第七次课六年级数词1课件传

1、小英-王欢第三章 数词seven kidsBus Threethe first prize 定义： 表示数目多少或 顺序的词叫数词益智文化基数词考点01：基数词的表示方法one pentwelve clocksfour books1. 112的基数词如下： one1、two2、three3、four4、five5、six6、seven7、 eight8、nine9、ten10、eleven11、twelve12 表示数目多少的 数词叫基数词Im eighteen now.2. 1319,由基数词+后缀-teen构成： thirteen13、fourteen14、fifteen15、 sixte

2、en16、 seventeen17、eighteen18、nineteen19She spent seventeen years as a teacher.Thirty of them are Party members.3. 2090等十位数均由基数词+后缀-ty构成： twenty20、thirty30、forty40、fifty50、 sixty60、seventy70、eighty80、ninety90There are fifty stars on the American flag.There are twenty-six letters in English.4. 几十几由表示几

3、十的基数词+表示几的基数词 构成，中间须有连字符“-”There are fifty-six peoples in our country.one hundred5. 百位数的读法：由基数词+hundred构成，如 包含十位数及个位数，中间用and连接four hundred and twenty-fivethree hundred and seven6. 百位数的读法：由基数词+thousand构成， 如包含百位，十位及个位按照百位读法two thousand and eightthirty-five thousand four hundred and fifty-sixten thousa

4、nd one hundred and one7. 百万位数的读法：由基数词+million构成，如 包含千位，百位，十位及个位按照千位数读法one millionthree million four hundred and twenty-one thousand five hundred and fifty-onetwo million three hundred thousand8. 千万位数的读法：由基数词+billion构成，如 包含百万，千位，百位，十位及个位按照百 万数的读法sixty billioneight thousand billionfive hundred billion

5、读出下列数字的英文表达9 1886 90306 6714321即学即练nineninetyeighty-sixeighteensix hundred and seventy-onethree hundred and sixfour thousand three hundred and twenty-one读出下列数字的英文表达76543211987654321即学即练seven million six hundred and fifty four thousand three hundred and twenty-oneone billion nine hundred and eighty-s

6、even million six hundred and fifty-four thousand three hundred and twenty-one-Excuse me,how does this number 20135 read?- It reads_.A. twenty thousands one hundred and thirty-fiveB. twenty thousand one hundred thirty-fiveC. twenty thousand one hundred and thirty-fiveD. twenty thousands one hundred t

7、hirty-five即学即练Summary考点02：时间表示法12:00twelve oclocksix thirty6:30nine fifteen9:151. 顺时针读法，即按顺序读出几点几分pastto30分几点差几分几点过几分5:05five past fivethirty/half past six 6:30fifteen/a quarter past nine 9:1515分钟可用a quarter表示30分钟可用half表示2. 逆时针读法，表示几点过几分： 万能公式：分钟+past+时 （分钟30）5:35twenty-five to sixfifteen/a quarter

8、to six 5:45two to six5:5815分钟可用a quarter表示30分钟可用half表示3. 逆时针读法，表示几点差几分： 万能公式：（60-分钟）+to+（时+1） （分钟30）写出下列时间的英文表达 8：30 5:28 9:10 6:45 2:30即学即练eight thirtynine ten five twenty-eighthalf past eighttwo thirty six forty-fivea quarter past seventwenty-eight past fiveten past ninehalf past twoTips: 说差可用to,

9、说过只用past。1.-“What time do you usually get up, John?” -“I usually get up at _.”half past six B. half to six C. half after six 2. Its already 7:40 now. When will the film start? _. We still have five minutes. A. A quarter to seven B. Seven past forty-five C. A quarter to eight即学即练Summary时间类型表示法例读法整点基数

