八年级英语Everyone’s language课件13.ppt

1、Chapter4.Number：Everyones Language 综述综述本单元的阅读部份是关于数字的几篇短文。对本单元的阅读部份是关于数字的几篇短文。对学生来说，学生来说，有些内容是熟悉的，有些内容是熟悉的，有些则是新有些则是新鲜的。教师应充分利用学生的已有知识和兴趣鲜的。教师应充分利用学生的已有知识和兴趣来引导学生进行阅读。对于基数词和序数词，来引导学生进行阅读。对于基数词和序数词，因为学生在小学和中预时已经学过因为学生在小学和中预时已经学过,比较熟悉，比较熟悉，教师应通过对数字运算及数字游戏来加深同学教师应通过对数字运算及数字游戏来加深同学对数词的印象，进而引入对加、减等较陌生数对数

2、词的印象，进而引入对加、减等较陌生数学符号的教学，由浅入深。本篇阅读中还出现学符号的教学，由浅入深。本篇阅读中还出现了一些核心词汇如：了一些核心词汇如：amazing,be made up of 等，也是本篇的教学重点。等，也是本篇的教学重点。本课的任务有两个：学生通过对课文的学习。掌握一些核心词汇，例如，amazing,be made up of等。通过学习课文，了解数，能用英语讲述基本的数学运算。阅读目标阅读目标知识目标知识目标学习课文中重点词、词组、句型和语法。能力目标能力目标通过阅读进一步了解数字，同时能掌握基数词，和序数词的用法。情感目标情感目标通过对数字、符号等学习，唤起同学对数学

3、这门学科的浓厚兴趣。教学方法教学方法采用任务型教学法组织教学，通过听说，讨论等具体活动，达到教学效果。重点和难点重点和难点词汇学习核心词汇：accurate,amazing，angle,at least,be made up of，brain,calculate,calculator,consist of,develop,divide,electronic,especially,even,figure,following,human,invent,invention,odd,powerful,program,time,copy,decision,fellow,not at all拓展词汇：ab

4、acus,bead,calculation,compasses,decimal,fraction,lifetime,living,measure,multiply,percentage,protractor,represent,square root,subtract,announcement,gift,wrongly,graph 句型学习Abacuses are so fast and accurate that people still use them today.Shakuntalas brain took fifty seconds to find the answer教学设计（教学

5、设计（Teaching Designs）Pre-reading 1）复习以前学过的数词，通过游戏使学生对数词有一个熟悉的过程 2）通过brainstorm 和图片来引进一些加，减,等较难的单词，通过这些符号的学习加深对数词的学习，从而达到对本课的理解。同时和平时的数学课联系向学生介绍While-reading 老师与学生一起走进数字世界.同时初步了解整篇课文的布局讲解课文：A.通过图片引入单词 B 接下来的环节是Further understanding of the text。学生在这一环节里，可以用新的单词和句型来讲述文中的数字的形成、计算机和电脑。这个设计安排既可以回顾课文的主要内容，还

6、可以看出学生的理解是否准确，很多精彩的智慧火花会在这一刻出现。C 讨论文章四段大意 D.重点词汇及句式讲解 EConsolidation and conclusion 指导学生完成课文后的P50 Ex C1、C2,C3.课文提问及重点句型的介绍课文提问及重点句型的介绍 Ask questions according to the text:In what way,did people all count in the same way?what did people write in many different ways?Who invented the zero?Why was the z

7、ero a very important invention?Which is one of the first calculating machines?How do people describe the abacuses?Why do we say computers are very powerful?Is a human brain more powerful than a computer?Why?课文讲解课文讲解 at least 意为“至少”，“无论如何；不管怎样”。如：He has waited for you at least 30 minutes.他等了你至少30分钟Yo

8、u might at least answer.你不管怎样该给个答复。at least 的反义词是at most（至多；最多）language是名词，意为“语言”。language 的搭配是speak a language。如：People in different countries speak different languages。不同国家的人说不同的语言。language的常用搭配还有：An official language 官方语言 spoken/oral language口语The Chinese language 汉语 written language 书面语言 2 In an

9、cient times,people wrote numbers in many different ways,as these pictures of the number 6 show.古时候，人们以不同的方式书写数字，正如那些表示数字6的图片所示。Ancient 是形容词，意为“古代的”，“很久以前的”。又如：The ancient Chinese wore different clothes from the modern Chinese.中国古人与现代人穿的衣服完全不同。Ancient 的反义词是modern（a 现代的；现代化的）times 与time 不同，前者表示“某个时代”，

