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小学英语人教版 (PEP)六年级下册Unit 4 Then and now Part B教案
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这是一份小学英语人教版 (PEP)六年级下册Unit 4 Then and now Part B教案，共10页。
▶ 教学内容与目标
▶ 教学重点
能够复习并巩固本单元所学的核心词汇和句型。
▶ 教学难点
1. 能够运用一般过去时与一般现在时两种时态对图片进行对比描述。
2. 能够理解Stry time板块的趣味故事。
▶ 教学准备
PPT课件、课文音频、视频等。
▶ 教学过程
Step 1: Warm-up & Revisin①
1. Greetings.
Greet the students.
2. Let’s sing—Changes in me.
Play the sng—Changes in me. （出示课件）Sing tgether.
3. Quick review f the key wrds and phrases f this unit. (课件出示：本单元的重点单词及短语）
◆ Teaching purpse①
通过歌曲带领学生复习本单元的核心词句，为后面的复习和巩固做好铺垫。同时在课前营造轻松愉快的课堂氛围，提高学生的学习兴趣。
Step 2: Presentatin & Practice
1. Changes between then and nw.②
Observe the changes f frgs. (出示课件) The teacher makes a mdel at first.
T: When it was a tadple, it had a tail. Nw it becmes a frg. It has n tail.
Lead students t pay attentin t the differences in time and verbs. Students learn t use the simple past tense and the simple present tense t describe things prperly and crrectly. T: Can yu describe the changes in this girl and this by?
S1: She had lng hair. Nw she has shrt hair.
S2: He played the guitar. Nw he plays basketball.
◆ Teaching purpse②
通过三幅图片的今昔对比，引导学生用一般过去时和一般现在时描述对比状态。
2. Let’s check.③
(1) Present the pictures in “Let’s check”. (课件出示：Let’s check板块的图片) Lead students t get detailed infrmatin frm the pictures and predict the main idea f the listening materials.
T: What did he always d many years ag?
S1: In Picture 1, he always read a bk under the tree.
S2: In Picture 2, he always rde a bike.
S3: In Picture 3, he always went ice-skating in winter.
(2) Let students listen and number the pictures and then check the answers with the teacher. (课件出示：Listen and number的答案)
(3) Let students read the wrds belw the pictures. Listen again and crss the wrds they didn’t hear. Then check the answers with the teacher. (课件出示：Let’s check板块第二部分的练习及其答案)
(4) Present the listening materials. (课件出示：Let’s check板块的听力材料) Let students read the passage tgether and try t understand the cntext.
◆ Teaching purpse③
带领学生读图，了解图片信息，预测听力语篇的内容，检测学生对核心词句的掌握情况。通过听音标序和划词的活动形式帮助学生进一步理解听力文本。
3. Let’s wrap it up.
Changes are all arund us. Talk abut the changes belw.
(1)The teacher makes a mdel at first. Shw students hw t describe the changes. (课件出示：Let’s wrap it up中Chen Jie身高对比的图片)
T: Lk at the picture f this girl. Chen Jie was shrt befre. (Pint t the lw height when she was a little girl.) Nw she is 1.5 metres tall. (Pint t the height f 1.5 metres.) It’s the difference between then and nw. Yu can say like this “Chen Jie was shrt befre. Nw she is 1.5 metres tall.”
(2)Present Picture 1(课件出示：Let’s wrap it up板块中的图片1 ) Lead students t say: It was an egg. Nw it is a hen.
(3)Wrk in pairs. Talk abut the changes accrding t the pictures. Then act ut. (课件出示：Let’s wrap it up板块中的图片2、3、4、5)
S1: It was raining. Nw it is sunny.
S2: In summer, the tree was green. Nw it is yellw.
S3: There was a building befre. Nw there is grass.
S4. : The cat was n the chair. Nw it is under the chair.
