仁爱科普版九年级上册Topic 2 The population in developing countries is growing faster.教学设计

这是一份仁爱科普版九年级上册Topic 2 The population in developing countries is growing faster.教学设计，共10页。

本课是九年级第一单元第二话题的第二课时，主活动是1a和2。本课通过谈论各国的人口数量，复习比较级的基本句型，学习高位数的表达。1b通过连线题，训练学生听懂高位数的能力。1c通过把对话转换为段落来巩固1a的内容。2重点学习高位数的读法。3让学生通过读图来操练高位数的读法。为了降低1a和3的难度，建议将2调整到1a前，作为一个读前的活动。通过谈论各国人口的现状，引导学生树立正确的人口观念。
Ⅱ.Teaching aims
1.Knwledge aims：
掌握本课的重点词汇和短语，复习形容词比较级的用法，继续学习数字表达。
2.Skill aims:
能听懂高位数字，并作出正确判断。
能通过整合对话内容，提升综合语言运用能力。
3.Emtinal aims: (ptinal)
增强学生对人口问题的认识，了解各国的人口现状。
增强学生关注社会的意识。
4.Culture awareness: (ptinal)
通过对比发达国家和发展中国家的人口增长情况，引导学生树立正确的人口观念。
Ⅲ. The key pints and difficult pints
1. Key pints:
Wrds and phrases: ppulatin, billin, increase, reach, Russia, luckily, plicy, measure
in develped/ develping cuntries, have a ppulatin f…, increase by, carry ut, the ne-child plicy
Sentences: (1) It says the wrld has a ppulatin f 6.8 billin.
(2) It is increasing by 80 millin every year.
(3) Which cuntry has the largest ppulatin?
(4) —What’s the ppulatin f the USA.?
—It’s…
(5) S it is.
(6) The ppulatin prblem is mre serius in develping cuntries.
Grammar: G n learning and using Present Perfect.
2. Difficult pints：
能更快更好的听懂和朗读高位数字。
能正确使用数字表达各国的人口现状。
Ⅳ. Learning strategies
通过1b的匹配练习，提升听的语言技能。
通过1a的朗读训练，能够准确、清楚地进行朗读，培养语感和自信心。
通过2的数字练习，能够抓住数字的表达规律。
通过3的图表描述，能够评价自己的学习情况，找出不足。
Ⅴ. Teaching aids
单词卡片（如：ppulatin， billin等）；多媒体课件；录音机；世界人口示意图；小黑板。
Ⅵ. Teaching prcedures
Ⅶ. Blackbard design
Stage
(time perid)
Interactin
patterns
Teacher activity
Student activity
Remarks
1
Revisin
（2-3 mins）
Grup wrk
Greeting.
T: Hell,bys and girls!
T: Nw let’s have a cmpetitin in grups. Make new sentences by using these wrds (“just”, “never”, “yet”, “ever” and “already”) within tw minutes.
…
Greeting.
Ss: Hell…
S1: I have already finished my hmewrk…
S2…
可以播放数字歌，来复习简单的数字。
2
Lead-in
(2-3 mins)
Individual wrk
Present the infrmatin abut ppulatin in different cuntries.
T: Excellent！Yu have already searched fr the infrmatin abut the ppulatin in different cuntries, haven’t yu?
Ss…
T: OK, wh’d like t be the first ne t share yur infrmatin? Vlunteers?
Present the infrmatin abut ppulatin in different cuntries they have cllected befre class.
Ss: Yes, we have.
S1: China has a ppulatin f 1.3 billin.
S2: India has…
培养学生整理信息，传达信息的能力。
建议：此处可以中英文混用。
3
Pre-listening
(10mins)
Class activity
Individual wrk
Step 1: Present the new wrds.
T: That’s right. China has a ppulatin f 1.3 billin. But it is increasing by abut 10 millin every year. Hw large Chinese ppulatin is! Luckily, China has carried ut the ne-child plicy t cntrl it. D yu knw what the ppulatin f Russia is?
Ss: 143 millin.
T: Yes, the ppulatin in develping cuntries is larger than that in develped cuntries.
Ss:…
Step 2: Get Ss t read and guide them t master the rules abut hw t read the numbers. Ask them t pay attentin t the prnunciatin.
T: China has a ppulatin f 1.3 billin. But d yu knw hw t express the large numbers like 1 300 000 000. First let’s lk at the blackbard.
218 306 5 366
(Lead Ss t read numbers frm the simple numbers t large nes like millin and billin。)
S1:Tw hundred and eighteen.
S2:Three hundred and six.
S3: Five thusand, three hundred and sixty-six.
(Cnclude the rules abut hw t read numbers.)
