Chapter 4 The world of numbers（通用2篇）

Chapter 4 The world of numbers 篇1

　　chapter 4 the world of numbers

　　(intensive reading)

　　teaching aims:1.      to get furthering learning about the passage, learn the 12 phrases in the text.2.      know how to use the phrases.3.      to learn how numbers developed with the times.teaching key point:the 12 phrases in the textteaching difficult points:1.      phrase: help sb. do sth.2.      recite the passage.teaching procedures:步驟目的教師活動(dòng)學(xué)生活動(dòng)條件/手段step1. revisioncheck the homework and prepare for the lesson.1. guide the students to use reading skills. (it is a passage about a clock.)tell and check the answers of this reading.blackboard step2.lead-in 1.get close to the ss 2. create an easy atmosphere 3. lead into the lesson1. ask ss what’s the topic of the passage? (a clock) 2. show a clock to show we use numbers to tell the time. ask ss “where can we see numbers?”1. answer the question. 2. free talk: “where can we see numbers?”computerstep3.intensive reading 1.            get the further learning about numbers. 2.            get the idea how ancient people wrote numbers in many different ways. 3.       train the ss’ intonation; get a better understanding of the character. 4.       educate ss to be careful. 5.       educate ss’ ability of analysis. 6.       educate ss’ ability of analysis. 7.       the computers are very powerful.

　　8.       train their discussing ability.

　　1.       ask students to answer a question: how many languages do you know?2.       a. ask students to read para1 to understand how ancient people wrote numbers in many different ways. (show a picture of different numbers)b.      ask ss to find the similar of ancient numbers.3.       ask a student to read para2. and the other students to correct his or her intonation. and then show a picture to help the ss to understand what the system of numbers today is. ask a question: what’s the importance of the invention of the zero?4.       ask ss to read para 3to six. ask: how many calculating machines are there in the book?5.       analysis the abacus’s features.

　　6.       explain the modern electronic calculator. focus on its functions.

　　7.       show a computer, ask two questions: a. how do people think of the computer? b.  how fast can a computer do a calculation?

　　8.       show a form; ask students to consolidate each calculating machine’s formation and functions. 1.       answer the question and then read the headline and then try to recite it. 2.       read para1 and find ancient people wrote numbers in different ways by the help of the picture. 3.       read and answer the questions. 4.       with the help of the pictures in the book, the students try to get the sense of the development of calculating machines. 5.       see the picture, to say out “the beads on the wires stand for…” 6.       see the picture, and say out “it can add, subtract…” 7.       find the answers in the textbook.

　　8.       discuss in the group and fill in the form.

　　computer and text book showing pictures computer showing a picture. showing pictures showing a picture showing a picture the text book. computerstep3 language pointsconsolidation1.       read the phrases 2.       do three exercises: a.       phrases b.       fill in the blanks with the phrases to summarize the passage.1. read the phrases and finish the exercises.computer pictures

　　step4 using languagetell ss how numbers developed with the times3.       show some pictures of umbers.discuss the development of numbers.picturesstep4homeworkconsolidation1.       listen and read the text, recite the phrases 2.       try to recite the passage according to the pictures

Chapter 4 The world of numbers 篇2

　　chapter 4 the world of numbers

　　listening & speaking

　　by ding yuan  丁園

　　 theanalysis of the text

　　1. background on the reformation of curriculum, this text book emphasizes much on cultivating students’ interests of learning english by using materials in our real daily life. and it also encourages the communicative and cooperative way of study.

　　2. this chapter is a very essential unit, not only because the topic of numbers is a common used one in almost all the english examications, but also because it is an important elements in our daily life.

　　3. listening and speaking skills about numbers are always the focuses and difficult points in english language teaching and learning.

　　there are 5 sections in this chapter：

　　reading, listening, language, speaking, writing. in order to address the needs of my students more effectively, i would like to adapt the text into 4 parts:

　　reading——needs 2 teaching periods(tp).

　　listening & speaking——needs 1 tp

　　language——needs at least 2tp

　　writing——needs at least 1tp

　　 teaching plan for part 2——listening & speaking

　　i. analysis of the students

　　they have known——1. the names of different kinds of numbers;

　　2. how to read out those numbers;

　　they may not be able to——

　　1. recognize the english expressions about numbers in our daily life by listening.

