八年级英语上册 Unit 2 Numbers grammar课件 (新版)牛津深圳版

Unit2NumbersGrammarUnit2NumbersGrammar1Lead-in:answerquestions.1Howoldareyou？I'm

13yearsold.2What'syourtelephonenumber?Mytelephonenumberis

27227854.3Howmanystudentsinyourclass?Howmanystudentsinyourgrade?Thereare

52

studentsinmyclassandabout

310

studentsinourgrade.4Inwhichyearwereyouborn?In

1999/2000/2001.以上的数字都是基数词（cardinalnumbers）.Lead-in:answerquestions.1Ho2A.Doyouknow!Cardinalnumbers12345678171819201112131415169103040528598onetwothreefourfivesixseveneightnineteneleventwelevethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfifty-twoeighty-fiveninety-eightA.Doyouknow!Cardinalnumb3基数词的构成1）1－12,独立成词。

onetwothreefourfivesixseveneightnineteneleventwelve2）13--19,由3－9+

teen构成。14–fourteen16--sixteen17--seventeen19—nineteen特殊拼写:13–thirteen15--fifteen18—eighteen

3）20－90,以-ty结尾。20—twenty30---thirty40—forty50—fifty80---eighty

60---sixty70---seventy90—ninety

4）21－99，两位数，十位与个位之间有“－”。21twenty—one55fifty—five99ninety—nine

基数词的构成1）1－12,独立成词。4Let’splayagame：报数Saynumbersonebyoneaccordingtotheseatorder.按照座位顺序一个接一个报数。报错数的同学站着，并要在小组得分上扣一分。Let’splayagame：报数Saynumbe5100375200onehundredtwohundredthreehundred

andseventy-five642958236sixhundred

andforty-twoninehundred

andfifty-eighttwohundred

andthirty-six5）101—999，三位数，百位与十位/个位之间加and。101onehundredandone840eighthundredandforty693sixhundredandninety-three100375200onehundredtwohundre629,43150076,,thousandhundredmillionbillionand6)1，000以上数目,从右向左每三位用“，”分开,分别读为thousand,million,billion基数词的构成29,43150076,,thousandhundredmi7Readthefollowingnumbers.2,53425,342253,4232,534,233twothousandfivehundredandthirty-fourtwenty-fivethousandthreehundredandforty-twotwohundredandfifty-threethousandfourhundredandtwenty-threetwomillionfivehundredandthirty-fourthousandtwohundredandthirty-three534fivehundredandthirty-four2,250,342,330twobilliontwohundredandfiftymillionthreehundredandforty-twothousandthreehundredandthirtyReadthefollowingnumbers.2,58A.let'sreadit.100015，3624,189onethousandfourthousandonehundredandeighty-ninefifteenthousandthreehundredandsixty-two100，000285，643onehundredthousandtwohundredandfifty-eightthousandsixhundredandforty-threeA.let'sreadit.100015，3624,19A.Cardinalandordinalnumbers1,000,0003,367,982onemillionthreemillionthreehundredandsixty-seventhousandninehundredandeighty-twoA.Cardinalandordinalnumber10WorkouttheruleInthecardinalnumbers,wedonotadd-stohundred,________and________.Withlargenumbers,weput________betweenhundredandten.thousandmillionandWorkouttheruleInthecardin11注意：表示具体、准确的数目时，hundred,thousand,million等数词后不能加-s,如fivehundred,sixthousand,sevenmillion等。

