复习课-数词[上学期]

课件23张PPT。数
词基数词 序数词数量顺序(1) 1—12 独立成词. one two three four five six seven eight nine ten eleven twelve一 基数词There are six lions.There are nine girls.There are twelve men.(2) 13—19 -teen结尾13--thirteen15--fifteen18--eighteen19--nineteen14--fourteenHow old are you?
I am…What is ten and eight? It’s eighteen
seven six
three nine
five twelveWork in pairs(3) 表示“十”的基数词20—90 --ty结尾.20—twenty
30---thirty
40—forty
50—fifty
90—ninety Try your best ! speak loudly and quickly! test144050151770901918806016(4) 21—99 2233 thirty-three44 forty-four55 fifty-five99 ninety-nine twenty-two21 twenty-one(5) 101—999 101– one hundred and one840 eight hundred and forty693 six hundred and ninety-three301 three hundred and one(6) thousand 7,000 --- seven thousand16,000 sixteen thousand 80,000 eighty thousand140,00050,0003,000（1）年份的表达法（要用基数词，每两位一读。）
1999—nineteen ninety-nine1875--eighteen seventy-five2007-- two thousand and seven2008-- two thousand and eight17682005 sixteen eighty-two nineteen seventy-four小知识（2）时刻的表达法：(用基数词表示）8:35—eight thirty-five6:20-- six twenty7:05-- seven five10:16-- ten sixteen11:30-- eleven thirty12:48-- twelve forty-eight---When was you born?
---I was born in 1982---When do you usually get up /have lunch/have supper?
---I usually get up at 7:00practise
基变序有规律，词尾加上“－th”．
“一，二，三”，特殊记，面目全非要注意。
八去t，九减e，遇到y变-ie.
若是-ve来结尾，变成f 莫迟疑。
“五，八，十二”和第九，拼写变化要注意。
序数表示“第几十几”，“个位”变序就可以。
序数词缩写记清楚，数字后跟两字母。
二 序数词
fourfourthsixsixtheighteighthnineninthfivefifthonefirsttwosecondthreethirdsevenseventhtententhtwelvetwelfthtwentytwentiethfortyfortieth twenty-one twenty-first thirty-two thirty-second one hundred and ninety-eight one hundre and ninety-eighth序数词缩写形式first1stsecond2ndthird3rdfourth4th twenty-third 23rd eithty-eighth88th日期的表达法： （月+日的序数词）
10月5日—October fifth /5th (October the fifth / the fifth of October)7月20号--July twentieth/20th(July the twentieth/ the twentieth of July)1月1号2月5号8月22号12月23号January twelfth/12th,2007小知识Exercises 一 写出下列数字的基数词和序数词形式。
3 ____ ____ 5______ ______ 8_____ ________
9______ ______ 12______ ______ 21______ ______
40______ _______ 98__________ ____________threethirdfivefiftheighteighthnineninthtwelvetwelfth twenty-one twenty-firstfortyfortieth ninety-eight ninety-eighth二 过关训练
单项选择。
1.Monday is__ ___day of the week.
A.two B. second C. the second D. the first
2. I think the___ _ lesson is very easy to learen.
eleven B. eleventh C.eleventh of
3. This is my _______English teacher.
first B.the first C.first of
4. –What is the date today?
_ _______________.
It is Friday B. It is the fifth day C.It is March fifth
5.Plaese turn to Page_______and look at the _______picture.
A. Thirty; second B. Thirty; two C. Thirtieth; second
CACAB