码和电话号码要一个一个分别读房间号码和电话号码要一个一个分别读The First LessonThe First Lesson（在句子中不大写）（在句子中不大写）Lesson Lesson One One the th

11、irty-second pagethe thirty-second pagePage 32/Page Thirty-twoPage 32/Page Thirty-twoRoom 305Room 305Bus No.12=the No.12 bus第一课第一课第第32页页第第305房间房间第第12路公共汽车路公共汽车编号表示法编号表示法攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！1999 nineteen ninety-nine1999 nineteen ninety-nine20082008 two

12、thousand and eight two thousand and eight19491949年年10 10月月1 1日日 读作读作:October(the)first,nineteen forty-nine(月月-日，年日，年)the first of October,nineteen forty-nine（日（日-月，年）月，年）写作写作:October 1st,1999(日用缩写，月日用缩写，月-日日-年年)October 1,1999 (日用数字日用数字)1st October,1999日日-月，年月，年年年用用基数词基数词表示表示,两位一读两位一读,介词用介词用in日日用用序数词

13、序数词表示表示,介词用介词用on 年份、日期表达法年份、日期表达法攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！表表示时刻示时刻(介词用介词用at)1)顺顺读法读法-先时后分先时后分,“几点几分几点几分”9:30 nine thirty 6:41 six forty-one 2)逆逆读法读法-先分后时先分后时 a.表示表示“几点几点过过几分几分”，半小时以内，介词用，半小时以内，介词用past（超过）（超过）分分钟数钟数+past+钟点数钟点数 10:10 ten past ten 8:20 twent

14、y past eight b.表示表示“几点几点差差几分几分”，半小时以上，半小时以上，介介词用词用to（差）（差）60减原分钟减原分钟+to+(下一个下一个)钟点数钟点数 9:50 ten to ten 7:40 twenty to eight攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！3)15分钟：分钟：a quarter 30分钟：分钟：a half 9:15 12:30表示表示“整点整点”时，在基数词后加时，在基数词后加oclock,如如 9:00 nine oclock 表表示时刻示时刻(介

15、词用介词用at)a quarter past ninehalf past twelve攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！“几十几十”的复数形式可以表示：的复数形式可以表示：1)在某人几十岁时在某人几十岁时-in+ones+整十整十基基数词复数数词复数 He died in his forties四十多岁四十多岁 2)年年 代代 -in+the+数词复数数词复数 In the nineties,most people go to work by bike.90年代年代3、“基数词基数词+名词名

16、词”的的合成形容词合成形容词作定语，作定语，中间有连字符中间有连字符“”,当中的名词用当中的名词用单数单数。a 3yearold girl a seven-day holiday 攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！20世纪90年代in the 1990s数词数词的表示法的表示法 年代世纪年代世纪in the nineteen nineties表示表示“在在世纪世纪”,用序数词。用序数词。在在20世纪世纪 写作：写作：in 20th century 读作：读作：in the twentieth

17、 century 攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华

18、森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVo

19、cational School我学习我学习 我快乐！我快乐！攀枝花市华森职业学校攀枝花市华森职业学校Sichuan EDUHuaSenVocational School我学习我学习 我快乐！我快乐！How much money is there in the picture?There is one thousand one hundred and eightysix yuan.教学目标：通过复习熟练掌握基数词、教学目标：通过复习熟练掌握基数词、序数词和分数词的构成及用法。序数词和分数词的构成及用法。复习内容复习内容 ：基数词的构成基数词的构成 序数词的构成序数词的构成 基数词的用法基数词的用

20、法 序数词的用法序数词的用法ABCD提交1._ tress were planted on the mountain last year.Five thousands Five thousand of Thousand of Thousands of 单选题1分ABCD提交2_ of the students are girls in our class Two threeTwo threes Two thirds Second three单选题1分ABCD提交3.When was he born?He was born on _.second of Octoberthe October th

21、ree October the secondthree of October单选题1分表示数目多少或顺序多少的词叫表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。数词，数词分为基数词和序数词。表示表示数目多少数目多少的数词叫的数词叫基数词基数词；表；表示示顺序顺序的数词叫的数词叫序数词序数词。数数 词词基数词基数词序数词序数词数量数量顺序顺序数词的构成数词的构成基数词的构成基数词的构成1）112,独立成词。独立成词。one two three four five six seven eight nine ten eleven twelve2）1319,由由39+teen构成。构成。1

