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1、校区：西便门科目：英语年级：六年级 总第 次课学生：杨蒙曦编号：教师：啜晨曦 日期：12.09 数词【课标导航】课程目标层次要求基数词 序数词其他用法【知识梳理】数词语法讲解一）数词概述英语的数词可以分为基数词和序数词两大类。基数词表示数目的多少，如：three，thirty，forty-nine等。而序数词表示的则是这些数目的顺序,如：third，thirtieth，forty-ninth等。数词与不定代词很相似，其用法相当于名词与形容词。中考对数词的考查主要是数词的“复数形式”的应用、分数的构成形式以及词形变化中的基数词转换为序数词。当表示确切的数目时，hundred，thousand，m
2、illion等数词用单数形式；表达不具体的数目，如成百上千，成千上万等时，hundred，thousand等数词用复数形式，且在其后加介词of。英语中的分数是由“基数词+序数词”构成的。分子用基数词表示，分母用序数词表示，分子大于“1”时，作为分母的序数词要用复数形式。基数词转换为序数词常在词形转换中考查，要特别记住某些序数词的一些特殊变化形式。如：onefirst, twosecond, threethird, fivefifth, eighteighth, nineninth, twelvetwelfth, twentytwentieth等等。（二）基础知识梳理1基数词1）基数词表示数量。
3、1319的基数词都以-teen结尾，如：thirteen，nineteen等。2090十位数的整数都以-ty结尾，如：twenty，ninety等。2）表示两位数词时，十位与个位之间要加连字符。三位以上的数词，在百位数与后两位数之间，要用and连接。如：four hundred and ninety-seven。注意，千位数与百位数之间用逗号分开，如：five thousand，three hundred and twenty。3）在表示一个具体的数目时，hundred，thousand，million都要用单数形式。如：several hundred，two thousand，ten mil
4、lion等。在表示大概数目时，则用hundreds of，thousands of，millions of。4）数词与其他词构成复合形容词时，其中的名词要用单数形式。如：an eight-cent-stamp， a three-month-old baby。 1 -How many students are there in your school?-There are over_students in our school.A. two thousands B. two thousands ofC. two thousand D. two thousand of 2_ visitors fr
5、om Australia will come to Visit China next week.A. Two hundreds B.A hundred ofC. Hundreds of D. Three hundreds of2序数词1）序数词表示顺序，使用时一般前面要加定冠词。基数词变序数词有一定的规律，下面的口诀可帮助你记忆：基变序有规律，123特殊记。th要从4加起，8减t，9去e。ty变成tie，ve要用f替。若要变为几十几，只变个位就可以。2）有时序数词前不用定冠词，表示“再一、又一”的意思。如：Soon the Greens had a second child-a son.很快格
6、林夫妇又有了一个孩子一个儿子。 1. This is _ lesson, so I dont know all your names.A. our first B. our the first C. the our first D. the first our3分数，小数和百分比1）表示分数时，分子用基数词，分母用序数词。当分子大于1时，分母须用复数形式。如：1/2上读作one half或a half, 1/4读作one fourth或a quarter，2/3读作two-thirds, 3 2/5读作three and two-fifths。2）读小数时，小数点前的基数词与前面所讲的基数词读
7、法完全相同，小数点读作“point”，小数点后只需将数字一一读出。如15.07读作fifteen point zero seven。3） 百分数的读法为：先读基数词，再读百分号。如5%读作five percent。4年份和日期1）年份的读法为每两位数读一个词。如：1950读作nineteen fifty1800读作eighteen hundred2000读作two thousand2）日期的读法有两种（1）先月后日，日子要读成序数词。如：9月29日可读作September (the) twenty-ninth（2）先日后月，在月份之前加Of。 如：9月29日也可读作the twenty-nin
8、th of September3）年月日同时出现，年代放在最后，年代前用逗号隔开。如：2005年2月1日可写成the first of February ,2005或February( the) first, 20055时间和钟点6:00读作six (oclock)7:30读作seven thirtyhalf past seven9:45读作nine forty-fivea quarter to ten2:15读作two fifteena quarter past two 7:30读作seven thirtyhalf past seven9:45读作nine forty-fivea quart
9、er to ten2:15读作two fifteena quarter past two6编号的表达1）事物名词（不加冠词）+基数词。如：Lesson One，Part Three，Channel Five，Gate Nine,，World War 2）定冠词+序数词+事物名词。如：the first lesson，the third part，the fifth channel，the ninth gate，the Second World War7加减乘除的英语表达plus/and加，minus减，time/multiplied by乘，divided by除。如：1）12 +8=？ Ho
10、w much is twelve plus/and eight?2）4011=29， Forty minus eleven is/equals twenty nine.3）36 =18， Three times six is/equals eighteen.4）567=？ How much is fifty-six divided by seven?【强化训练】&【课后作业】（注：本专题根据学生的程度及上课接受情况适当选择部分进行上课练习，部分做为课后作业。）一. 单项填空 1. _ of the apples in the fruit bowl are soft and sweet.A. T
11、wo-third B. Second-third C. Two-thirds D. Second-thirds2. Wu Dong won the girls _ race in the school sports meeting last week.A. 100 meters B.100-metres C.100 metre D.100-metre3. The homework for today is to write _ composition about your father.A. a five hundred word B. a five-hundred-wordsC. a-fiv
12、e-hundred-word D. a five-hundred-word4She has a _ daughter.A. six-years-old B. six-year-old C. six year old D. six years old5_ is the most difficult of _.A. Lesson Eight. Book Three B. The lesson eight.the book threeC. The eighth lessonthe threebook D. Theeight lessonthe third book6. It will take th
13、em _ to finish the course.A. one and a half years time B. a year and a halfs timeC. a year and a half of time D. a year and a half time7. （改错）This story took place in the 1950.A B C二、完型填空。A.Mr Bush comes from 1 .He is now 2 a middle school in our city. He has sixty students. He often says his class is too big and it is hard work for him to talk with every student 3 English. He enjoys 4 black tea and green tea. He likes Chinese food 5 ,too. He doesnt 6 drinking milk. He likes playing basketball, but he 7 play well. His son and I 8 in the same class. 9 name is James. We are 10 .(