10、而后者表示“时间”。如：In Shakespeares times,not many people could read.在莎士比亚时代，没有多少人认识字。Times 的近义词是age（n 时代）In ancient times 是“在古代”，“很久以前”的意思。我们也可以用long go,long,或 once upon a time来表示“从前”或“很久以前”之意。本例中，as 是个介词，意为“正如”，“像一样”。又如：She works in the same building as my sister 她和我妹妹在同一大楼上班。3 However,they nearly all cou

11、nted in the same wayin tens.然而，它们的计数方式都是一致的十进制。Nearly是个副词，表示“大约”，“接近”，“差不多”的意思。又如：Im nearly 16,its my birthday next week.我就快16岁了，下个礼拜是我生日。Almost 与nearly 意思相近，当与动词、副词、形容词及名词连用时，可互换，如：Its nearly lunchtime=its almost lunchtime。快到午饭时间了。但Almost 可以和no、none、never、nothing 等不定代词连用，而nearly 则不可；nearly 常用在含有not

12、 的否定句中，而almost 则不可与not 单独连用。如：Theres almost no water left in the bottle.瓶子里水快没了。It is not nearly so pretty as it was before 这远不及以前漂亮了。4The system of numbers that nearly everyone uses today consists of the numbers from 1 to 9 and 0(zero).今天几乎所有人使用的数字系统都包含从1到9和0这十个数字。Consist of 是“包括”，“由组成”的意思。consist

13、没有被动语态，因此不可以说成is consisted of。如：The class consists of 22 boys and 18 girls.这个班级是由22个男生和18个女生组成的。Consist of 与be made up of意思相近。因此，上句也可改写为：The class is made up of 22 boys and 18 girls.这个班级是由22个男生和18个女生组成的。5The Indians first invented and developed the 1 to 9 system of numbers.印度人最早发明并建立了从印度人最早发明并建立了从1到

14、到9的数字系统。的数字系统。动词动词invent 是是“发明发明”，“创造创造”之意。如：之意。如：Who invented the bicycle?谁发明了自行车？谁发明了自行车？与之相关的派生词有：与之相关的派生词有：inventor n.发明者；发明家发明者；发明家Thomas Edison was a great inventor in the American history.托马斯托马斯爱迪生是美国历史上一位伟大的发明家。爱迪生是美国历史上一位伟大的发明家。Invention n.发明，发明物发明，发明物Invention作作“发明发明”解时，是不可数名词。如：解时，是不可数名词。

15、如：The invention of telephones and telegrams made the world different.电话与电报的发明使世界不同以往。电话与电报的发明使世界不同以往。Invention 作作“发明物发明物”的解时，是可数名词。如：的解时，是可数名词。如：His 6000 inventions included the electric light,the phonograph.他作出了他作出了6000项发明，包括电灯泡、留声机项发明，包括电灯泡、留声机.动词develop 为“发展”，“开发”之意，如：Some children develop more s

16、lowly than others.有的儿童比其他儿童发育得慢。Develop的派生词有：Development n.发展：The development of modern science and technology makes people lead a more enjoyable life.现代科技的发展使人们享受更幸福的生活。Developed a.发达的The USA is a developed country。美国是发达国家Developing a.发展中的China is a developing country.中国是发展中国家 动词calculate是“计算”之意。如：

17、Can you calculate how much the holiday will cost?你能否计算一下度个假要花多少钱？calculator n.计算器calculation n 计算；计算题解释为“计算”时，calculation为不可数名词。如：Perhaps you have made a mistake in your calculation.你方可能计算有误。解释为“计算题”时，calculation为可数名词，如：All these calculations are based on the data you have provide.所有计算结果都是根据你们提供的数据做

18、出的。calculating a.计算的；与计算有关的calculating machine 计算机calculating businessman精明的商人 accurate是形容词，意为是形容词，意为“准确的，精确的准确的，精确的”accurate的派生词有：的派生词有：accurately ad.正确地，精确地正确地，精确地 accuracy n.精确性，正确度精确性，正确度so that是是“如此如此以至于以至于”的意思，它所引导的是结的意思，它所引导的是结果状语从句。如：果状语从句。如：The desk is so heavy that I cant carry it.课桌太重了，我搬

19、不课桌太重了，我搬不动。动。动词动词represent是是“代表代表”的意思，又如：的意思，又如：we chose a committee to represent us 我们选出一个委员来我们选出一个委员来代表我们。代表我们。representative是是represent的名词形式，是的名词形式，是“代表，代理（人）代表，代理（人）”的意思。的意思。In a flash 是是“在一瞬间在一瞬间”的意思，相当于的意思，相当于very quickly。Whole 在本例中是个形容词，意为在本例中是个形容词，意为“整个的整个的”，“全部的全部的”。又。又如：如：She ate the whol

