九年级Unit1Topic2SectionB教学设计.doc

Unit1 The Whanging WorldTopic2 The population in developingCountries is growing fasterSectionB 教学设计内容提要：本部分是九年级上学期第一单元第二话题的内容，通过本部分让学生掌握现在完成时的概念、结构、以及用法，从而让学生熟练掌握现在完成时的用法及数字表达法。Learning aims 1. Knowledge goal(1) Go on learning the present perfect tense.(2) Learn how to express big numbers.(3) Drills: It is increasing by 80 million every year. .the population in developing countries is larger than that in developed countries.2. Method goal Let the students practice big numbers in our daily life and master them.3. Emotion goal Let students care about the large population of China. Let the students know about the large population to bring bad results to the world.Analysis of the students The students have learned English for more than two years. They can understand the use of the perfect tense, and can express simple numbers in English.The students have taken great interest in English now.Its not difficult for them to maser Unit1Topic2SectionB.Learning focus. Talk about the population in different countries in big numbers.Learning difficulties. (1)Talk about the population in different countries. (2)How to let students express big numbers freely.Learning procedures.Step1.Warming up Show some pictures with large population and make some dialogs between students and a teacher.For example:T: Have you been there?S1: No,I havnt.T: Would you like to go there?S1: No.T: Why?S1: Because there are too many people.Show some pictures with in our daily life numbers and make some dialogs between students and a teacher.T: How do you say it in English? S1: One hundred and fifty yuanT: What about this one?S2: Two thoundsand and eight Olmpic GamesT: This one?S3: Thousands of people T: This one?S4: . Then the teacher ask,“Whats the population of China?” and lead into new lesson.Step2 Reading questioned, independent inquisition 1.Show learning aims. 2.Let the students read and study the following numbers and find the rules.5.18 five point one eight100 one hundred 1,000 one thousand1,000,000 one million1,000,000,000 one billion1 , 0 0 0 , 0 0 0 , 0 0 0 billion million thousand3. Listen and read the numbers, paying special attention to the intonation.543.7 five hundred and forty-three point seven 1 562 one thousand, five hundred and sixty-two6 004 001 six million, four thousand and one7 198 764 502 seven billion, one hundred and ninety-eight million, seven hundred and sixty-four thousand, five hundred and two4. Listen carefully and find the questions that students don t understand.5. Listen to 1a,answer the following questions. (1) Whats the population of the world? (2) Which country has the most largest population?Step3Multi-dimensionalinteraction,cooperation inquired into1. Discuss in groups to solve the problems that students dont understand.2. Discuss in groups and read the following numbers . (1) 973 nine hundred and seventy-three(2) 3 980three thousand , nine hundred and eighty(3) 9 8721ninety-eight thousand , seven hundred and twenty-one(4) 768 540 seven hundred and sixty-eight thousand , five hundred and forty(5) 2 346 780two million, three hundred and forty-six thousand, seven hundred and eighty(6) 82 346 580(7) eighty-two million, three hundred and forty-six thousand, five hundred and eighty(8) 405 000 000four hundred and five million(4) 5 555 555 555five billion, five hundred and fifty-five million, five hundred and fifty-five thousand, five hundred and fifty-five 3. Listen carefully and retell the dialog according to the messages that are given.A:What a large population! The world has 6.8 billion. And it is 80 million every year.B:Which country ?A：China has the largest population. It 1.3 billion,and India is with . B: the USA?A：309 million.B:It shows that in developing countries than in developed countries.A:The is growing faster?B:So it is.The population population problem in developing countries.A:China carried out ontrol the population.4. Listen to 1a and match the information,and finish 1b.1. the world 2. China 3.India 4. the USAA. 309 million B. 6.8 billion C. 1.3 billion D.1.1billion 5. Discuss in groups , read 1a and fill in the blanks. The world has a population of 6.8 billion and it is increasing by _ every year. _ has the largest population. It has already reached _ and India is _ with 1.1 billion. The population in developing countries is _ and is growing _ than that in developed countries. Luckily, our country has carried out the _ policy to control the population. 6.Work in groups and discuss the population of the world. With the help of chart and questions1.Which of these 5 countries has the largest/smallest population? Whats the population of it?2. What can you tell from the population in developing countries and in developed countries? 3. What problems does the large population cause?4. What measures do you think should be taken to control the population? Step4Training examination,goal inquisitionChoose the best answer.1. _ is the population of Russia? 143 million. A. How much B. How many C. What D. How 2. There are _ students in our school. A. three thousands B. three thousands of C. three thousand of D. three thousand 3. Jenny always helps others. _. A. So is she B. So she is C. So does she D. So she does4. The population of China is _ than that of Japan. A. larger B. moreC. fewer D. Less5.The population of Shanghai than_ Jinan. A is larger,that in B are larger,that of C is larger,that of D are larger,that in6.The population of Japan is_ than that of India.A less B fewer C more D smallerStep5Migration application,development inquired intoDo a social activity.Divide students into several groups and make a survey of the population about China /India /the USA/Canada/Russia.Draw a diagram .Make similar conversations after the example.For example:A:Whats the population of the world?B:Its about 6.8 billion.Clas