10、词 + oclock1:0030分钟分钟 + past + 时 2:10= 30 分钟half + past + 时3:3030分钟（60-分钟）+ to +（时 + 1）4:40= 15 分钟= 45 分钟5:156:45简化法按顺序读基数词7:50one oclockten past twohalf past threetwenty to fivea quarter past fivea quarter to sevenseven fiftya quarter + past + 时a quarter + to + （时 + 1）Tips: 具体时刻前用介词atSummary考点03：表示不

11、确定的数目There are two hundred students in the hall.There were thousands of people in the race. 两百（确定的数目） 成千上万的（不确定的数目） hundred thousand million billion基数词 +表示确定的数目Tips: 有数字，无s无of hundreds thousands millions billions+ of表示不确定的数目Tips: 无数字，有s，加of常见的不确定数目的表达有：hundreds of 成百上千的thousands of 成千上万的millions of

12、数以百万的1. We planted trees last year. A. hundreds of B. hundred of C. five hundreds D. five hundred of2. Jackie Chan has donated_ dollars to charity. He is an example to us all. A. thousand B. thousands C. thousand of D. thousands of 即学即练3. _ of volunteers will be needed for 2014 International Horticu

13、lture Exposition in Qingdao. Lets go and _ them. A. Thousands, join B. Thousand, be a member of C. Three thousand, take part in D. Thousands, be in即学即练4. How many teachers are there in your school? About four_. A. hundreds of B. hundred C. hundreds5._volunteers sent books to a mountain village schoo

14、l on Childrens Day. A. Two hundreds of B. Two hundred of C. Two hundreds D. Two hundred即学即练Summary考点04：表示人的不确切年龄He became a professor in his fifties.Our English teacher is in her thirties.数词表示人不确切的年龄，用几十的复数形式常用结构：in ones +几十的复数形式 His father joined the Party in_ and died in _. A. 1930s; his fifty B.

15、1930; his fifty C. the 1930; fifty D. the 1930s ;his fifties即学即练Tips:in ones +几十的复数形式表示“在某人几十岁的时候”Summary考点05：加减乘除表示法+=+=One plus one is two.Two plus two is four.1.“加”用plus，and表示； “等于”用is，make，equal等词表示Ten minus six is four.Take six from ten and the remainder is four.2.“减”用minus或take from表示-=Three t

16、imes four is twelve.Multiply three by four, we get twelve.3.“乘”用time（动词）或multiply表示+=Sixteen divided by four is four.4.“除”用divided表示，常用结构：divided by= We all know that two and one is three. Here “is” means“_”. A. = B. % C. D. 即学即练 -If a=4,b=5,whats the answer to the question “a+2ab+1=?” -_. A. Forty

17、B. Forty-five C. Twenty-three D. One hundred and twenty-one即学即练Summary考点06：数词表示小数four point nine sixone thousand and one point five four.thirty-four point zero eight “.” point小数点前的数按照基数词读，小数点读作point。小数点后的数，按照个位基数词逐个读。 写出下列数字的表达 7.29 10.56 628.1345即学即练seven point two nineten point five sixsix hundred

18、 and twenty-eight point one three four fiveSummary考点07：数词表示百分数 “%” 读作 percentone percentfifty percentone hundred percent百分数读法：基数词+percent 写出下列数字的表达 5% 52% 87% 126%即学即练five percentfifty-two percenteighty-seven percentone hundred and twenty-six percentSummary益智文化真题演练1. We get up at _ in the morning an

19、d go to bed at_ at night. A. fifteen past six; four minute to nine B. a quarter past six; four to nine C. a quarter passed six; four-minute to nine D. six fifteen; four to nine oclock 2. The Mississippi is _ kilometers long. A. six thousand, two hundred, sixty-two B. six thousands, two hundreds and sixty-two C. six thousand and two hundreds and sixty-two D. six thousand, two hundred and sixty-two真题演练3. It took _ people three months to build this great building. A. two hundreds B. hundred of C. hundreds of D. two hundred of4. Tonys mum looks young and beautiful. Its hard