当hundred,thousand等数词与of连用，表示不具体、不准确的数目时，词尾须加-s。如：

thousandsofstudents,millionsoftrees.注意：121、“几十”的复数形式可以表示：

几十多岁----in+one’s+数词复数年代----in+the+数词复数

1)Hediedinhisforties．四十多岁

2)Inthenineties,mostpeoplegotoworkbybike.90年代2、“基数词+名词”的合成形容词作定语，中间有连字符“－”,当中的名词用单数。a3–

year

–oldgirlaseven-dayholiday

3、表计量--“基数词+度量单位+形容词”Theclassroomis7meterslong,6meterswideand3metershigh.基数词的用法1、“几十”的复数形式可以表示：2、“基数词+名词”的合13A.Cardinalandordinalnumbers1st2nd3rd4th5th6th7th8th17th18th19th20th11th12th13th14th15th16th9th10th21st33rd40th100thfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentiethtwenty-firstthirty-thirdfortietyhundredthA.Cardinalandordinalnumber14序数词的构成1)1－3,first,second,third。2)4－19,相应基数词+th,特殊拼写:fifth,eighth,ninth,twelfth。3)20－90,y变成ie+th,如twentieth。4)21－99,只把个位的基数词变成序数词如twenty-first。5)序数词缩写----数字＋最后两字母

如1st,2nd,3rd,4th…序数词的构成1)1－3,first,second,15基变序,有规律,一、二、三，特殊记，面目全非要注意，加th从4起，八少“t”，九去“e”，“ve”要用“f”替，(five,twelve)见“y”变成“i”和“e”，词尾加上“th”，(twenty,thirty,……ninety)若是遇到几十几，只变个位就可以。序数词缩写记清楚,数字后跟两字母。(序数词构成规律)基变序,有规律,(序数词构成规律)16WorkouttheruleWeformmostordinalnumbersbyadding_______tothecardinalnumbers.Thereareexceptions,likefirst,secondandthird.thWorkouttheruleWeformmost17Practicemakesperfect!1(2)____3412(6)____2328MayAlanDannyJanePeterAliceSteveZoeMayisthe(1)_______.Alanisthesecond.Dannyisthe(3)_____.Janeisthe(4)______.Peteristhe(5)______.Aliceisthenineteenth.Seveveisthe(7)______.Zoeisthe(8)_______.firstthirdfourthtwelfthtwenty-thirdtwenty-eighth219序数词前加定冠词thePracticemakesperfect!1MayMay181999nineteenninety-ninetwothousandandeight1949年10月1日读作:

October(the)first,nineteenforty-nine(月-日，年)thefirstofOctober,nineteenforty-nine（日-月，年）写作:October1st,1999(日用缩写，月-日-年)

October1,1999(日用数字)

1stOctober,1999日-月，年年份、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on表示“在…世纪”,用序数词。在20世纪写作：in

20thcentury

读作：inthetwentiethcentury1999nineteenninety-nine年份、日19常考点，易错点第1单元,第5课

Unit1/thefirstunit/

LessonFive/thefifthlesson302号房

Room3029个生日，第9个生日,我的第9个生日nineparties,theninthparty,myninthparty常考点，易错点第1单元,第5课20Makeadialogue:talkaboutthebirthdaysBetty--2JanuaryDavid-30SeptemberCindy--16JuneAlan--3MarchJay--22MaySam--12OctoberA:WhenisBetty'sbirthday?B:ItisonthesecondofJanuary/Januarythesecond.A:IsBetty'sbirthdayonthethetwelfthofJanuary?B:No.It'sonthesecondofJanuary.Makeadialogue:talkaboutthe21B.Instructionaboutnumbers3+99-33*99/3Add3and9Subtract3from9Multiply3by9Divide

9by33plus9equals/is12.9minus3equals/is6.3multiplied

by9equals/is27.9dividedby3equals/is3.3+9=129-3=63*9=279/3=3add,substract,multiply和divide都是动词。plusandminus

都是介词add…and…subtract…from…B.Instructionaboutnumbers3+22Readtheinstructionsaloud.Readtheinstructionsaloud.23B.Instructionaboutnumbers1.S1:Add11and1.

S2:11plus1equals/is12.(11+1=12)2.S1:S_________5______13

S2:______m__________equals/is______.

()3.S1:M______7_______8.S2:____m________by__equals/is___.