22、4fourteen 16sixteen 17seventeen 19nineteen 特殊拼写特殊拼写:13 thirteen 15fifteen 18eighteen 3）2090,以以-ty结尾。结尾。20twenty 30thirty 40forty 50fifty 60sixty 70seventy 80eighty 90ninety 基数词的构成基数词的构成4）2199，两位数，十位与个位之间有两位数，十位与个位之间有“”。21 twentyone 55 fiftyfive 99 ninetynine5）101999，三位数，百位与十位，三位数，百位与十位/个位之间加个位之间加and

23、。101 one hundred and one 840 eight hundred and forty 693 six hundred and ninety-three thousandhundredmillionbillionand6)1，000以上数目以上数目,从右向左每三位用从右向左每三位用“，”分开分开,分别读为分别读为thousand,million,billion。基数词的构成基数词的构成百百千千百万百万十亿十亿8,600,531,7 29读读作：作：eight billion six hundred million five hundred and thirtyone thou

24、sand seven hundred and twentynine1440501517709019188060161.If a=3,b=4,whats the answer to the problem,a+2ab+1=?ABC提交 the answer is_.twenty eight twenty-eighth twenty-eight单选题1分2.In our school several _ students are able to search the Internet.ABC提交hunderd of hunderds of hundred单选题1分序数词的构成序数词的构成1)13,

25、first,second,third。2)419,相应基数词相应基数词+th,特殊拼写特殊拼写:fifth,eighth,ninth,twelfth。3)2090,ty变变成成tie+th,如如twentieth。4)2199,只把只把个位个位的基数词的基数词变成序数词变成序数词 如如twenty-first。5)序数词缩序数词缩写写数数字最后两字母字最后两字母 如如1st,2nd,3rd,4th基变序基变序,有规律有规律,一、二、三，特殊记一、二、三，特殊记，从从4起起加加th，八去八去“t”，九去，九去“e”，“ve”要用要用“f”替替(five,twelve)，“ty”变成变成“tie”

26、，词尾加上，词尾加上“th”，(twenty,thirty,ninety)若是遇到几十几，只变个位就可以。若是遇到几十几，只变个位就可以。序数缩写记清楚序数缩写记清楚,数字后跟两字母数字后跟两字母(6th)。(序数词构成规律)记记 住住 噢噢复习了序数词，如何翻译复习了序数词，如何翻译“十九十九大大”呢？呢？the 19th Communist Party of China(CPC)National Congress中国共产党第中国共产党第十九次十九次全国代表大会全国代表大会基数词的用法基数词的用法1、表示表示具体具体数目数目,hundred,thousand,million不用复数不用复数

27、表示表示不确定不确定数目数目,用用复数。复数。即即hundreds of(数百数百),thousands of(数千数千),millions of(数百万数百万)+名词复数名词复数,可以用可以用many/several修饰，但不能与具体数目连用。修饰，但不能与具体数目连用。1)Our country has a population（人口）（人口）of 1,300 million people.2)There are three thousand students in our school.3)After the war,thousands of people became homeless

28、.4)Several/Many thousands of trees must be planted every year.2、“几十几十”的复数形式可以表示：的复数形式可以表示：1)在某人几十岁时在某人几十岁时-in+ones+整十整十基基数词复数数词复数 He died in his forties四十多岁四十多岁 2)年年 代代 -in+the+数词复数数词复数 In the nineties,most people go to work by bike.90年代年代3、“基数词基数词+名词名词”的的合成形容词合成形容词作定语，作定语，中间有连字符中间有连字符“”,当中的名词用当中的名词

29、用单数单数。a 3yearold girl a seven-day holiday 基数词的用法基数词的用法4、表计、表计量量“基数词基数词+度量单位度量单位+形容词形容词”The classroom is 7 meters long,6 meters wide and 3 meters high.基数词的用法基数词的用法 5、表表示时刻示时刻(介词用介词用at)1)顺顺读法读法-先时后分先时后分,“几点几分几点几分”9:30 nine thirty 6:41 six forty-one 2)逆逆读法读法-先分后时先分后时 a.表示表示“几点几点过过几分几分”，半小时以内，介词用，半小时以内，

