小学英语数词专题讲解教案.pdf
小学英语数词专题讲解教案小学英语数词专题讲解教案数词（一）数词（一）(一一)基数词（表示几）：基数词（表示几）：表示数目多少的词叫基数词1 1、1 11212 的基数词是独立的单词，的基数词是独立的单词，即：one，two，three，four，five，six，seven，eight，nine，ten，eleven，twelve。2 2、13131919 的基数词以的基数词以-teen-teen 结尾，结尾，但但 1313，1515，1818 较特殊，较特殊，1313thirteen 15thirteen 15fifteen 18fifteen 18eighteeneighteen。3 3、20209090 的整十位均以的整十位均以-ty-ty 结尾。但结尾。但2020，3030，4040，5050，8080 较特殊，较特殊，2020twentytwenty，3030thirtythirty，4040fortyforty，5050fiftyfifty，8080eightyeighty。4 4、十位数与个位数之间要加连字符号“、十位数与个位数之间要加连字符号“-”，”，如：28 twenty-eight，96 ninety-six。5 5、百位和十位、百位和十位(若无十位则和个位若无十位则和个位)之间加之间加 andand，如：148one hundred and forty-eight，406four hundred and six。6 6、hundred(hundred(百百)，thousand(thousand(千千)，等前面即使有具体的数词，也不能在它们的后面加，等前面即使有具体的数词，也不能在它们的后面加 s s。如：600six hundred，专项练习专项练习：一、请写出以下基数词。12_14_18_19_ 21_25_37_58_88_ 700_二、根据句意或中文提示写出合适的英语数字。（不能用阿拉伯数字）1.There are _ days in a week.2.There are _ or _ days in a year.13.There are _ or _ days in February.4.There are _days in August.5.There are _ minutes in an hour.6.There are _ months in a year.7.There are _(数百个)students in the school.8.There are _(数千个)people in the square.(二二)序数词由基数词转变而来，表示“这是第几个”，序数词由基数词转变而来，表示“这是第几个”，表示先后顺序的数词叫序数词1.口诀巧记基数词变序数词：口诀巧记基数词变序数词：“一、二、三，特殊记，“一、二、三，特殊记，（第一 first第二 second 第三 third）八去“八去“t t”，九去“”，九去“e e”，”，（eighteighthnineninth）“veve”要用“”要用“f f”替，”替，（fivefifth，twelvetwelfth）见见 y y 变成变成 i i 和和 e e，词尾加上，词尾加上 thth（twentytwentieth，fortyfortieth）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。（twenty-fivetwenty-fifth）2.其余情况均在基数词后加 thth3.序数词有时用缩写形式：First 缩写 1st,twentysecond 缩写 22th.专项练习：专项练习：一、把下列基数词改成序数词。one_two_three_nine_fourteen_twenty_thirty-five_ five_ eight_twelve_ forty-one二、根据句意和所给汉语完成句子。1.Li Mei is always _(第一个)to come to school.2.Mary lives on _(第十二)floor of that building.23.Today is my grandfathers _(第七十)birthday.4.The Changjiang River is _(第三)longest river in the world.5.Take _(第二)turning on the left.6.Mary is _(第四)in the race.数词（二）数词（二）基本用法基本用法(一一)基数词的基本用法基数词的基本用法用基数词来修饰可数名词可数名词时，一定别忘了用该名词的复数形式。如：十八个男孩eighteen boys(二二)序数词的基本用法序数词的基本用法1.序数词前面一般要加定冠词 the(或物主代词)：Autumn is the third season in a year.2.如果数字较长，序数词总避免使用，而且读的方法也常常简化：第 201 房间：Room 201第 319 页：page 3193.在谈编了号的东西时，我们可以用基数词表示顺序：the first part-part one一、时间表达法一、时间表达法1.整点用基数词+oclock,如：1:00 _5:00 _2.按“钟点数+分钟数”的顺序，如：6:18 _9:48_3.分钟不超过 30（包含三十）时，用“分钟+past+钟点数”表达。如：6:05_7:15_8:30_4.分钟数超过 30 时，用“分钟数+to+钟点数”表达。其中“分钟数”为 60 减去原分钟数，“钟3点数”为下一个钟点数。如：3:50 _4:45_5:56_注意：在具体时刻前通常用 at。如：(at)six or six oclock专项练习：专项练习：一、用英语写出下列时间。_二、按要求完成句子。1.Linda does her homework at five fifty.(改为同义句)Linda does her homework at _ _ _.2.He made clothes for two quarters.(改为同义句)He made clothes for _ _./_ _ _.3.What is the time?(改为同义句)_ _ is it?4.Mr Green goes to work at seven ten every day.(划线部分提问)_ _ _ Mr Green _ to work every day?二、年、月、日表达法二、年、月、日表达法-Whats the date today?-Its May 3rd,1987.-When is Childrens Day?-Its on June the first(Jun 1st).-When is Teachers Day?-Its on the tenth of September(Sept 10th).1.年代前用 in.每两位数读一个词，例如：1987 年读作 nineteen eighty-seven。