百分数与小数的互换教学课件

1、百分数与小数的互换百分数与小数的互换热身运动:你能把下面的小数化成分数吗？ 0.731 1.990.1 0.23热身运动: 0.731 你能把下面的分数化成小数吗？0.70.510.3741.3你能把下面的分数化成小数吗？0.70.510.3743.把下面的分数化为百分数.7%35%1.8%287%3.把下面的分数化为百分数.7%35%1.8%28727%124%0.4%23 谁能帮我们按从大到小的顺序排列?小数百分数你可以把它们变成同一类型的数吗？情景导入27%124%0.4%23 谁能帮我小数百分数 小数点向右移动两位,加上%0.250.1231.425%12.3%14

2、0%你发现了什么？小数百分数 小数点向右移动两位,加上%0.250.1231.解决问题:你能把下面的小数化成百分数吗？0.38 1.0538%300%5.5%105%0.055 3解决问题:0.38 1.0小数百分数 27%124%0.4%0.271.240.004你发现了什么？去掉% ,小数点向左移动两位小数百分数 27%124%0.4%0.271.240.解决问题:1.把下面各个百分数化成小数.15% 80%3.5% 135%0.150.0350.81.35解决问题:15% 80%027%124%0.4%23从大到小排列：27%124%0.4%23从大到小排列：小数百分

3、数小数点向右移动两位,加上%去掉% ,小数点向左移动两位小数百分数小数点向右移动两位,加上%去掉% ,小数点向左移动比较大小:0.52 52% 1.2 12.3%254% 0.254 0.25% 0.025比较大小:0.52 52% 把相等的数用线连起来：0.2572%0.415106%1.317.6%130%0.17625%0.721.0641.5%把相等的数用线连起来：0.25130%判断，对的打“”，错的打“”。1、1.041= 1041% （ ）2、2%= 0.02 （ ）3、100%= 1 （ ）4、300%= 0.3 （ ）5、0.8%= 0.08 （ ）判断，对的打“”，错的打“

4、”。1、1.041= 1041欢迎指教欢迎指教Chapter1 Body language Chapter1 Body language speakingringingwritingtypingSpoken languageWritten languageBody languageWays of communicating gesturingspeakingringingwritingtypingSp Body language: gestures & expression Body language: gestures & exp gesture 手势，姿势n.body language:g

5、esture & expression thumbs upgood job / the number one gesture 手势，姿势n.body language gesture 手势，姿势n.OKbad gesture 手势，姿势n.OKbad gesture 手势，姿势n.Come here.Be quiet! gesture 手势，姿势n.Come here.Be expression 表情，神态shockedthoughtful expression 表情，神态shockedthough expression 表情，神态 excited tired expression 表情，神态

6、 excited tiresurprisedBody language shows different feelings. angry sadIts unfair!Wheres myMum?I won a tour around world?surprisedBody language shows d disappointed adj. be disappointed at sth.Jay was disappointed at the bad news.disappointedWhy cant I find a good job? disappointed adj.disappointeLo

7、ok at the photo and skim the story to find out: 1. What is the main topic of the story? 2. Where are Debbie and Simon? Body language.They are at work, in the office of a travel agency.Look at the photo and skim the3. Who gives Simon advice? 4. In the photo, which person looks more friendly, the boy

8、or the girl?A senior employee, Mr Young.The girl (Debbie).3. Who gives Simon advice?A se Read the story and complete the chart:nameBody language outcomeDebbieSimonsit up and hold head up, make eye contact with the customers, always smile, greet cheerfully look friendly, make others feel welcome rest

9、 head on hand, look downwards, never smile, look unfriendly, make others go away Read the story and complete well-dressed 穿着讲究的adj.People are well-dressed at the wedding. well-dressed 穿着讲究的adj.People enter 进入,登台 v.Dont enter the office without knocking.exit 退出,退场 v.出口 n. entrance 入口 n.exit visa出境签证

10、fire exit安全出口 enter 进入,登台 v.Dont enter th glance at 匆匆一看浏览报纸 glance at the newspapers greet 和某人打招呼，迎接v. greeting 问候，欢迎n.People in France greet friends with kissing instead of shaking hands. glance at 匆匆一看浏览报纸 greet 和某人打 sigh 叹气 v. / n.How can I lose my weight?,he sighed.Miss Cat left with a sigh.Poo