◆ Teaching purpse④
引导学生观察和对比左右两幅图片的不同，用一般过去时和一般现在时两种不同的时态进行描述，复习和巩固本单元的核心语法点，让学生能够熟练地表达事物的今昔对比。引导学生通过上述的学习活动自己归纳和总结核心句型，提高自主学习能力。
(4)Make a brief summary.
T: When we describe the changes between then and nw, we can express like this “It was…/There was/were (n/nt)… It is…nw./There is/are (n/nt)…nw.” Yu can als add sme adverbial expressins f time f the present r the past.
4. Grup wrk—Changes in my friend.⑤
Wrk in grups. One partner talks abut his r her changes. Other partners take brief ntes while listening. Then make a reprt t present the partner’s changes.
The teacher makes a mdel at first. Ask a student t talk abut his r her changes. The teacher takes ntes n the blackbard while listening, and then retells the student’s changes.
S1: Three years ag, I was shrt and fat. My hair was lng. I didn’t like art. Nw I am tall and thin. My hair is shrt. I like art very much.
T: Three years ag, he was shrt and fat. His hair was lng. He didn’t like art. Nw he is tall and thin. His hair is shrt. He likes art very much.
Then let students cnduct the activity like this in grups. Ask several students t act ut.
◆ Teaching purpse⑤
以小组活动的形式让学生熟练运用本单元的核心词句进行表达，提升学生的语言综合运用能力。
Step 3: Cnslidatin & Extensin⑥
“Stry time”
1. Watch the vide f “Stry time”. (课件出示：Stry time板块的视频)
Read and answer the questin.
◆ Teaching purpse
观看故事视频，初步感知故事内容，把握主旨。分层学习故事内容，逐步深入了解文本，加深理解。
2. Pictures 1~3.
(1)Read Pictures 1~3 and answer.
T: Did cavemen ck their fd?
Ss: N, they didn’t.
T: Wh will ck, clean and wash the dishes in 2050?
Ss: Huse rbts.
(2)Read this part after the recrding and learn the sentences in Picture 1~3, especially the new wrds “cavemen, raw, ck, d the dishes”. “D the dishes” means “wash the dishes”. (课件出示：Picture 1的相关内容)
3. Pictures 4~6.⑦
(1)Read Pictures 4~6 and cmplete the sentences. （出示课件）
(2)Answer the questin: What shuld we d?
Ss: We shuld help the earth nw.
T: Excellent jb! Learn the wrd “shuld”.
(3)Read this part after the recrding and learn the sentences in Picture 4~6, especially the wrds “mre and mre, shuld” and the sentence “Hw beautiful the wrld was!”
4. Pictures 7~9.
(1)Read Pictures 7~9. Judge T r F and present the judging clues.
(2)Tell students that if humans want t have a bright future, we must heal the earth and make it a better place. Call n every student t prtect the envirnment.
◆ Teaching purpse⑦
丰富语言输入，拓展关于描述今昔对比的相关表达。了解人类和自然环境的变化，树立环保意识。
▶ 板书设计
▶ 作业设计
1. Read the stry and write a passage abut the changes in yur friends.
2. D the exercises.
▶ 教学反思
1. 利用快速复习的方式，激活学生的相关词汇和本单元学习的背景知识。歌曲导入不仅能帮助学生有效复习单元核心词汇和句型，还能在课前营造轻松愉快的课堂氛围，增强学生的学习兴趣。
2. 教学流程之间逐层递进，不断深入，以学生为主体，注重对学生的引导和启发，培养学生的思维能力。
3. 通过不同层次的语言活动设计，引导学生逐渐拓宽表达，从半开放式到开放式，复习和巩固本单元的核心语法点，让学生能够熟练地表达事物的今昔变化，提高语言综合运用能力。
4. 通过学习故事，丰富语言输入，拓展本单元主题的相关表达，了解人类和自然环境的变化，树立环保意识。
▶ Teaching Cntents & Teaching Aims
Let’s check
Be able t cnslidate the key wrds and sentence patterns in this unit by cmpleting the listening exercise.
Be able t predict the test pints thrugh the questins and pictures, and try t catch the key wrds t cmplete the exercises while listening.