30、介词用past（超过）（超过）分分钟数钟数+past+钟点数钟点数 10:10 ten past ten 8:20 twenty past eight b.表示表示“几点几点差差几分几分”，半小时以上，半小时以上，介介词用词用to（差）（差）60减原分钟减原分钟+to+(下一个下一个)钟点数钟点数 9:50 ten to ten 7:40 twenty to eight基数词的用法基数词的用法3)15分钟：分钟：a quarter 30分钟：分钟：a half 9:15 12:30表示表示“整点整点”时，在基数词后加时，在基数词后加oclock,如如 9:00 nine oclock 基数词的

31、用法基数词的用法 5、表示时刻、表示时刻(介词用介词用at)a quarter past ninehalf past twelve1.The winner is _.He is an _ boy.A.eight-year-old;eight years old B.eight years old;eight-year-old C.eight-years old;eight-year-old2.He came to China _.A.at the age of 20 B.when he is 20 C.at age of 20巩固练习巩固练习 3.Many _ sheep were kille

32、d in the accident.A.thousands of B.thousand C.thousands4.There are over nine _ workers in the factory,but _ of young people hope to work in it.A.hundred;hundreds B.hundreds;hundreds C.hundreds;hundred5.He graduated in _ of _ century.A.the sixtieth;twenty B.sixty;the twentieth C.the sixties;the twent

33、ieth6.He got the prize _.A.in his fifties B.in fifties C.in his fiftySummary(小结小结)1.基数词的构成（基数词的构成（6点）点）2.序数词的构成（序数词的构成（5点，记歌谣）点，记歌谣）3.基数词的用法基数词的用法(hundred,thousand,million、岁数与、岁数与 年代、年代、“基基+名名”、计量、时刻、计量、时刻）(1)序数词作定语，前面要加序数词作定语，前面要加the；The first truck is carrying a food basket John lives on the fifte

34、enth floor She is my first English teacher.(2)有时加有时加a/an，“再一再一”，“又一又一”的意思的意思Well have to do it a second time Shall I ask him a third time？When I sat down，a fourth man rose to speakThey had a second child in 1988序数词的用法序数词的用法(3)序数词作状语，用于最高级前或表列举时用。序数词作状语，用于最高级前或表列举时用。如：如：The Changjiang river is the fo

35、urth longest river in the world.First,you have done nothing wrong;second,you have nothing more,so you neednt say“sorry”to anybody.序数词的用法序数词的用法编号在编号在前前，名词在后，用，名词在后，用序序数词，前面有数词，前面有the编号在编号在后后，名词在前，用，名词在前，用基基数词，注意首字母数词，注意首字母大写大写房间号码和电话号码要一个一个分别读房间号码和电话号码要一个一个分别读The First LessonThe First Lesson（在句子中不大写）

36、（在句子中不大写）Lesson Lesson One One the thirty-second pagePage 32/Page Thirty-twoRoom 305Room 305Bus No.12=the No.12 bus第一课第一课第第32页页第第305房间房间第第12路公共汽车路公共汽车编号表示法编号表示法1 15 5分子分子 基数词基数词分母分母 序数词序数词one fifthone fifth2 27 7分子分子 1 1分母分母 +s+stwo seventhtwo sevenths s1 14 4分子分子 a a分母分母 quarterquartera quartera qu

37、arter3 34 4three quarterthree quarters s1 12 2a halfa half1 13 3threethree andand one third one third3 3基数词基数词 +and+and+分数分数分数、分数、百分数百分数80%80%基数词基数词 +percent percenteighty percenteighty percenthalf/(百百)分数分数+of+可数名词复数可数名词复数 谓语动词用复数谓语动词用复数half/(百百)分数分数+of+不可数名词不可数名词谓语动词用单数谓语动词用单数3.783.78three three po

38、intpoint seven eight seven eightdiscount用于表示用于表示“打折打折”。如：如：打六折打六折 four discount1._ of the students _ boys in Class A.Two three;are B.Two thirds;are C.Two thirds;is2._ of her money _ spent on clothes.A.Two three;are B.Two thirds;is C.Two third;is3._ the teachers in our school is about one hundred,and

39、 _ of them are women teachers.A.The number of;two third B.The number of;two thirds C.A number of;two thirds随随 堂堂 练练 习习一个半小时一个半小时两个半小时两个半小时 two two andand a half hour a half hours s=two hour=two hours s andand a half a half one one andand a half hour a half hours s=one hour=one hour andand a half a h