()

ubtractfrom13inus5813-5+8ultiplyby7ultiplied8567*8=56B.Instructionaboutnumbers1.244.S1:D_____16______4.

S2:___d______by___equals/is_____.

()5.S1:A______9_______6.S2:____p________equals/is_______.

()6.S1:A__14and4andd_____theanswerby2.

S2:__p_____andd______theanswerby__equals/is_____.

()ivideby16ivided4416/4=4ddand9lus6159+6=15ddivid14lus4ivided29(14+4)/2=94.S1:D_____16______4.ivideb25Competition!全班分为两大组，开展加减乘除对抗赛。由A组向B组提问5道题，例如：72÷9=？，B组回答，然后再交换。注意题目不要太难，如果自己都回答不上来，出题人会被扣分。Competition!全班分为两大组，开展加减乘除26Unit2NumbersGrammarUnit2NumbersGrammar27Lead-in:answerquestions.1Howoldareyou？I'm

13yearsold.2What'syourtelephonenumber?Mytelephonenumberis

27227854.3Howmanystudentsinyourclass?Howmanystudentsinyourgrade?Thereare

52

studentsinmyclassandabout

310

studentsinourgrade.4Inwhichyearwereyouborn?In

1999/2000/2001.以上的数字都是基数词（cardinalnumbers）.Lead-in:answerquestions.1Ho28A.Doyouknow!Cardinalnumbers12345678171819201112131415169103040528598onetwothreefourfivesixseveneightnineteneleventwelevethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfifty-twoeighty-fiveninety-eightA.Doyouknow!Cardinalnumb29基数词的构成1）1－12,独立成词。

onetwothreefourfivesixseveneightnineteneleventwelve2）13--19,由3－9+

teen构成。14–fourteen16--sixteen17--seventeen19—nineteen特殊拼写:13–thirteen15--fifteen18—eighteen

3）20－90,以-ty结尾。20—twenty30---thirty40—forty50—fifty80---eighty

60---sixty70---seventy90—ninety

4）21－99，两位数，十位与个位之间有“－”。21twenty—one55fifty—five99ninety—nine

基数词的构成1）1－12,独立成词。30Let’splayagame：报数Saynumbersonebyoneaccordingtotheseatorder.按照座位顺序一个接一个报数。报错数的同学站着，并要在小组得分上扣一分。Let’splayagame：报数Saynumbe31100375200onehundredtwohundredthreehundred

andseventy-five642958236sixhundred

andforty-twoninehundred

andfifty-eighttwohundred

andthirty-six5）101—999，三位数，百位与十位/个位之间加and。101onehundredandone840eighthundredandforty693sixhundredandninety-three100375200onehundredtwohundre3229,43150076,,thousandhundredmillionbillionand6)1，000以上数目,从右向左每三位用“，”分开,分别读为thousand,million,billion基数词的构成29,43150076,,thousandhundredmi33Readthefollowingnumbers.2,53425,342253,4232,534,233twothousandfivehundredandthirty-fourtwenty-fivethousandthreehundredandforty-twotwohundredandfifty-threethousandfourhundredandtwenty-threetwomillionfivehundredandthirty-fourthousandtwohundredandthirty-three534fivehundredandthirty-four2,250,342,330twobilliontwohundredandfiftymillionthreehundredandforty-twothousandthreehundredandthirtyReadthefollowingnumbers.2,534A.let'sreadit.100015，3624,189onethousandfourthousandonehundredandeighty-ninefifteenthousandthreehundredandsixty-two100，000285，643onehundredthousandtwohundredandfifty-eightthousandsixhundredandforty-threeA.let'sreadit.100015，3624,135A.Cardinalandordinalnumbers1,000,0003,367,982onemillionthreemillionthreehundredandsixty-seventhousandninehundredandeighty-twoA.Cardinalandordinalnumber36WorkouttheruleInthecardinalnumbers,wedonotadd-stohundred,________and________.Withlargenumbers,weput________betweenhundredandten.thousandmillionandWorkouttheruleInthecardin37注意：表示具体、准确的数目时，hundred,thousand,million等数词后不能加-s,如fivehundred,sixthousand,sevenmillion等。

