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英语八年级上册Unit 2 Numbers评课ppt课件
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这是一份英语八年级上册Unit 2 Numbers评课ppt课件，共37页。PPT课件主要包含了 01 ，课时精讲， 02 ，课时过关，thirds，fifth，hundreds，Tens，fourth，ninth等内容，欢迎下载使用。
语法精讲本单元重点介绍基数词、序数词和简单的数字运算。 基数词和序数词1．基数词表数量，后接可数名词； 序数词表顺序，前面须加the，但当序数词前面有形容词性物主代词或所有格修饰时，不加the。如：three days the third day Tm's third birthday2．序数词的构成，基数词变序数词的规律是在基数词后加-th，有些有特殊变化，分别是：
* 加粗部分为易错数字，注意写法。(口诀：一、二、三特殊记，词尾字母t、d、d；八去t；九减e；f换ve；遇到整十数词，y变ie；遇到几十几，只变个位。)
3．编码时都可用，要注意写法的不同。如：Page One ＝ the first page Wrld War Ⅰ＝ the First Wrld War Part Tw ＝ the secnd part
基数词的习惯用法1．表确切的数据：数词 ＋ hundred/thusand/millin/billin ＋ 名词复数 如：六百本书 six hundred bks; 几百万人 several millin peple2．表大概的数目：hundreds/thusands/millins/billins f ＋ 名词复数如：数百本书 hundreds f bks
3．次数、倍数的表达，如：nce, twice, three times, many times4．分数的表达：分子用基数词，分母用序数词，分子大于1时，分母上的序数词用复数。如：ne fifth，tw thirds，a half ＝ ne secnd, a quarter ＝ ne furth
数字运算的表达如： 9＋3＝12 Add 9 and 3, and yu can get 12.＝ 9 plus 3 is/equals 12.
9－3＝6Subtract 3 frm 9, and yu can get 6.＝ 9 minus 3 is/equals 6.9×3＝27 Multiply 9 by 3, and yu can get 27.＝ 9 times/multiplied by 3 is/equals 27.9÷3＝3 Divide 9 by 3, and yu can get 3.＝ 9 divided by 3 is/equals 3.
惯用语at first 起初 first f all 首先 first name 名字secnd-hand 二手的 f the tw/three 在两/三个当中 in tws and threes 三三两两in ne's thirties 在某人三十几岁的时候 in the 21st century 在21世纪a secnd/third… 再一……；又一…… in the 1970s 在二十世纪七十年代
( )1．(2023·山东期末)The girl is _______ years ld.Tday is her _______ birthday.A．nine；nineB．ninth；ninthC．ninth；nineD．nine；ninth( )2．(2023·天津期末)My little brther was brn in _______．He will celebrate his _______ birthday next week.A．1990; eighteenB．1990s; eighteenthC．the 1990s; eighteenD．the 1990s; eighteenth
( )3．(2022·吉林期中)My mther will be _______ years ld next week．I'm planning t buy a gift fr her _______ birthday.A．furty; furtiethB．frty; frtiethC．furty; frtiethD．frty; furtieth( )4．(2022·辽宁期中)In the early _______ century, the first trains began t carry passengers.A．nineteenthB．nineteenC．nineD．ninetieth
( )5．(2023·广东期末)There are _______ f students in ur grade and _______ f them are girls.A．hundreds; tw hundredB．hundred; tw hundredsC．hundreds; tw hundredsD．hundred; tw hundred
用括号内所给词的适当形式填空。1．It's said that abut tw ______ (three) f the earth is cvered with water.2．—Where is Class Five?—It is the _____ (five) classrm n the left.3．We planted _________ (hundred) f trees last year.4．_____ (ten) f thusands f students tk the cllege entrance exam n time n the mrning f June 7th in Suth China, thugh it rained heavily.
5．T finish the task, we've tried three times, and after dinner we'll try a ______ (fur) time.6．—Hw ld is yur daughter?—Nine.We had a special party fr her ______ (nine) birthday yesterday.7．Unit Six is easy but the________ (seven) unit is difficult.8．This tall building has twelve flrs.And Tny lives n the _______(twelve) flr.