Develp gd listening habits and imprve listening ability.
Let’s wrap it up
Be able t review and cnslidate the key sentence patterns f this unit.
Be able t describe the pictures in cntrast by using the simple past tense and the simple present tense prperly and crrectly.
▶ Teaching Pririties
Be able t review and cnslidate the key wrds and sentence structures f this unit.
▶ Teaching Difficulties
Be able t describe the pictures in cntrast by using the simple past tense and the simple present tense prperly and crrectly.
Be able t understand the cntent f “Stry time”.
▶ Teaching Prcedures
课时教学内容
课时教学目标
Let’s check
课时教学内容课时教学目标通过该板块的听力训练，能够巩固本单元所学重点内容。
能够根据图片信息预测听力考查点，理解听力材料，在语篇中抓取关键词，完成图片排序和划词。
培养良好的听力习惯，有策略地提高听力水平。
Let’s wrap it up
能够复习并巩固本单元所学的核心句型。
能够在教师的引导下运用一般过去时与一般现在时两种时态，针对图片进行对比描述。
Teaching
Stages
Teacher’s Activities
Students’ Activities
Teaching
Purpses
Warm-up
&
Revisin
1. Greetings.
Greetings.
Lead students t review the key wrds and sentences f this unit thrugh quick review and singing the sng— Changes in me. Activate their backgrund knwledge f this unit and get them prepared fr the fllwing learning. Create an enjyable atmsphere at the beginning f the class and aruse students’ interest in learning.
2. Let’s sing.
Sing the sng— Changes in me.
3. Quick review.
Review the key wrds and phrases f this unit quickly.
Presentatin
&
Practice
1. Changes between then and nw.
Describe the changes in the pictures between then and nw.
Lead students t describe things in cntract with the simple past tense and the simple present tense.
2. Let’s check.
(1)Present the pictures.
(2)Present the recrding.
(3)Present the recrding again.
(4)Present the listening materials.
(1)Predict the main idea f the passage.
(2)Listen and number the pictures.
(3)Crss the wrds they didn’t hear.
(4)Read the passage tgether.
Lead students t learn t predict the main ideas f the passage by reading the pictures.
3. Let’s wrap it up.
Wrk in pairs. Talk abut the changes accrding t the pictures. Act ut. Make a brief summary.
Lead students t bserve the differences between the tw pictures. Review and cnslidate the key wrds and sentence patterns f this unit.
4. Grup wrk—Changes in my friend.
Wrk in grups. Talk abut the changes f ne’s wn. Other partners take brief ntes while listening. Then make a reprt t present the partner’s changes.
Lead students t learn t describe changes in the simple past tense and the simple present tense prperly and crrectly. Prmte students’ cmprehensive ability f using English.
Cnslidatin
&
Extensin
1. Present the vide and the questin.
Watch the vide f “Stry time”. Read and answer the questin.
Students watch the vide f the stry, get t knw the cntent preliminarily and catch the main idea. Learn the stry by different parts. Get deeper understanding thrugh varius learning activities.
2. Pictures 1~3.
(1)Read Pictures 1~3 and answer.
(2)Read this part and learn the sentences in Pictures 1~3.
3. Pictures 4~6.
(1)Read Pictures 4~6 and cmplete the sentences.
(2)Answer the questin.
(3)Read this part and learn the sentences in Pictures 4~6.
Enrich students’ language input, and extend their descriptin f changes between then and nw. Lead them t knw the changes f humans and the envirnment and set up the awareness f the envirnment prtectin.
4. Pictures 7~9.
(1)Read Pictures 7~9 and judge T r F.
(2)Prtect the envirnment.
Hmewrk
1. Read the stry and write a passage abut the changes in yur friends.
2. D the exercises.
▶ 教学内容与目标
▶ 教学重点
能够复习并巩固本单元所学的核心词汇和句型。
▶ 教学难点
1. 能够运用一般过去时与一般现在时两种时态对图片进行对比描述。
2. 能够理解Stry time板块的趣味故事。
▶ 教学准备
PPT课件、课文音频、视频等。
▶ 教学过程
Step 1: Warm-up & Revisin①
1. Greetings.
Greet the students.
