七年级英语上册unit4TheworldofnumbersIntensivereading教案牛津深圳版

1、专心爱心用心Chapter 4 The world of nu mbers(Inten sive readi ng)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 po

2、ints:1. Phrase: help sb. do sth.2. Recite the passage.Teaching procedures:步骤目的教师活动学生活动条件/手段Step1.Checkthe1.Guide the students to useTell and check theBlackboardRevisi onhomework andreading skills. (It is a passagean swers ofthisprepare for theabout a clock.)readi ng.lesso n.Step2.1.Get close to1.Ask

3、 ss whatsthe topic of1. An swertheComputerLead-i nthe Ssthe passage? (A clock)questi on.2.Create an2.Show a clock to show we2. Free talk:easy atmosphereuse numbers to tell the time.Where can we see3. Lead into theAsk ss Where can we seenu mbers?”lessonnu mbers?”Step3.1.Get the1.Ask students to answe

4、r a1. An swertheComputerInten sivefurtherquesti on: How manyquesti onandandtextreadi nglear ningIan guages do you know?then readthebookaboutheadli neandnu mbers.the n trytorecite it.2.Get the2.A. Ask students to read2. ReadPara1Show ingidea howPara1 to understand howandfindpicturesan cie ntancient p

5、eople wroteancient peoplepeoplenu mbers in many differe ntwrote nu mberswroteways. (show a picture ofindiffere ntnu mbersdiffere nt nu mbers)ways bythein manyhelp ofthediffere ntpicture.专心爱心用心ways.B. Ask ss to find the similarof ancient nu mbers.3. Trai ntheSsinton ation;get a betterun dersta nding

6、of thecharacter.3. Ask a student to read Para2.And the other students tocorrect his or her intonation.And then show a picture tohelp the ss to un dersta ndwhat the system of numberstoday is. Ask a question:Whatthe importa nee of theinven ti on of the zero?3. Readandan swerthequesti ons.4. Educate Ss

7、 tobecareful.4. Ask Ss to read Para 3to six.Ask: How many calculatingmachines are there in thebook?4. With the help of thepictures in thebook, the studentstry to get thesense of thedevelopme nt ofcalculating machin es.5. Educate Ssabilityofan alysis.5. An alysisthe abacusfeatures.5. Seethepicture, t

8、o sayoutfhe beads onthe wires sta ndfor”6. Educate Ssabilityofan alysis.6. Expla inthe moder nelectr oniccalculator.Focus on its functions.6. Seethepicture,andsay out it canadd,subtract”7. The computersareverypowerful.7. Show a computer, ask twoquestions: A. How do peoplethink of the computer?7. Fi

9、ndtheanswers in thetextbook.ComputerShow ing apicture.ShowingpicturesShow ing apictureShow ing apictureThe textbook.专心爱心用心8. Train theirdiscuss ingability.B. How fast can a computer do acalculati on?8. Show a form; ask stude nts tocon solidateeachcalculati ngmach ine formati on and functions.8. Disc

10、uss in thegroup and fill inthe form.ComputerStep3Languagepoi ntsCon solidati on1.Read the phrases2.Do three exercises:a.phrasesb.Fill in the bla nkswith the phrases tosummarizethepassage.1. Read the phrasesand finish theexercises.ComputerpicturesStep4 UsinglanguageTell Ss how numbers developedwith the times3. Show some pictures ofumbers.Discussthe