9．Linda's mther lks yung, but actually she is in her_______ (sixty)．10．—When did yu start t cllect stamps?—I gt my_____ (ne) stamp when I was seven years ld.
请用be动词的正确形式填空。1．A large amunt f mney _____ spent n pandemic preventin last year.2．There ___ an amunt f water in the tank.3．A number f students _____ playing nw.4．The number f the by students in ur class __ very small.5．9 minus 3 ___ 6.
语法填空。阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式，并将答案填在相应的答题位置上。 (2022·深圳第二实验学校期中)Fibnacci，an 1．_______(Italy)，brught the number zer，alng with the rest f Arabic numbers，back frm his travels t nrthern Africa.Hwever，the histry f zer 2．______ (g) far deeper int histry.There are at least tw discveries (发现) r 3．__________ (invent) f zer.It's said that zer came frm
a place f the Middle East.It first 4．_____(get) t Babyln between 400 BC and 300 BC.Befre it develped in India，it went thrugh nrthern Africa, 5．_____then crssed frm Italy t Eurpe.At first，zer wrked 6．____ a way t tell 1 frm 10 r 100 t give 7．____ example f using Arabic numbers.But that was nt a full zer.A full zer was a number by 8．_______( it)．It was the average (平均数) f －1 and 1.It began t be a number in India in the 9．_____( five) century AD.The secnd appearance f zer happened in Mayan culture，prbably in the first few centuries AD.An even 10．_______(early) appearance f zer is used t mean an empty number abut 4，000 t 5，000 years ag.
一、根据提示用适当的数词填空(请用英文单词而不是数字填空)。1．When he mved t Germany in the _______ (40)，he was already in his _______ (60)．2．December is the ________ mnth f the year.3．There are _____ (9) flrs in this building．I live n the ______ (9) flr.
4．Tw f the three rulers are brken．I want t buy a _______ ne.5．She knws a lt abut China as she has been t China fr _____ (5) times.6．Abut ___________ (2/3) f the surface f the Earth is cvered by water.
7．I gt a bike n my _________ (15) birthday.8．This is Mr White's ______ (3) visit t Beijing．He has been there twice befre.9．— Hw many times shuld I take the medicine, Mum?— _______ (2) a day.10．Our classrm is n the ______ (5) flr.
二、单项选择。( )1．________ peple in the wrld are sending infrmatin by e-mail every day.A．Several millinB．Millin fC．Several millins
( )2．It will take ________ time t finish the wrk.A．ne and a half years'B．a year and halfC．ne and a half year's( )3．—Hw lng will yu stay here?—Fr ________.A．ne and tw daysB．ne r tw dayC．a day r tw
( )4．My brther lives in ________ n ________ flr.A．six Rm; secndB．Rm Six; the secndC．Rm six; tw flr( )5．This tk place in the ________.A．1940B．1940sC．1940es
( )6．It is nly ________ frm my hme t the train statin.A．ten minutes walk B．ten-minutes walk C．ten minutes' walk
( )7．The water behind the Three Grges Dams shuld be ________ higher than dwnstream.A．sixty-five metre B．sixty-fifth metre C．sixty-five metres
( )8．There are ________ days in a year.A．three hundred sixty-fiveB．three hundred and sixty fiveC．three hundred and sixty-five
( )9．—Hw many teachers are there in yur schl?—Abut ________， but I'm nt sure.A．hundredsB．hundredC．ne hundred
( )10．There are ________ dctrs and nurses wrking hard in that hspital.A．thusandB．tw thusandC．tw thusands
( )11．— What's ne furth and a half, d yu knw? — Yes, it's ________.A．tw sixthsB．three furthsC．ne three
( )12．Nw children, turn t Page ________ and lk at the ________ picture in Lessn Tw.A．twentieth; neB．twenty; neC．Twenty; first
