序数词教案

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第一篇:序数词教案

成人高考英语

第七章 数词的基本用法:序数词 教学设计

安远中等职业学校 杜譞

教学内容:序数词

教学目标:能听、说、认读序数词。

教学重点:掌握序数词的构成及其基本用法。

教学难点:基数词转化为序数词,分数的构成,日期的表达。

教学方法:对比法、归纳演绎、TPR

教学准备:图片、单词卡、课件

教学过程:

Step 1.Preparation 1.Greetings: Say hello.2.Sing a song.3.Review the numbers。让学生把课件上的单词用英语读出来。(这个环节既复习了上一课内容基数词,又为序数词的新授做铺垫。)

4.Ask and answer“How old „„? I’m „„”“How many „„? ”“How much „„”(学生根据实际情况回答)(目的复习基数词在实际情境中的运用的。)最后教师拿出图问: Where is the living room? It’s on the first floor.Step 2.Presentation

1.单词导呈

(1)教学单词 first.利用图片直接介绍This is a living room.It’s on the first floor.老师指着图片介绍,学生跟读单词,老师同时板书单词。

(2)运用“Where is the living room? 引出It’s on the first/second floor.”利用相同方法教授单词second和third。(在学习这几个单词时,可以采用TPR的方法,增加趣味)

(3)出示序数词概念:表示数目顺序的词,我们称为序数词。(明确序数词概念)

(4)运用单词图片简单复习刚学的新词。

(5)课件出示基数词,并逐个出示20以内的序数词(通过游戏PK的方式巩固序数词单词)

(6)教授整十和几十几的序数词。(老师要让学生明白序数词和基数词的不同,并通过观察归纳出基数词变序数词的方法。)2.归纳出基数词变序数词的口诀。

基变序,有规律。

1,2,3,特殊记,词尾字母t,d,d;(first,second,third)8减t,9去e,f来把ve替;

(eighth,ninth)

(fifth,twelfth)单词ty作结尾,ty变成tie;(twentieth)

若是碰到几十几,只变个位就可以。(thirty-first,sixty-fourth)(口诀有助于学生对序数词构成方法的记忆)

合作学习。

The students read the words in groups.3.序数词的简写形式:是由阿拉伯数字之后加上单词最后两个字母组成,读音不变。

4.序数词的基本用法:

(1).用来表示事物的顺序:the second lesson

(2).表示年代世纪:the seventies of the 20th century或 the seventies of the twentieth century

(3).表示日期:1949年10月1日:October the first,nineteen forty-nnine(注意日期的缩写表达及读音)

(4).分数的表示:分子用基数词,分母用序数词,分子大于1时,分母用序数词复数。

one-fifth Step 3.Practice

课件出示题目,学生完成相应练习。(通过答题,进一步巩固序数词的在实际中的基本用法。)

Step 4.Prolongation

1.再次通过星期问答“What day is it? It’s Thursday.”导出星期四是感恩节,教育学生要心怀感恩之心。

Step 5.Homework

1.熟读序数词单词。

2.掌握序数词的变化规律。

3.抄写序数词,p67表格里的所有序数词,每个单词抄一次。

4.复习序数词的基本用法

第二篇:初一英语数词、序数词教案

(一)基数词 在英语中表示数目的词称为基数词。1.基数词的构成(1)1-20 one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen, sixteen,seventeen,eighteen,nineteen,twenty(2)21-99 先说“几十”,再说“几”,中间加连字符。

23→twenty-three,34→thirty-four,45→forty—five,56→fifty-six,67→sixty-seven,78→seventy-eight,89→eighty-nine,91→ninety-one(3)101—999先说“几百”,再加and,再加末两位数或末位数; 586→five hundred and eighty-six,803→eight hundred and three

(4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为 million,第三个“,”前为billion(美式)或thousand ,million(英式),然后一节一节地表示。1,001→one thousand and one

9,785→nine thousand, seven hundred and eighty-five 18,423→eighteen thousand,four hundred and twenty-three 6,260,309→six million two hundred and sixty thousand three hundred and nine

750,000,000,000→seven hundred and fifty, billion(美式)seven hundred and fifty thousand million(英式)

4.基数词的用法:

1.表年代。年份通常分成两部分说。例如:

1626 年sixteen twenty-six

2000 年twenty hundred/two thousand 1902年 nineteen o(或者and)two/nineteen hundred and two

2003→two thousand and three 2.表时间

①整点5:00 five/five o'clock ②半小时以内(包括半小时)

eleven thirty(钟点+分钟)

half past eleven(分钟+past+钟点)

eight twenty

twenty past eight ③超过半小时(到下一个钟点)

one fifty-eight(钟点+分钟)

two to two(分钟+to+下一个钟点)