当hundred,thousand等数词与of连用，表示不具体、不准确的数目时，词尾须加-s。如：

thousandsofstudents,millionsoftrees.注意：381、“几十”的复数形式可以表示：

几十多岁----in+one’s+数词复数年代----in+the+数词复数

1)Hediedinhisforties．四十多岁

2)Inthenineties,mostpeoplegotoworkbybike.90年代2、“基数词+名词”的合成形容词作定语，中间有连字符“－”,当中的名词用单数。a3–

year

–oldgirlaseven-dayholiday

3、表计量--“基数词+度量单位+形容词”Theclassroomis7meterslong,6meterswideand3metershigh.基数词的用法1、“几十”的复数形式可以表示：2、“基数词+名词”的合39A.Cardinalandordinalnumbers1st2nd3rd4th5th6th7th8th17th18th19th20th11th12th13th14th15th16th9th10th21st33rd40th100thfirstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentiethtwenty-firstthirty-thirdfortietyhundredthA.Cardinalandordinalnumber40序数词的构成1)1－3,first,second,third。2)4－19,相应基数词+th,特殊拼写:fifth,eighth,ninth,twelfth。3)20－90,y变成ie+th,如twentieth。4)21－99,只把个位的基数词变成序数词如twenty-first。5)序数词缩写----数字＋最后两字母

如1st,2nd,3rd,4th…序数词的构成1)1－3,first,second,41基变序,有规律,一、二、三，特殊记，面目全非要注意，加th从4起，八少“t”，九去“e”，“ve”要用“f”替，(five,twelve)见“y”变成“i”和“e”，词尾加上“th”，(twenty,thirty,……ninety)若是遇到几十几，只变个位就可以。序数词缩写记清楚,数字后跟两字母。(序数词构成规律)基变序,有规律,(序数词构成规律)42WorkouttheruleWeformmostordinalnumbersbyadding_______tothecardinalnumbers.Thereareexceptions,likefirst,secondandthird.thWorkouttheruleWeformmost43Practicemakesperfect!1(2)____3412(6)____2328MayAlanDannyJanePeterAliceSteveZoeMayisthe(1)_______.Alanisthesecond.Dannyisthe(3)_____.Janeisthe(4)______.Peteristhe(5)______.Aliceisthenineteenth.Seveveisthe(7)______.Zoeisthe(8)_______.firstthirdfourthtwelfthtwenty-thirdtwenty-eighth219序数词前加定冠词thePracticemakesperfect!1MayMay441999nineteenninety-ninetwothousandandeight1949年10月1日读作:

October(the)first,nineteenforty-nine(月-日，年)thefirstofOctober,nineteenforty-nine（日-月，年）写作:October1st,1999(日用缩写，月-日-年)

October1,1999(日用数字)

1stOctober,1999日-月，年年份、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on表示“在…世纪”,用序数词。在20世纪写作：in

20thcentury

读作：inthetwentiethcentury1999nineteenninety-nine年份、日45常考点，易错点第1单元,第5课

Unit1/thefirstunit/

LessonFive/thefifthlesson302号房

Room3029个生日，第9个生日,我的第9个生日nineparties,theninthparty,myninthparty常考点，易错点第1单元,第5课46Makeadialogue:talkaboutthebirthdaysBetty--2JanuaryDavid-30SeptemberCindy--16JuneAlan--3MarchJay--22MaySam--12OctoberA:WhenisBetty'sbirthday?B:ItisonthesecondofJanuary/Januarythesecond.A:IsBetty'sbirthdayonthethetwelfthofJanuary?B:No.It'sonthesecondofJanuary.Makeadialo