三、语法填空。阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式，并将答案填在相应的答题位置上。(2023·襄阳襄州期末试题)As a teenager，yu shuld always take gd 1._______(care) f yurself.If yu are ging t travel withut yur family, keep the 2._________(advise) in mind.And yu'll have a gd time．
First，chse a right place.Yu can ask thers fr infrmatin.If everyne says ne place is 3.__________(danger), yu can't g there．Secnd，ask a friend 4._______ (jin) yu.The jurney will be easier and mre interesting 5.___ yu g with a friend wh has much experience (经验)．Fr example, if yu are a persn wh always frgets things 6._______ (easy), yur friend can help yu a lt．
语法精讲本单元重点介绍基数词、序数词和简单的数字运算。 基数词和序数词1．基数词表数量，后接可数名词； 序数词表顺序，前面须加the，但当序数词前面有形容词性物主代词或所有格修饰时，不加the。如：three days the third day Tm's third birthday2．序数词的构成，基数词变序数词的规律是在基数词后加-th，有些有特殊变化，分别是：
* 加粗部分为易错数字，注意写法。(口诀：一、二、三特殊记，词尾字母t、d、d；八去t；九减e；f换ve；遇到整十数词，y变ie；遇到几十几，只变个位。)
3．编码时都可用，要注意写法的不同。如：Page One ＝ the first page Wrld War Ⅰ＝ the First Wrld War Part Tw ＝ the secnd part
基数词的习惯用法1．表确切的数据：数词 ＋ hundred/thusand/millin/billin ＋ 名词复数 如：六百本书 six hundred bks; 几百万人 several millin peple2．表大概的数目：hundreds/thusands/millins/billins f ＋ 名词复数如：数百本书 hundreds f bks
3．次数、倍数的表达，如：nce, twice, three times, many times4．分数的表达：分子用基数词，分母用序数词，分子大于1时，分母上的序数词用复数。如：ne fifth，tw thirds，a half ＝ ne secnd, a quarter ＝ ne furth
数字运算的表达如： 9＋3＝12 Add 9 and 3, and yu can get 12.＝ 9 plus 3 is/equals 12.
9－3＝6Subtract 3 frm 9, and yu can get 6.＝ 9 minus 3 is/equals 6.9×3＝27 Multiply 9 by 3, and yu can get 27.＝ 9 times/multiplied by 3 is/equals 27.9÷3＝3 Divide 9 by 3, and yu can get 3.＝ 9 divided by 3 is/equals 3.
惯用语at first 起初 first f all 首先 first name 名字secnd-hand 二手的 f the tw/three 在两/三个当中 in tws and threes 三三两两in ne's thirties 在某人三十几岁的时候 in the 21st century 在21世纪a secnd/third… 再一……；又一…… in the 1970s 在二十世纪七十年代
( )1．(2023·山东期末)The girl is _______ years ld.Tday is her _______ birthday.A．nine；nineB．ninth；ninthC．ninth；nineD．nine；ninth( )2．(2023·天津期末)My little brther was brn in _______．He will celebrate his _______ birthday next week.A．1990; eighteenB．1990s; eighteenthC．the 1990s; eighteenD．the 1990s; eighteenth
( )3．(2022·吉林期中)My mther will be _______ years ld next week．I'm planning t buy a gift fr her _______ birthday.A．furty; furtiethB．frty; frtiethC．furty; frtiethD．frty; furtieth( )4．(2022·辽宁期中)In the early _______ century, the first trains began t carry passengers.A．nineteenthB．nineteenC．nineD．ninetieth
( )5．(2023·广东期末)There are _______ f students in ur grade and _______ f them are girls.A．hundreds; tw hundredB．hundred; tw hundredsC．hundreds; tw hundredsD．hundred; tw hundred
用括号内所给词的适当形式填空。1．It's said that abut tw ______ (three) f the earth is cvered with water.2．—Where is Class Five?—It is the _____ (five) classrm n the left.3．We planted _________ (hundred) f trees last year.4．_____ (ten) f thusands f students tk the cllege entrance exam n time n the mrning f June 7th in Suth China, thugh it rained heavily.
5．T finish the task, we've tried three times, and after dinner we'll try a ______ (fur) time.6．—Hw ld is yur daughter?—Nine.We had a special party fr her ______ (nine) birthday yesterday.7．Unit Six is easy but the________ (seven) unit is difficult.8．This tall building has twelve flrs.And Tny lives n the _______(twelve) flr.
9．Linda's mther lks yung, but actually she is in her_______ (sixty)．10．—When did yu start t cllect stamps?—I gt my_____ (ne) stamp when I was seven years ld.
