九年级Unit1Topic2SectionB教学设计.docx
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九年级Unit1Topic2SectionB教学设计
Unit1TheWhangingWorld
Topic2Thepopulationindeveloping
Countriesisgrowingfaster
SectionB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。
Learningaims
1.Knowledgegoal
（1）Goonlearningthepresentperfecttense.
（2）Learnhowtoexpressbignumbers.
（3）Drills:
Itisincreasingby80millioneveryyear.
...thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.
2.Methodgoal
Letthestudentspracticebignumbersinourdailylifeandmasterthem.
3.Emotiongoal
LetstudentscareaboutthelargepopulationofChina.Letthestudentsknowaboutthelargepopulationtobringbadresultstotheworld.
Analysisofthestudents
ThestudentshavelearnedEnglishformorethantwoyears.Theycanunderstandtheuseoftheperfecttense,andcanexpresssimplenumbersinEnglish.ThestudentshavetakengreatinterestinEnglishnow.It’snotdifficultforthemtomaserUnit1Topic2SectionB.
Learningfocus.
Talkaboutthepopulationindifferentcountriesinbignumbers.
Learningdifficulties.
（1）Talkaboutthepopulationindifferentcountries.
（2）Howtoletstudentsexpressbignumbersfreely.
Learningprocedures.
Step1.Warmingup
Showsomepictureswithlargepopulationandmakesomedialogsbetweenstudentsandateacher.
Forexample:
T:
Haveyoubeenthere?
S1:
No,Ihavn’t.
T:
Wouldyouliketogothere?
S1:
No.
T:
Why?
S1:
Becausetherearetoomanypeople.
......................................
Showsomepictureswithinourdailylifenumbersandmakesomedialogsbetweenstudentsandateacher.
T:
HowdoyousayitinEnglish?
S1:
Onehundredandfiftyyuan
T:
Whataboutthisone?
S2:
TwothoundsandandeightOlmpicGames
T:
Thisone?
S3:
Thousandsofpeople
T:
Thisone?
S4:
......
Thentheteacherask,“What’sthepopulationofChina?
”andleadintonewlesson.
Step2Readingquestioned,independentinquisition
1.Showlearningaims.
2.Letthestudentsreadandstudythefollowingnumbersandfindtherules.
5.18fivepointoneeight
100onehundred
1,000onethousand
1,000,000onemillion
1,000,000,000onebillion
1,↓000,↓000,↓000
billionmillionthousand
3.Listenandreadthenumbers,payingspecialattentiontotheintonation.
543.7fivehundredandforty-threepointseven
1562onethousand,fivehundredandsixty-two
6004001sixmillion,fourthousandandone
7198764502sevenbillion,onehundredandninety-eightmillion,sevenhundredandsixty-fourthousand,fivehundredandtwo
4.Listencarefullyandfindthequestionsthatstudentsdon’tunderstand.
5.Listento1a,answerthefollowingquestions.
（1）What’sthepopulationoftheworld?
（2）Whichcountryhasthemostlargestpopulation?
Step3Multi-dimensionalinteraction,
cooperationinquiredinto
1.Discussingroupstosolvetheproblemsthatstudentsdon’tunderstand.
2.Discussingroupsandreadthefollowingnumbers.
（1）973ninehundredandseventy-three
（2）3980threethousand,ninehundred
andeighty
（3）98721ninety-eightthousand,sevenhundredandtwenty-one
（4）768540sevenhundredandsixty-eight
thousand,fivehundredandforty
（5）2346780
twomillion,threehundredandforty-sixthousand,sevenhundredandeighty
（6）82346580
（7）eighty-twomillion,threehundredandforty-sixthousand,fivehundredandeighty
（8）405000000
fourhundredandfivemillion
（4）5555555555
fivebillion,fivehundredandfifty-fivemillion,fivehundredandfifty-fivethousand,fivehundredandfifty-five
3.Listencarefullyandretellthedialogaccordingtothemessagesthataregiven.
A:
Whatalargepopulation!
Theworldhas
6.8billion.Anditis80millioneveryyear.
B:
Whichcountry?
A：
Chinahasthelargestpopulation.It1.3billion,andIndiaiswith.
B:
theUSA?
A：
309million.
B:
Itshowsthatindevelopingcountriesthan
indevelopedcountries.
A:
Theisgrowingfaster?
B:
Soitis.Thepopulationpopulationproblem
indevelopingcountries.
A:
Chinacarriedout
ontrolthepopulation.
4.Listento1aandmatchtheinformation,andfinish1b.
1.theworld2.China3.India4.theUSA
A.309millionB.6.8billionC.1.3billionD.1.1billion
5.Discussingroups,read1aandfillintheblanks.
Theworldhasapopulationof6.8billionanditisincreasingby__________everyyear._______hasthelargestpopulation.Ithasalreadyreached__________andIndiais_________with1.1billion.Thepopulationindevelopingcountriesis______andisgrowing________thanthatindevelopedcountries.Luckily,ourcountryhascarriedoutthe___________policytocontrolthepopulation.
6.Workingroupsanddiscussthepopulationoftheworld.Withthehelpofchartandquestions
1.Whichofthese5countrieshasthelargest/smallestpopulation?
What’sthepopulationofit?
2.Whatcanyoutellfromthepopulationindevelopingcountriesandindevelopedcountries?
3.Whatproblemsdoesthelargepopulationcause?
4.Whatmeasuresdoyouthinkshouldbetakentocontrolthepopulation?
Step4Trainingexamination,goalinquisition
Choosethebestanswer.
1.—______isthepopulationofRussia?
—143million.
A.HowmuchB.HowmanyC.What
D.How
2.Thereare______studentsinourschool.
A.threethousandsB.threethousandsof
C.threethousandofD.threethousand
3.—Jennyalwayshelpsothers.
—______.
A.SoissheB.Sosheis
C.SodoessheD.Soshedoes
4.ThepopulationofChinais______thanthatofJapan.
A.largerB.more
C.fewerD.Less
5.ThepopulationofShanghaithan__Ji’nan.
Aislarger,thatinBarelarger,thatof
Cislarger,thatofDarelarger,thatin
6.ThepopulationofJapanis_____thanthatofIndia.
AlessBfewerCmoreDsmaller
Step5Migrationapplication,developmentinquiredinto
Doasocialactivity.DividestudentsintoseveralgroupsandmakeasurveyofthepopulationaboutChina/India/theUSA/Canada/Russia.Drawadiagram.Makesimilarconversationsaftertheexample.
Forexample:
A:
What'sthepopulationoftheworld?
B:
It'sabout6.8billion.
Classroomsubtotal
Inthisclasswehavelearnedthepresentperfecttense/howtoexpressbignumbersinEnglishanddrills:
（1）Itisincreasingby80millioneveryyear.
（2）...thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.It’snecessaryforstudentstocareabouttheworld’sgrowingpopulation.
Blackboardwritingdesign
Itisincreasingby80millioneveryyear.
...thepopulationindevelopingcountriesislargerthanthatindevelopedcountries.
Soitis.
5555555555.
参考书目：
1.四步探究教学法教学设计.九年级英语/申建民主编
北京：
北京燕山出版社，2010.3
2.教师教学用书.九年级上册/北京仁爱教育研究所
编著北京：
科学普及出版社，2014.10
3.义务教育教科书。
九年级上册/北京仁爱教育研究所
编著北京：
科学普及出版社，2014.7
升级会员 