(in)1905 读作(in)nineteen and five4(in)1800 读作(in)eighteen hundred2.月份开头第一个字母须大写，表示“在某月”时，月份前面用 in。(in)January，(in)March，(in)December3.日期 用序数词(前需要加 the)表示；“在某日”，前面用介词 on.(on)October the first4.某年 某月 某日如果年月日同时出现，先月后日，把年代放在最后，用逗号隔开，日要用序数词。in Sep.1954on Oct.1,1949(读作 on October the first,nineteen forty-nine)专项练习：专项练习：一、用英语写出下列日期。_二、在句中填入适当的词。1.-_ is Halloween?-Its _ October.2.-_ the _ today?Its Jun 1st.-Its _ _.3.-Is Womens Day _ _ _?-Yes,it is.4.Mid-Autumn Festival is usually _ _ or _.5.Hong Kong came back _ 1997.三、一些数学加减的读法：3+8=11 three plus eight is eleven.9-7=2 nine minus seven is two.5课后作业课后作业一、英汉互译第六课 _20 个鸡蛋_6 月 2 日_on March 20,2004 _seven thirty_ 96 把椅子 _No.5 Middle School _6：40 _ four times _二、把下列基数词改成序数词。one_two_three_nine_fourteen_twenty_thirty-five_ five_ eight_twelve_ forty-one三、选择题1.We are going to learn _ this term.A.book sixB.six bookC.the book sixD.Book Six2.Jenny was born(出生)_.6A.on July 10,1987B.in July 10,1987 C.in 1987,July 10D.on 19873.Autumn is _ season in a year.A.the fourthB.the thirdC.a thirdD.the threeth4.Thereare _ daysinayear.A.three hundredssixty-fiveB.three hundredsandsixty-fiveC.three hundredsixty-fiveD.three hundredandsixty-five5.There are _studentsin our school.A.eight hundreds and forty-sixB.eight hundredand forty-sixC.eight hundredforty-six6.My brother is in_.A.Three Class,One GradeB.Class Three,Grade OneC.Grade One,Class ThreeD.class three,grade one7.Please turn to _.Lets read the text.A.Page twoB.the page twoC.second pageD.page second8Danny lives in _Aroom 404BRoom 404C404 roomD404 Room9Whats the date today?_ AIts Saturday BIts July CIts fineDIts July 1510What time do you get up every day?AIts seven oclockBSeven oclock time CAt sevenDOn seven11.My home is aboutaway from the school.A.three hundred metreB.three hundreds metres7C.three hundred metresD.three hundred metre12.We are learningnow.A.the twenty-first lessonB.Lesson Twenty-firstC.the 21th lessonD.Lesson 21 st13.This is herbirthday,I think.A.twentyB.twentiethC.the twentiethD.the twentys14.Septemberis TeachersDay.A.the tenB the tenthC.the tens15.My grandmother is_ old.A.seventiethB.seventy yearC.seventy yearsD.seventies16.Monday is the second day,and_.A.Tuesday is the fourthB.Thursday is fifthC.the second day is TuesdayD.the second day is Thursday17.There are _months in a year.December is the _month of the year.A.twelve;twelveB.twelve;twelfthC.twelfth;twelveD.twelve;twelveth18.Whats the date today?It is _.A.FridayB.time to goC.cloudyD.June 4th19.What is five and eight?A.TwelveB.ThirteenC.FourteenD.Fifteen四、根据句意和有关常识，用英文数词填空。1.Fifty-oneplus thirty-eightis _.2.There are _ days in a week（星期）。83.W is _letter in the alphabet(字母表).4.Thirty divided by（除以）five is _5、Bill is（14）years old,he is in Class（2）Grade（6）.6、My birthday is on the（3）of March.7、September is the（9）month in a year.8、Which boy is thinner,the（1）one or the（2）one?9、There are（55）students in our class.10.We have_（12）months in a year.December is the _（12）one.11.This is my_（1）bag.12.My birthday is Dec._（21）.13.I have_（3）books.I like my_（3）book.9
