2022年中考英语数词 教学ppt课件.pptx

1、数 词 NumbersLearning goals联系生活实际理解基数词、序数词的概念利用思维导图掌握数词的中考考点在语境中熟练运用中考数词解题技巧 基数词的构成:A、1-12独立成词。one two three four five six seven eight nine ten eleven twelveB、13-19，由3-9+teen构成。14-fourteen 16-sixteen 17-seventeen 19-nineteen 特殊拼写：13-thirteen 15-fifteen 18-eighteenC、20-90，以-ty结尾。20-twenty 30-thirty 40-

2、forty 50-fifty 60-sixty 70-seventy 80-eighty 90-ninetyD、21-99，两位数，十位与各位之间有“-”。21 twenty-one 55 fifty-five 99 ninety-nine E、101-999，三位数，百位与十位/个位之间加and。101 one hundred and one 740 seven hundred and forty 893 eight hundred and ninety-three billionF、千位数以上数目，从右向左每三位用“，”分开，分别读 为thousand,million,billion 2,

3、222 thousand 2,222,222 million 2,222,222,222Mummy Pig and Daddy Pig got kids in their twenties.Now Peppa is eight years old.George is a five-year-old boy.一、辨析:in 1990 _ in the 1990s _ 在某人几十岁的时候_in ones+整十的复数在1990年five years old _five-year-old _five-year-olds _5岁（前面有be动词）5岁的+名词5岁的人在20世纪90年代1.Wu Dajin

4、g,a _ Chinese skater,set a new world record at the Short Track World Cup last year.A.25-years-old B.25-year-olds C.25-year-old 2.Many young people came to Dongguan in _.Yes.My father was one of them.He came here in his_.A.1990s;twenties B.1990s;twenty C.the 1990s;twenties Exercise 二、Daddy:George,wha

5、t time is it now?George:Its nine thirty.Peppa:No,its half past nine.特殊点：a quarter 15分钟 1:15-_ 1:45-_half 30分钟 1:30-_past过to差a quarter past onea quarter to twohalf past one 三、Peppa:Mummy,Im 70cm tall.Mum:Well,Im twice as tall as you!Im 140cm tall.Peppa:Wow,140cm is a lot for me!倍数的用法：1.倍数+as+_+as2.Im

6、 twice taller than you.倍数+_+than倍/次数的表达：1倍/次_ 2倍/次_3倍/次_4倍/次_oncetwicethree timesfour timesadj/adv的比较级adj/adv原级3.The money raised in the concert is _ it was expected.A.four times as many as B.four times as much as C.four times more 4.Do you know 5G,the new kind of mobile network(网络)?Yes,I do.Its sai

7、d that it will be _ than 4G in the net speed.A.10 time fast B.10 times fast C.10 times faster 四、Peppa:George,what do you want as your birthday gift?George:Oh,I want hundreds of toys!使用方法：1.表泛指，hundreds of _+of2.表具体，two hundred _+thousand,million,billion 基数词thousands/millions/billions五千辆汽车 _六百万本书 _成千

8、上万的人 _数以百万的苹果 _five thousand carssix million booksthousands of peoplemillions of apples5._ volunteers will be needed for 2020 Beijing Winter Olympic Games.A.Two hundred of B.Two hundreds of C.Two hundred 6.After several years hard work,the environment in this village is becoming better and better._

9、birds are coming back.A.Thousands ofB.Thousand of C.Thousand一般情况：词尾-thfour-_thirteen-_fourththirteenth特殊情况：1.one-_ two-_ three-_2.five-_3.eight-_ nine-_twelve-_firstsecondthirdfiftheighthninthtwelfth4.twenty-_twentieth整十：改y为ie-th；5.twenty-one-_twenty-first两位数：只变个位数 改ve为f-th；八-h，九去e再-th；In the 21st c

10、entury,many kids like cartoons.Peppa Pig is my first favorite cartoon.I have watched it twice.And I want to watch it a third time.所有格时，物主代词再一；又一the7.Two months ago,China tested its _ aircraft carrier(航空母舰)built completely on its own.A.oneB.first C.the one 8.After Jack volunteered at a village school

11、 for half a year in 2020,he always expected to go there a _ time.A.firstB.second C.two 分数、小数、百分数表示法：分数:分子用基数词，分母用序数词。先写分子，后写分母。分子大于1时，分母加-s one-fourth a（one）quarter three-fourths three quarters a（one）half小数:1.2 one point two百分数：50%的学生 50 percent of students注意：分数、小数、百分数无法决定谓语，由后面名词决定。9.According to a

12、 survey,four out of five women do housework at home,but only _ of men would do it.A.four fifth B.two fifths C.two fifth 10.You look tired today!You know we have too much homework to do every day._ of the students in our class dont have enough sleep.A.Two third B.One third C.Second three 编号表示法:编号在前，名

13、词在后，用序数词，前面有the编号在后，名词在前，用基数词，注意首字母要大写房间号码和电话号码要一个一个分别读第一课 The first lesson/Lesson one第32页 the thirty-second page/Page 32/Page thirty-two第306房间 Room 306第12路公共汽车 Bus No.12九年级九班 Class9，Grade911.Today we will study Lesson _Its the _ lesson of the unit.A.Three;third B.Third;third C.Third;three 12.Please

14、 turn to page _ and take a look at the picture on it.A.the eightieth B.eightieth C.eighty 年份、日期表达法年用基数词表示，两位一读，介词用in日用序数词表示，介词用on1983 nineteen eighty-three2008 two thousand and eight1949年10月1日 读作：October（the）first,nineteen forty-nine(月-日，年）the first of October,nineteen forty-nine(日-月，年）写作：October 1s

15、t,1949(日用缩写，月-日，年）1st October,1949（日-月，年）表计量:”基数词+度量单位+形容词“。The classroom is 7 meters long,6 meters wide and 3 meters high.请根据中文意思在横线上填写合适的词。Hello,everyone!Im Judy.Im a 1._（7岁的）girl.I like reading Peppa Pig.I have read all the books twice,but I want to read them a 2._（再一次）time.My favourite one is Bo

16、ok 3._(第二本）-Go to see a dentist.After reading the book,Im not afraid of seeing a dentist anymore.The pink pig can always cheer me up.And I know 4._（四分之三）of my friends also like her.Oh,its 5._（8：30）-story time!I cant wait to see my Peppa and I hope I can get 6._（数以百计的）Peppa toys one day.7-year-oldthird Twothree fourthshalf past eighthundreds ofthree quarterseight thirtySummary