请用be动词的正确形式填空。1．A large amunt f mney _____ spent n pandemic preventin last year.2．There ___ an amunt f water in the tank.3．A number f students _____ playing nw.4．The number f the by students in ur class __ very small.5．9 minus 3 ___ 6.
语法填空。阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式，并将答案填在相应的答题位置上。 (2022·深圳第二实验学校期中)Fibnacci，an 1．_______(Italy)，brught the number zer，alng with the rest f Arabic numbers，back frm his travels t nrthern Africa.Hwever，the histry f zer 2．______ (g) far deeper int histry.There are at least tw discveries (发现) r 3．__________ (invent) f zer.It's said that zer came frm
a place f the Middle East.It first 4．_____(get) t Babyln between 400 BC and 300 BC.Befre it develped in India，it went thrugh nrthern Africa, 5．_____then crssed frm Italy t Eurpe.At first，zer wrked 6．____ a way t tell 1 frm 10 r 100 t give 7．____ example f using Arabic numbers.But that was nt a full zer.A full zer was a number by 8．_______( it)．It was the average (平均数) f －1 and 1.It began t be a number in India in the 9．_____( five) century AD.The secnd appearance f zer happened in Mayan culture，prbably in the first few centuries AD.An even 10．_______(early) appearance f zer is used t mean an empty number abut 4，000 t 5，000 years ag.
一、根据提示用适当的数词填空(请用英文单词而不是数字填空)。1．When he mved t Germany in the _______ (40)，he was already in his _______ (60)．2．December is the ________ mnth f the year.3．There are _____ (9) flrs in this building．I live n the ______ (9) flr.
4．Tw f the three rulers are brken．I want t buy a _______ ne.5．She knws a lt abut China as she has been t China fr _____ (5) times.6．Abut ___________ (2/3) f the surface f the Earth is cvered by water.
7．I gt a bike n my _________ (15) birthday.8．This is Mr White's ______ (3) visit t Beijing．He has been there twice befre.9．— Hw many times shuld I take the medicine, Mum?— _______ (2) a day.10．Our classrm is n the ______ (5) flr.
二、单项选择。( )1．________ peple in the wrld are sending infrmatin by e-mail every day.A．Several millinB．Millin fC．Several millins
( )2．It will take ________ time t finish the wrk.A．ne and a half years'B．a year and halfC．ne and a half year's( )3．—Hw lng will yu stay here?—Fr ________.A．ne and tw daysB．ne r tw dayC．a day r tw
( )4．My brther lives in ________ n ________ flr.A．six Rm; secndB．Rm Six; the secndC．Rm six; tw flr( )5．This tk place in the ________.A．1940B．1940sC．1940es
( )6．It is nly ________ frm my hme t the train statin.A．ten minutes walk B．ten-minutes walk C．ten minutes' walk
( )7．The water behind the Three Grges Dams shuld be ________ higher than dwnstream.A．sixty-five metre B．sixty-fifth metre C．sixty-five metres
( )8．There are ________ days in a year.A．three hundred sixty-fiveB．three hundred and sixty fiveC．three hundred and sixty-five
( )9．—Hw many teachers are there in yur schl?—Abut ________， but I'm nt sure.A．hundredsB．hundredC．ne hundred
( )10．There are ________ dctrs and nurses wrking hard in that hspital.A．thusandB．tw thusandC．tw thusands
( )11．— What's ne furth and a half, d yu knw? — Yes, it's ________.A．tw sixthsB．three furthsC．ne three
( )12．Nw children, turn t Page ________ and lk at the ________ picture in Lessn Tw.A．twentieth; neB．twenty; neC．Twenty; first
三、语法填空。阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式，并将答案填在相应的答题位置上。(2023·襄阳襄州期末试题)As a teenager，yu shuld always take gd 1._______(care) f yurself.If yu are ging t travel withut yur family, keep the 2._________(advise) in mind.And yu'll have a gd time．
First，chse a right place.Yu can ask thers fr infrmatin.If everyne says ne place is 3.__________(danger), yu can't g there．Secnd，ask a friend 4._______ (jin) yu.The jurney will be easier and mre interesting 5.___ yu g with a friend wh has much experience (经验)．Fr example, if yu are a persn wh always frgets things 6._______ (easy), yur friend can help yu a lt．
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