注意:半小时以内的表达用介词past,表达“几点过几分”之意;超过半小时要用介词 to,表示“到下一个钟点还有几分”(即“几点差几分”)之意。

④一刻(15分钟)常用a quarter表示。如:a quarter to seven六点四十五分(七点差一刻)

a.m.表上午,p.m.表下午。例如:7:20a.m.早7点20分。

3.表电话、车牌等号码

碰到号码应把数字分开一个个说。“o”读成[u],英国人常把相同的两个数如22,读作 double two。例如:045-4166386o four five-four one double six three eight six

4.表长、宽、高、深,货币等计量

①货币的读写。

7.35seven dollars thirty-five cents七美元三十五美分

£3.75three pounds seventy-five pence三英镑七十五便士

¥5.24 five yuan twenty-four fen五元二角四分

a five-pound note一张五英镑的钞票

注意:dollar,pound,cent有复数变化,而人民币的yuan,fen无此变化。

②年龄、长、宽等计量的表达法。

He is sixteen(years old),and he's one and a half metres tall.

5.表编号,即在特定的一些用法中表顺序。

Lesson 9=Lesson Nine =The Ninth Lesson第九课(注意大小写变化)

Page 51=Page Fifty-one第五十一页

Room 203=Room two o three 203房间

the No.17 bus =the number seventeen bus第十七路公共汽车

6.数的计算(初中仅见加法表达)

“How much/What is two and four?”“Two and four is six.” 7.温度及比赛分数的读写

①温度The temperature will be 2—9.(2—9读写作two to nine)

②比赛分数

At the end of the first half we were winning 2:1.(2:1读写作two to one)

8.数字的具体表达与约略表达

①具体表达ten

(十)→ten books(十本书)→ten of the books(其中的十本书)

②约略表达tens(若干个“十”)→tens of the books(数十本书)。依此类推:

hundreds(若干个“百”)→hundreds of...(数以百计的……,成百上千的……)

thousands(若干个“千”)→thousands of...(数以千计的……,成千上万的……)。例如:

There are over seven hundred students on the ground.操场上有七百多名学生。

There are(several)hundreds of students on the ground.操场上有几百名学生。

应注意hundreds of...等前可用some,several,many,tens of...等词语修饰。

9.基数词的其它表达

①表“一次、两次”英语用once和twice。“三次”用three times,依此类推。

②注意下列表达

in one's teens在十几岁时;in one's twenties在二十多岁时;in the nineties在九十年代;one or two hours一两个小时;two hours and a half =two and a half hours两个半小时

10.小数的表示方法:

小数的表示法和汉语中小数表示法一样,小数点后的数字是“ 见几读几”,点用point 表示。

27.832 twenty-seven point eight three two 3)百分数 40%----forty percent 0.3%----(zero)point three percent 11.表示年代或岁数时,用逢十的基数词的复数形式 in the 1960s 二十世纪六十年代 in his fifties 在他五十多岁的时候

in his early twenties 在他二十岁出头的时候 表示十几岁时要用in one’s teens

一.读出下列数字。1).5/15/50/55

2)13/30/33 3)14/40/44

5102

345

1,658

83,890

6,783,310 ________________________________________________________________

_____________________________________________________________________ 4).1:05 _______________ 8:15 _______________3:30_______________

9:32 _______________10:45 _______________ 1:58 _______________ 5).1991

1874

2000

6)在20世纪50年代_______________在14世纪80年代__________________ 7)在他60几岁时_________________ 在我40几岁时_____________________ 8)“一次”___________ “两次”____________ “三次以上” _______________ 9)1).Wang Qing is a __________________(一个五岁大的男孩)boy.1o).We can see __________________(数千颗星星)stars at night if it doesn„t rain.11).More than __________________(超过一万)people took part in the Walk For Millions.(参加了百万行)

二、选择填空

1.Two ______________ died of cold last winter.A.hundreds old people B.hundreds old peoples C.hundred old people D.hundred old peoples 2.Henry is __________ tallest in their class.A.three B.the three C.third D.the third 3.When springs comes, __________ trees are planted in our city.A.millions of B.a million of C.two millions D.million of 4.John began to learn Japanese by himself in _________.A.the fifty B.the fifties C.his fifty D.his fifties 5.---What‟s the English for 12:30?---It‟s __________.A.twelve and thirty B.one to thirty C.twelve thirty D.an half past twelve 6.In ____________ Marx(马克思)began to learn Russian(俄语)。A.a 1870 B.the 1870 C.the 1870s D.his 1870

7.There are about two ____________ students in the school.A.thousand B.thousands C.thousand of D.thousands of

8.The _________ question is much more difficult than this one.A.sixth B.six C.sixteen D.sixty 9.In our city __________ people have moved into their new houses.A.thousand B.thousands C.thousands of D.two thousands 10.In our city __________ people have moved into their new houses.A.thousand B.thousands C.thousands of D.two thousands 11.She is _______, but she looks young.A.in her fifty B.at her fifty C.in her fifties D.at her fifties 12.Our summer holiday is coming.Two ________ the students in our school will go to the beach.A.hundred B.hundreds C.hundred of D.hundreds of

13.------How many people will come to Beijing for the 2008 Olympic Games?