40、alf半半的表示法的表示法1.The boy always stays there for _.A.one and half hour B.one and a half hour C.one and a half hours2.The old man drank_ beer.A.two bottles and a half B.two and a half bottle C.two bottle and a half1999 nineteen ninety-nine1999 nineteen ninety-nine20082008 two thousand and eight two thou

41、sand and eight19491949年年10 10月月1 1日日 读作读作:October(the)first,nineteen forty-nine(月月-日，年日，年)the first of October,nineteen forty-nine（日（日-月，年）月，年）写作写作:October 1st,1999(日用缩写，月日用缩写，月-日日-年年)October 1,1999 (日用数字日用数字)1st October,1999日日-月，年月，年年年用用基数词基数词表示表示,两位一读两位一读,介词用介词用in日日用用序数词序数词表示表示,介词用介词用on 年份、日期表达法年份

42、、日期表达法1.The accident happened on_.A.April 5,2001 B.2001,April 5 C.April 2001,52.I was born _.A.in March 8,1993 B.on July 9,1994 C.on May,199520世纪90年代in the 1990s数词数词的表示法的表示法 年代世纪年代世纪in the nineteen nineties表示表示“在在世纪世纪”,用序数词。用序数词。在在20世纪世纪 写作：写作：in 20th century 读作：读作：in the twentieth century 1.There w

43、ill be more chances in _ century than in _ century.A.twenty-one,twenty B.twenty-first,twentieth C.the twenty-first,the twentieth2.The city changed a lot _.A.in 1980s B.in the 1980s C.in the 19803.He graduated in _ of _ century.A.the sixtieth;twenty B.sixty;the twentieth C.the sixties;the twentieth4.

44、He got the prize _.A.in his fifties B.in fifties C.in his fifty 表示“大约、接近”，常用nearly,about,some,almost,around 等。about 700 people some fifty years ago 表示“左右”用or so in the past five years or so “少于”用less than less than 30 years old 不到30岁“多于”用 more than,over more than a year ago over 70 years ago约数表示法约数表

45、示法(1)小数的读法 小数点左边的数通常按基数词读，若为三位以上的数，也可按编码式读法读出，即将数字单个读出；小数点右边的数通常按编码式读法单个读出。如：6.86 six point eight six 14.15 fourteen point one five (2)小数中“0”的读法 “0”在小数中通常读作nought（英）或zero（美），也可读作字母o。如：0.08（nought）point nought eight 或（zero）point zero eight 小数表示法小数表示法一倍一倍 once，两倍，两倍 twice，三倍三倍 three times (三倍或以上三倍或以上

46、基数词基数词times)数词数词的表示法的表示法 倍数倍数 This box is five times as big as that one.=This box is four times bigger than that one.A+be+倍数倍数+as+adj.原原+as+B.A是是B的的 倍倍 C+be+倍数倍数+adj.比比+than+D.C比比D 倍倍1.This building is _ that building.A.three time as tall as B.twice taller than C.three times as taller as2.我的箱子比你的重六倍

47、我的箱子比你的重六倍!My box is _ yours.six times heavier thanseven times as heavy as 6+511 Six plus five is eleven 或 Six and five is eleven.11-65 Eleven minus six is five.或 Six from eleven is five.4520 Four multiplied by five is twenty.或 Four times five is twenty.2045 Twenty divided by four is five.或 Four int

48、o twenty goes five.3 Three squared is nine.2 Two cubed is eight.23加加减乘除式的表达方法减乘除式的表达方法选择填空。1March is _month of a yearA a three B the third C a third2We will have a meeting at 8:05_Afive to eight Beight five Ceight o five3Eight plus eight is_.Asixteen Bsixty-four Cone4He is an _boyAeight years Beight

49、-year-old Ceight-years-old5We will have a_ walkAten minutes Bten minutes Cten-minutesB the thirdCeight o fiveAsixteenBeight-year-oldBten minutes6The wall is_.Afour meters long Bfour meter long Cfour-meter long7Whats the date today?Its_AMarch the eight BMarch eighthCeight，March8It happened in the 104

50、0sA in the forties of the eleventh centuryB in the forties of the tenth centuryC in the forty9About_ of the earths surface is covered with water.A.three-fours B.three-fourth C.three-fourthsAfour meters longBMarch eighthA in the forties of the eleventh centuryC.three-fourths10.He went down to the vil