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2019-2020年七年級英語上冊 Chapter 4 The world of numbers Intensive reading教案 牛津深圳版 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 text Teaching difficult points: 1. Phrase: help sb. do sth. 2. Recite the passage. Teaching procedures: 步驟 目的 教師活動 學生活動 條件/手段 Step1. Revision Check 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 lesson 1. 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?” puter Step3. 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 puters 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 puter, ask two questions: A. How do people think of the puter? B. How fast can a puter 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. puter and text book Showing pictures puter Showing a picture. Showing pictures Showing a picture Showing a picture The text book. puter Step3 Language points Consolidation 1. 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. puter pictures Step4 Using language Tell Ss how numbers developed with the times 3. Show some pictures of umbers. Discuss the development of numbers. Pictures Step4 Homework Consolidation 1. Listen and read the text, recite the phrases 2. Try to recite the passage according to the pictures