11、r guy! sigh 叹气 v. / n.How can I losWhats up, Simon?Whats up?= Whats the matter? a senior employee一位级别较高的职员 senior: holding a higher position employee: a person who is paid to work for other peopleWhats up, Simon?Whats up? a prefer A (to B)选择(而不选择)你想喝什么，茶还是咖啡？Which would you prefer, tea or coffee?我想喝

12、茶，不想喝咖啡I prefer tea to coffee.她愿意步行，不愿意骑车She prefers walking to cycling.The customers always prefer Debbie to me. prefer A (to B)选择(而不选择)TheIts the way you communicate. communicate with sb. 与某人沟通Parents should always communicate with their children. communication沟通，交流 n.Speech is not the only method

13、 of communication. 语言并不是唯一的沟通方式Its the way you communicate. I dont even get a chance to speak to them.我甚至没有和他们说话的机会get a chance有机会take a chance冒一冒险, 碰碰运气,by chance偶然, 意外地I met an old friend by chance.I dont even get a chance to sSpeech is not the only way we communicate.语言并不是我们唯一的沟通方式.Its the way yo

14、u stand and sit.定语从句它是你站立和坐姿的方式。Speech is not the only way we 那是一种怎样的语言?What kind/sort of?什么类型？What kind/sort of shoes would you like?What kind of language is that?那是一种怎样的语言?What kind of languagYou whole appearance communicates things.你的整体外貌都能传达信息appearance外观，外貌出现n.Dont judge by appearances.切勿以貌取人 a

15、ppear出现 v.He didnt appear until 9pm.直到点他才出现You whole appearance communicaHe rests his head on his hand.rest 被支撑，托v.He doesnt look up.He never smiles.Simon He does not make a good impression on people. make a good imopression on sb. 给某人留下好印象He rests his head on his hand. make eye contact with 与某人眼神交流

16、She is holding her head up.She smiles.She makes eye contact with the customers.Debbie make eye contact with 与某人眼神交 It is important to make eye contact with your teamplayers when playing basketball. make eye contact with 与某人眼神交流 It is important to make eye cWithout hesitation, she went to Simon and g

17、ave him a big smile. hesitation 犹豫 n.She agreed without hesitation.她毫不犹豫地同意了 hesitate犹豫 v.Dont hesitate to tell us if you have a problem.你有问题就直截了当地告诉我们。Without hesitation, she went tShe wanted to remind me that tomorrow is her birthday. remind 提醒 v.Do I have to remind you again?需要我再次提醒你吗？ remind sb

18、of sth.提醒某人某事This song reminds me of my hometown.这首让我想起了我的家乡 reminder提示信，通知信 n.She wanted to remind me that tC Find the meaning1. d2. f3. a4. c5. e6. bC1C21. sighed2. appearance3. without hesitation4. part-time5. gestures6. speechC Find the meaning1. dC1C21. sD Read and thinka Mr Young said that bod

19、y language is important.b The lady walked over to Debbie instead of Simon.c Simon began to sit up and smile.d A well-dressed lady entyered the travel agency.e Simons sister came to remind hm of her birthday.f SImon sighed.g Mr Young said that Simon looked dwon and never smiled.4261735D Read and thin

20、ka Mr Young saD2 Read the story again and answer the following questions.1 Why was Simon unhappy?2 What are the two ways of communication inthe story?The customers always prefer Debbie to him.Speech and body language.D2 Read the story again and an3 What is body language, according to Mr Young?4 Why

21、did the customers not go to Simon? Its the way someone stands and sits. Its gestures and the expression on someonesface and in his or her eyes.He didnt make a good impression on the customers.3 What is body language, accor5. Did Mr Young think Debbie had good bodylanguage? Why?6. Did Simon take Mr Y

22、oungs advice? What did he decide to do?No. Because he often rest his head on hishand. He doesnt look up. He never smiles. Yes, he did. He decided to improve his body language.5. Did Mr Young think Debbie h1. Sarah glanced at the news and said nothing.Sarah quickly read the news and said nothing.2. The picture reminded me of my ch