　　2. do some simple calculation presented in english.

　　ii. teaching aims

　　1. enable the students to recognize different kinds of numbers in our daily life by listening.

　　2. enable the students to do some simple calculation.

　　iii. teaching focus and difficulties

　　1. focuses:

　　a. different kinds of numbers in everyday life;

　　b. simple calculations;

　　c. listening and speaking skills about numbers;

　　2. difficulties: developing students’ listening and speaking skills about numbers.

　　iv. teaching aids and methods

　　1. aids: some pictures; multi-media computer

　　2. methods: task-based method, communicated method, group cooperate method

　　v. teaching procedures

　　step 1: lead-in (1 minute)

　　ask the students to talk about numbers.

　　t: where can we see numbers in our daily life?  aims and effects

　　greeting and lead to next step.

　　step 2. pre-listening (3~5 minitues)

　　1. show some pictures

　　2. write down the numbers & do a match.

　　3. prediction of quiz a

　　aims and effects

　　arouse students’ interests

　　practicing the language in listening      material

　　preparing for the quiz a.

　　step 3 while-listening (15~20 minutes)

　　1. do quiz a in the text book.

　　2. check the answer.

　　3. a transitional activity

　　sence 1: in the shopping mall—— buy things

　　mr. li wants to buy a book and a pen. the book costs 58 yuan, and the pen costs 30 yuan. he gives the saler 100 yuan. what is the change?

　　sence 2: going to the airport——what time to go

　　the flight for shanghai will leave in 30 minitues, and it’s 8:20 now. when will the plane leave?

　　sence3：on the plane——ask height          

　　there is a girl sitting next to mr. li on the plane. she asks mr. li how tall he is. mr. li says he is 178 cm. the girl says he is 40 cm taller than her. then how tall is the girl?

　　sence4: in friend’s house——divide cakes

　　there are 12 pieces of cakes in mr. li’s house. they should be divided among 2 kids and 4 other people. then how many pieces of cakes each person can get?

　　4. do quiz b in the text book.

　　5. check the answers and make an evaluation.

　　give a table as follow for each student:

　　name:_______ scores corecting the wrongs

　　quiz a   

　　quiz b   

　　aims and effects

　　preparing for the quiz b.

　　1. lead to learn the new word “change(找零)”

　　2. language practice: “…costs…”  “what’s the change? ”

　　lead to learn the new word “flight(航班)”

　　language practice: “… taller than…/how tall is…?”

　　1. lead to learn the new word “kid(小孩)”

　　2. language practice: “divide…among…”

　　evaluating students’ work to help them correct the wrongs.

　　step 4 post-listening (5 minitues)

　　1. show the tapescript for students and let them read it in pairs.

　　2. pair work (optional)

　　circumstance:

　　there is a new grocery opened near our school. you want to have a look and buy something. please work in pairs and make a dialogue.

　　examples:

　　a: can i help you?

　　b: yes, i’d like to buy 2 notebooks.

　　a: 1.5 yuan for one.

　　b: so they cost 3 yuan. here is 5 yuan.

　　a: thank you, and here is 2 yuan for the change. aims and effects

　　help students correct the wrongs and drive them to speak out.

　　this activity is optional. if the time permits, it can strengthen students’ communicative skills in the topic of numbers.

　　step 5 speaking (8~10 minutes)

　　1. group work

　　circumstance:

　　your school received a gift of 35,000 yuan from mr. tang, an old student of the school. his instructions are:

　　• the school must use the money to buy three different things;

　　• a group of students must decide the three things to buy.

　　it is the speak-up in the text book page 53.

　　2. invite 2 or 3 groups to show their work and give proper evaluations. aims and effects

　　enable students do the calculation in our daily life and teach them to be a person that is good at managing money matters.

　　step 6 summary (1 minitue)

　　today, we have learned many types of numbers that we can see in our daily life. some of them are fractions, decimals,…. i hope you can pay attention to the numbers in every life, and try to read them out from time to rime so that you can grasp what we have learned more effectively.

　　homework:

　　ask the students to do the following things after class.

　　1.preview the language part of this chapter;

　　2.exercise book p43-44. comments

　　do the summary orally and briefly.

　　the homework helps the students to consolidate what they have learned in the class.