2. Let’s sing—Changes in me.
Play the sng—Changes in me. （出示课件）Sing tgether.
3. Quick review f the key wrds and phrases f this unit. (课件出示：本单元的重点单词及短语）
◆ Teaching purpse①
通过歌曲带领学生复习本单元的核心词句，为后面的复习和巩固做好铺垫。同时在课前营造轻松愉快的课堂氛围，提高学生的学习兴趣。
Step 2: Presentatin & Practice
1. Changes between then and nw.②
Observe the changes f frgs. (出示课件) The teacher makes a mdel at first.
T: When it was a tadple, it had a tail. Nw it becmes a frg. It has n tail.
Lead students t pay attentin t the differences in time and verbs. Students learn t use the simple past tense and the simple present tense t describe things prperly and crrectly. T: Can yu describe the changes in this girl and this by?
S1: She had lng hair. Nw she has shrt hair.
S2: He played the guitar. Nw he plays basketball.
◆ Teaching purpse②
通过三幅图片的今昔对比，引导学生用一般过去时和一般现在时描述对比状态。
2. Let’s check.③
(1) Present the pictures in “Let’s check”. (课件出示：Let’s check板块的图片) Lead students t get detailed infrmatin frm the pictures and predict the main idea f the listening materials.
T: What did he always d many years ag?
S1: In Picture 1, he always read a bk under the tree.
S2: In Picture 2, he always rde a bike.
S3: In Picture 3, he always went ice-skating in winter.
(2) Let students listen and number the pictures and then check the answers with the teacher. (课件出示：Listen and number的答案)
(3) Let students read the wrds belw the pictures. Listen again and crss the wrds they didn’t hear. Then check the answers with the teacher. (课件出示：Let’s check板块第二部分的练习及其答案)
(4) Present the listening materials. (课件出示：Let’s check板块的听力材料) Let students read the passage tgether and try t understand the cntext.
◆ Teaching purpse③
带领学生读图，了解图片信息，预测听力语篇的内容，检测学生对核心词句的掌握情况。通过听音标序和划词的活动形式帮助学生进一步理解听力文本。
3. Let’s wrap it up.
Changes are all arund us. Talk abut the changes belw.
(1)The teacher makes a mdel at first. Shw students hw t describe the changes. (课件出示：Let’s wrap it up中Chen Jie身高对比的图片)
T: Lk at the picture f this girl. Chen Jie was shrt befre. (Pint t the lw height when she was a little girl.) Nw she is 1.5 metres tall. (Pint t the height f 1.5 metres.) It’s the difference between then and nw. Yu can say like this “Chen Jie was shrt befre. Nw she is 1.5 metres tall.”
(2)Present Picture 1(课件出示：Let’s wrap it up板块中的图片1 ) Lead students t say: It was an egg. Nw it is a hen.
(3)Wrk in pairs. Talk abut the changes accrding t the pictures. Then act ut. (课件出示：Let’s wrap it up板块中的图片2、3、4、5)
S1: It was raining. Nw it is sunny.
S2: In summer, the tree was green. Nw it is yellw.
S3: There was a building befre. Nw there is grass.
S4. : The cat was n the chair. Nw it is under the chair.
◆ Teaching purpse④
引导学生观察和对比左右两幅图片的不同，用一般过去时和一般现在时两种不同的时态进行描述，复习和巩固本单元的核心语法点，让学生能够熟练地表达事物的今昔对比。引导学生通过上述的学习活动自己归纳和总结核心句型，提高自主学习能力。
(4)Make a brief summary.
T: When we describe the changes between then and nw, we can express like this “It was…/There was/were (n/nt)… It is…nw./There is/are (n/nt)…nw.” Yu can als add sme adverbial expressins f time f the present r the past.