T: Nw, lk at these numbers. Can yu read them?
736 547 8 736 062 7 198 764 501
(Guide the Ss t learn the rules f reading numbers. Then practice.)
S4: 736 547 seven hundred and thirty-six thusand, five hundred and frty-seven.
T: Nw, I will ask sme ther students t read ther numbers.
S5: 8 736 062 eight millin, seven hundred and thirty-six thusand and sixty-tw.
S6: 7 198 764 501 seven billin, ne hundred
and ninety-eight millin, seven hundred and sixty-fur thusand, five hundred and ne.
T: Yu are great. Mst f yu have mastered hw t read the numbers. Please lk at the numbers in 2. Read them tgether.
…
Try t understand the new wrds accrding t the teacher’s explanatin.
…
Ss: 143 millin.
…
Read the numbers, master hw t express the large numbers accrding t the teacher’s explanatin.
S1: Tw hundred and eighteen.
S2: Three hundred and six.
S3: Five thusand, three hundred and sixty-six.
…
S4: 736 547 seven hundred and thirty-six thusand, five hundred and frty-seven.
…
S5: 8 736 062 eight millin, seven hundred and thirty-six thusand and sixty-tw.
S6: 7 198 764 501
Seven billin, ne hundred and ninety-eight millin, seven hundred and sixty-fur thusand, five hundred and ne.
Ss…
教师应板书所学生词和短语，以便学生整体把握重点。
教师可以根据实际情况增加数字练习环节。
在活动2中要引导学生注意并列词组间的语音语调。
4
While-listening
(10 mins)
Individual wrk
Class activity
Step 1: Get the Ss ready fr listening. Then listen and finish 1b.
T: There are s many peple in the wrld. Right?
What’s the ppulatin f the wrld?
Ss…
T: Maybe sme f us have learnt abut it. OK., let’s listen t the tape and finish 1b.
…
T: It’s nt difficult. Nw share yur answers with thers. Wh can try?
Step2: Listen t 1a again and pay attentin t the prnunciatin and intnatin and then act ut 1a.
…
Listen and finish 1b.
S1: The wrld has a ppulatin f 6.8 billin.
S2: China has a ppulatin f 1.3 billin.
S3: India has a ppulatin f 1.1 billin.
S4: The USA has a ppulatin f 309 millin.
Listen t 1a and pay attentin t the prnunciatin and intnatin and then rle play 1a.
回答连线题时，要求学生使用完整的句子作答，有助于培养语感，更好地运用短语和句子。
学习语言，读的过程很重要，教师可以根据班级情况，分配朗读的方式和时间。
5
Pst-listening
(15 mins)
Grup wrk
Individual wrk
Step 1: Read 1a again, get the Ss t underline the useful expressins and discuss the usage f them in grups.
T: Read the cnversatin again, underline the difficult phrases and sentences. Yu can lk up them in the dictinary r ask yur classmates and teacher fr help.
Step 2: Finish 1c accrding t 1a.
T: Nw let’s read 1a and cmplete the passage in 1c.
…
T: OK, wh can share yur answers with us?
…
Read the cnversatin thrughly and underline the pints they d nt understand.
…
Finish 1c after reading 1a.
小组内不能解决的问题，组间可以互相帮助解决,老师可以适时适当的点拨。该环节教师应提供参考资料和方法指导，以提升学生的自学能力和克服难关的意识。
6
Finishing task 3
Grup wrk
Prject: Wrk in grups and discuss the infrmatin f the chart in 3.
T: Lk at the chart in 3 and discuss them. The questins can help yu.
...
…
Wrk in grup and disuss the infrmatin f the chart in 3.
教师合理安排该部分，不仅可以巩固前面所学，提高学生的口语水平，还能增强学生对人口现状的了解。如果时间充裕，可以在课堂上汇报一下讨论结果；如果时间不够，也可以安排成书面作业。
7
Summarizing and assigning hmewrk
(3-5 mins)
Class activity
Step 1: Summarize the imprtant expressins in grups.
Step 2: HMK: Write a passage abut the current situatin f ppulatin.
G ver the useful expressins learnt this class.
HMK: Write a passage abut the situatin f ppulatin.
The ppulatin in develping cuntries is grwing faster.
Sectin B
Wrds and phrases: Sentences:
billin, increase, reach, Russia The ppulatin prblem is mre serius in develping cuntries.
have/has a ppulatin f... It says the wrld has a ppulatin f 6.8 billin.
Increase by —What’s the ppulatin f the USA?
the develped/develping cuntry —309 millin.
carry ut, S it is.
the ne-child plicy
1 300 000 000
218 306 5 366
736 547 8 736 062 7 198 764 501