20、e cake 她把整个蛋糕都吃了她把整个蛋糕都吃了Whole还可以作名词用，意为还可以作名词用，意为“整体整体”。“全体全体”常见的搭配有：常见的搭配有：As a whole 整体来看整体来看She disliked the acting but enjoyed the play as a whole.她不喜欢这部戏的表演，但整体上她还是喜欢这部戏的。她不喜欢这部戏的表演，但整体上她还是喜欢这部戏的。On the whole 总的来说总的来说The weather this month has been good on the whole 这个月这个月天气基本是好的天气基本是好的 介词介词ag

21、ainst在本文中是在本文中是“对着；对立对着；对立”的意思。又如：的意思。又如：They played against a football team from another village.他们跟另一个村的足球队比赛他们跟另一个村的足球队比赛此外，此外，against还可以用来表达如下含义：还可以用来表达如下含义：不喜欢；反对不喜欢；反对Many people are against the plan 很多人都反对这个计划很多人都反对这个计划此时它的反义词为此时它的反义词为for，即表示赞成。即表示赞成。防止；预防防止；预防Have you had an injection agains

22、t the disease?你注射过这种疾病的预防你注射过这种疾病的预防针了吗？针了吗？靠着；倚着靠着；倚着put the cupboard against the wall 把这个橱柜放在靠墙的地方。把这个橱柜放在靠墙的地方。Some people call the brain a living computer 有人把人脑称为有人把人脑称为“活电脑活电脑”Living一词为形容词，解释为一词为形容词，解释为“活着的活着的”“健在的健在的”，又如：，又如：Some people say he is the greatest living writer.有人说他是健在的最伟大有人说他是健在的最

23、伟大的作家。的作家。alive，和，和living这两个词有时会被混淆。以下简述一下它们的区别：这两个词有时会被混淆。以下简述一下它们的区别：通常情况下，通常情况下，alive作表语（作表语（be alive），而），而living一般放在名词前作定语用。一般放在名词前作定语用。如：如：that great man is still alive 那个伟人依然活着那个伟人依然活着all living things一切生物一切生物 Change the following sentencesThis maths problem is too difficult to work out.The ca

24、mera is too expensive for her to buy.Tony is old enough to go to school.The hole is too small for the dog to go into.These vegetables are fresh enough for us to like to eat.The school is too far away for Peter to go on foot.The music is too soft for him to hear.The bird is too high for us to see.Rew

25、rite sentences 1.I spent two days doing this job.2.Tommy paid 25 yuan for this shirt.3.Sandy spent 135 dollars on this bicycle.4 The students of Class Four spent two hours finishing their homework.5.Fangfang paid 100 yuan for all of the books.Chapter 4 Language Teaching Designs Lead in:Warming up/Pr

26、esent cardinal numbers and ordinal numbers/Present Imperative sentencesPractice:Understanding cardinal numbers,ordinal numbers and Imperative sentence/Doing more practiceTeaching procedures:.1.Do quick responses to introduce imperative sentence Read the sums in English Ask the students to look at th

27、e screen and ask them to read the sums in English and try to use different ways to express2.Leading in 在进行了短暂热身练习之后，教师介绍书中基数词最基本的构成方式其他的基数词构成方式1)21-99 先说“几十”，再说“几”中间加连字号：e.g.:23-twenty-three 89-eighty-nine2）101-999:先说“几百”，再加and,再加末两位数（或末位数）e.g.:223-two hundred and twenty-three809eight hundred and ni

28、ne3）1，000以上的数：先从后向前数，每三位数加一“，”，第一个“，”号前为thousand,第二个“，”号前为million,第三个“，”号前为billion,（美式）或thousand million(英式)，然后一节一节表式e.g.:1,001-one thousand and one9,743nine thousand,seven hundred and forty-three750,000,000-seven hundred and fifty million4）序数词一般以与之相应的基数词加词尾th构成，有特别的地方：A:one-firsttwosecondthree-thir

29、dfivefiftheight-eighthnine-ninthtwelve-twelfthB:以-ty结尾的词，要先变y为I，再加-ethe.g.:twentytwentiethfortyfortiethC:以one,two,three,five,eight,nine 收尾的多位数词要照第一条变e.g.:twentytwenty-firstninety-nineninety-ninthD:序数词主要用作定语，前面一般要加定冠词（或物主代词）5)分数词：是以基数词和序数词合成的，基数词代表分子序数词代表分母，除了分子是“1”的情况外，序数词都要用复数 ConsolidationA:填入适当的基