------It‟s hard to say._________, I think.A.Millions of

B.Million

C.Two million of

D.Two millions of 14..I have_________ orange.You may drink it.A.a little

B.a few

C.few

D.little 15.Jim often gets up at _______.A.a quarter past six B.a quarter pass six C.six a quarter D.six fifteenth 16.There are _______ days in a year.('99河北)

A.three hundreds sixty-five

B.three hundreds and sixty five

C.three hundred and sixty-five

D.three hundred and sixty five 17.Six million,six hundred and sixty-six thousand,six hundred and sixty-six is _______ .

A.6,666,666

B.666,666,666

C.6,600,666

D.60,600,666

18.There are _______ students in our school.

A.eight hundred and fifty four

B.eight hundred and fifty-four

C.eight hundreds and fifty-four

D.eight hundreds and fifty four 19.The beautiful hotel is about _______ years old.

A.hundred of B.a hundred C.a hundred of D.hundreds 20.We are going to learn _______ tomorrow.

A.Lesson Tenth B.Lesson Ten C.Tenth Lesson D.The Lesson Ten

第三篇:1-50的序数词

2,123,456,789 Billion

million

thousand Two billion one hundred and twenty-three million four hundred and fifty-six thousand seven hundred and eighty-nine 基数词变序数词歌

基变序,有规律

词尾加上-th(fourth,sixth)一、二、三,特殊例,结尾字母t,d,d(first,second,third)八去t,九去e,(eighth,ninth)ve 要用 f 替;(fifth,twelfth)ty将y改成i, th前面有个e。

若是碰到几十几,前用基来后用序。星期一,抄写六年级下册第二单元单词4+1遍。

星期二,听熟六年级下册第二课课文。星期三,把1—50的序数词和基数词写出来,写在家庭作业本上。星期四,把2013年3月17日至2013年3月23日用英文表达法表示出来,做到家庭作业本上。

星期五,熟记小升初课本第28面至32面,熟背所画部分。

星期六,复习所学内容。听写1-50的序数词和基数词。One –first Two –second Three-third Four-fourth Five-fifth Six-sixth Seven-seventh Eight-eighth Nine-ninth Ten-tenth Eleven-eleventh Twelve-twelfth Thirteen-thirteenth Fourteen-fourteenth Fifteen-fifteenth Sixteen-sixteenth Seventeen-seventeenth Eighteen-eighteenth Nineteen-nineteenth Twenty-twentieth Twenty-one=twenty-first Twenty-two=twenty-second Twenty-three=twenty-third Twenty-four=twenty-fourth Twenty-five=twenty-fifth Twenty-six=twenty-sixth Twenty-seven=twenty-seventh Twenty-eight=twenty-eighth Twenty-nine=twenty-ninth Thirty=thirtieth Thirty-one=thirty-first Thirty-two=thirty-second Thirty-three=thirty-third Thirty-fourth=thirty-fourth ,,,,,,,, Forty=fortieth Fifty=fiftieth 2013年3月17日:March the seventeenth ,two thousand and thirteen 2013年3月18日:March the eighteenth ,two thousand and thirteen 2013年3月19日: March the nineteenth ,two thousand and thirteen 2013年3月20日: March the twentieth ,two thousand and thirteen 2013年3月21日: March the twentieth-first ,two thousand and thirteen 2013年3月22日: March the twentieth-second ,two thousand and thirteen 2013年3月23日: March the twentieth-third, two thousand and thirteen 二, 用at in on 填空.(1*5=5分)1,It’s _____5:30.2,He called me _____ Sunday morning.3,I shall take a holiday _______ summer.4,My daughter was born ______ July 1961.5,My mother bought meat ______ Saturday.星期一,抄写小升初课本33面至35面划线部分1遍。星期二,熟读小升初课本33面至35面课本。星期三,熟背小升初课本33面至35面划线部分。

星期四,听写小升初课本33面表格里的所有介词。

星期五,熟背六年级下册课本17面和20面。

星期六,预习小升初课本36至41面。

第四篇:教案之基数词与序数词总结

英语序数词的主要形式

(1)从第一至第十九:

one— first

two— second

three— third

four-fourth

five— fifth

six— sixth

seven— seventh

eight—eighth

nine—ninth

ten— tenth

eleven— eleventh

twelve— twelfth

thirteen —thirteenth

fourteen—fourteenth

fifteen—fifteenth

sixteen—sixteenth

seventeen—seventeenth

eighteen—eighteenth

nineteen—nineteenth

大多的序数词都是由其相对应的基数词后面添加“th”构成。

(2)从第二十至第九十九 整数第几十的形式由其对应的基数词改变结尾字母y为ie,再加“th”构成。

twenty——twentieth

thirty——thirtieth

表示第几十几时,用几十的基数词形式加上连字符“-”和个位序数词形式一起表示。

thirty-first 第三十一

fifty-sixth 第五十六

seventy-third 第七十三

ninety-ninth 第九十九

第一百以上的多位序数词由基数词的形式变结尾部分为序数词形式来表示。

one hundred and twenty-first 第一百二十一

one thousand,three hundred and twentieth 第一千三百二十

浩博 王

第五篇:英语1-100基数词和序数词

基数词one2 two3 three4 four5 five6 six7 seven8 eight9 nine10 ten11 eleven12 twelve13 thirteen14 fourteen15 fifteen16 sixteen17 seventeen18 eighteen19 nineteen20 twenty21 twenty-one22 twenty-two23 twenty-three24 twenty-four25 twenty-five26 twenty-six27 twenty-seven 28 twenty-eight29 twenty-nine30 thirty31 thirty-one32 thirty-two33 thirty-three

thirty-four35 thirty-five36 thirty-six37 thirty-seven38 thirty-eight39 thirty-nine40 forty41 forty-one42 forty-two43 forty-three44 forty-four45 forty-five46 forty-six47 forty-seven48 forty-eight49 forty-nine50 fifty51 fifty-one52 fifty-two53 fifty-three54 fifty-four55 fifty-five56 fifty-six57 fifty-seven58 fifty-eight59 fifty-nine60 sixty61 sixty-one62 sixty-two63 sixty-three64 sixty-four65 sixty-five66 sixty-six67 sixty-seven

sixty-eight69 sixty-nine70 seventy71 seventy-one72 seventy-two73 seventy-three74 seventy-four75 seventy-five76 seventy-six77 seventy-seven78 seventy-eight79 seventy-nine80 eighty81 eighty-one82 eighty-two83 eighty-three84 eighty-four85 eighty-five86 eighty-six87 eighty-seven88 eighty-eight89 eighty-nine90 ninety91 ninety-one92 ninety-two93 ninety-three94 ninety-four95 ninety-five96 ninety-six97 ninety-seven98 ninety-eight99 ninety-nine100 one hundred

序数词

第1 first

第2 second第3 third第4 fourth第5 fifth第6 sixth第7 seventh第8 eighth第9 ninth第10 tenth第11 eleventh第12 twelfth第13 thirteenth第14 fourteenth第15 fifteenth第16 sixteenth第17 seventeenth第18 eighteenth第19 nineteenth第20 twentieth第21 twenty-first第22 twenty-second 第23 twenty-third第24 twenty-fourth第25 twenty-fifth第26 twenty-sixth第27 twenty-seventh 第28 twenty-eighth第29 twenty-ninth第30 thirtieth第31 thirty-first第32 thirty-second第33 thirty-third

第34 thirty-fourth第35 thirty-fifth第36 thirty-sixth第37 thirty-seventh第38 thirty-eighth第39 thirty-ninth第40 fortieth第41 forty-first第42 forty-second第43 forty-third第44 forty-fourth第45 forty-fifth第46 forty-sixth第47 forty-seventh第48 forty-eighth第49 forty-ninth第50 fiftieth第51 fifty-first第52 fifty-second第53 fifty-third第54 fifty-fourth第55 fifty-fifth第56 fifty-sixth第57 fifty-seventh第58 fifty-eighth第59 fifty-ninth第60 sixtieth第61 sixty-first第62 sixty-second第63 sixty-third第54 sixty-fourth第65 sixty-fifth第66 sixty-sixth第67 sixty-seventh

第68 sixty-eighth第69 sixty-ninth第70 seventieth第71 seventy-first第72 seventy-second第73 seventy-third第74 seventy-fourth第75 seventy-fifth第76 seventy-sixth第77seventy-seventh第78 seventy-eighth第79 seventy-ninth第80 eightieth第81 eighty-first第82 eighty-second第83 eighty-third第84 eighty-fourth第85 eighty-fifth第86 eighty-sixth第87 eighty-seventh第88 eighty-eighth第89 eighty-ninth第90 ninetieth第91 ninety-first第92 ninety-second第93 ninety-third第94 ninety-fourth第95 ninety-fifth第96 ninety-sixth第97 ninety-seventh第98 ninety-eighth第99 ninety-ninth第100 one hundredth

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