30、数词或序数词：There are_ days in a week.Sunday is the _ day of the week.September is _ month of the year.A clock has _ or_ hands.Summer is the _season of a year.Classes begin at_(8:00)oclock.We are in Class_ Grade_.My schools telephone number is_(59374865)选择题1.Now class,please open your books and turn to_

31、A,32 pagesB,page 32C,32nd pageD,pages 32Mr.White was born_.A,on June 28,1968B,in 28 June,1968 C,in 1968,June 28D,on June 28,in 19683.A:How many people will come to Beijing for the Olympic Games in 2008.B:_A,Million of B,Millions ofC,Two millions ofD,Two million of 4.A:Li Lei,which is _ day of a week

32、?B:Thursday,I think.A,fifthB,the fifthC,fiveD,the five5.She had leaned _ by the end of last term.A,eight hundred English wordsB,eight hundreds English words C,eight hundred English wordD,hundreds of English words6.He wrote _ letter to his parents yesterday.A,a 800 words B,an 800-wordC,an 800-wordsD,

33、a 800-word7.Its a _ walk from my school to home A,twenty minutesB,twenty minutes C,twenty minutesD,twenty-minute8._ of the earth_ covered with water.A,Seventh-tens.areB,Seventh-tens.is B,Seven-tenths-isD,Seven-tenths are9.I didnt think it easy for a young girl to finish so much work in_.A,two days t

34、imeB,two-days time C,two days timeC,two days time10.The famous profess lives on_ floor in Block_.A,four5B,four.5thC,the fourth5 D,the fourth.5thNumbers:Everyones languageOxford English 8AChapter 4One little,two little,three little Indians Four little,five little,six little Indians Seven little,eight

35、 little,nine little Indians Ten little Indian boys hundred Germans-Ten hundred German girls.thousand Russians-Ten thousand Russian boys.million Chinese-Ten million Chinese children.Ten little Indian boysI know what you write What number?+#+=$%+&*+!%&$!#+&+|(&%#?:”*-4%&Yeah,Ive got it.Do you want to

36、know how I can?A puzzle+=0.7928%36.5Name the pictures,signs and numberslook and answer 六六 IIIIII 119 120 114 117 110one two oneI am a superman I am a superman I have the best memoryI have the best memory 6353 7789 6553 7889 6353 8779 139 32464870 139 23644807 139 48702364 208080 210800 200080 218080

37、two one zero zero eight zerosix five five three seven eight eight nineOne three nine four eight seven zero two three six four 119 120 114 117 110208080 210800 200080 2180806353 7789 6553 7889 6353 8779139 32464870 139 23644807 139 48702364Guess the priceHow much does it/do they cost?10?10061 500?650

38、 551 800?1000 888 9,000?:”*-4%&Yeah,Ive got it.Do you want to know how I can?Let me tell you now（+1）2 +3 2 10 4=Homework1.Finish off the exercises in“More practice”on p.602.Do Grammar Practice Book p.253.Write a paragraph with the help of the line graph4.（see the example on p.58 of your book)1.Ancie

39、nt numbers2.The system of numbers3.Calculating machines Abacuses Electronic calculators ComputersBrain against computerDo a calculation1)9+6 7)15+52)15-7 8)7-43)3 x 8 9)(14+4)/24)18/2 10)(19-9)x45)4+11 6)12-4 Do a calculation1)9+6=15 Pair work:2)15-7=8 A:How much is nine plus3)3 x 8=24 six?4)18/2=9

40、B:Nine plus six equals5)4+11=15 fifteen.6)12-4=87)5x6=308)22/2=11Lets read!Lets read!Lets read!Read one by one!1)209 10)0.432)490 11)8.1533)1056 12)45.784)2,000 13)2nd5)35,614 14)55th6)300,000 15)31st7)3,000,000 16)5/68)1,425,632 17)1/109)1.4 18),1/2Do a quiz!1.Is China the biggest country in the wo

41、rld?How big is our country?2.How long is the Yangtze River?3.When is our National Day?When was the New China born?4.When was Nanpu Bridge built?How long is it?5.Whats the address of us school?6.What is the population of China?7.How tall is the Oriental Pearl TV Tower?8.Which mountain is the highest

42、in the world?How high is it?9.What degree is our body temperature?10.How tall is Yao Ming?11.When were you born?Do a surveyThere are _ students in our class._%of us are girls and _%of us are boys._ of us were born in _.The average age is _ years old.The tallest student is _cm and the shortest one is_ cm.The heaviest student is _kg and the lightest one is _kg.The average weight is _kg.About _ of the students live at school.They go home at weekends._ of the students go home every day._ of us go to school by bike._ of the boys like ball games.