4. Grup wrk—Changes in my friend.⑤
Wrk in grups. One partner talks abut his r her changes. Other partners take brief ntes while listening. Then make a reprt t present the partner’s changes.
The teacher makes a mdel at first. Ask a student t talk abut his r her changes. The teacher takes ntes n the blackbard while listening, and then retells the student’s changes.
S1: Three years ag, I was shrt and fat. My hair was lng. I didn’t like art. Nw I am tall and thin. My hair is shrt. I like art very much.
T: Three years ag, he was shrt and fat. His hair was lng. He didn’t like art. Nw he is tall and thin. His hair is shrt. He likes art very much.
Then let students cnduct the activity like this in grups. Ask several students t act ut.
◆ Teaching purpse⑤
以小组活动的形式让学生熟练运用本单元的核心词句进行表达，提升学生的语言综合运用能力。
Step 3: Cnslidatin & Extensin⑥
“Stry time”
1. Watch the vide f “Stry time”. (课件出示：Stry time板块的视频)
Read and answer the questin.
◆ Teaching purpse
观看故事视频，初步感知故事内容，把握主旨。分层学习故事内容，逐步深入了解文本，加深理解。
2. Pictures 1~3.
(1)Read Pictures 1~3 and answer.
T: Did cavemen ck their fd?
Ss: N, they didn’t.
T: Wh will ck, clean and wash the dishes in 2050?
Ss: Huse rbts.
(2)Read this part after the recrding and learn the sentences in Picture 1~3, especially the new wrds “cavemen, raw, ck, d the dishes”. “D the dishes” means “wash the dishes”. (课件出示：Picture 1的相关内容)
3. Pictures 4~6.⑦
(1)Read Pictures 4~6 and cmplete the sentences. （出示课件）
(2)Answer the questin: What shuld we d?
Ss: We shuld help the earth nw.
T: Excellent jb! Learn the wrd “shuld”.
(3)Read this part after the recrding and learn the sentences in Picture 4~6, especially the wrds “mre and mre, shuld” and the sentence “Hw beautiful the wrld was!”
4. Pictures 7~9.
(1)Read Pictures 7~9. Judge T r F and present the judging clues.
(2)Tell students that if humans want t have a bright future, we must heal the earth and make it a better place. Call n every student t prtect the envirnment.
◆ Teaching purpse⑦
丰富语言输入，拓展关于描述今昔对比的相关表达。了解人类和自然环境的变化，树立环保意识。
▶ 板书设计
▶ 作业设计
1. Read the stry and write a passage abut the changes in yur friends.
2. D the exercises.
▶ 教学反思
1. 利用快速复习的方式，激活学生的相关词汇和本单元学习的背景知识。歌曲导入不仅能帮助学生有效复习单元核心词汇和句型，还能在课前营造轻松愉快的课堂氛围，增强学生的学习兴趣。
2. 教学流程之间逐层递进，不断深入，以学生为主体，注重对学生的引导和启发，培养学生的思维能力。
3. 通过不同层次的语言活动设计，引导学生逐渐拓宽表达，从半开放式到开放式，复习和巩固本单元的核心语法点，让学生能够熟练地表达事物的今昔变化，提高语言综合运用能力。
4. 通过学习故事，丰富语言输入，拓展本单元主题的相关表达，了解人类和自然环境的变化，树立环保意识。
▶ Teaching Cntents & Teaching Aims
Let’s check
Be able t cnslidate the key wrds and sentence patterns in this unit by cmpleting the listening exercise.
Be able t predict the test pints thrugh the questins and pictures, and try t catch the key wrds t cmplete the exercises while listening.
Develp gd listening habits and imprve listening ability.
Let’s wrap it up
Be able t review and cnslidate the key sentence patterns f this unit.
Be able t describe the pictures in cntrast by using the simple past tense and the simple present tense prperly and crrectly.
▶ Teaching Pririties
Be able t review and cnslidate the key wrds and sentence structures f this unit.
▶ Teaching Difficulties
Be able t describe the pictures in cntrast by using the simple past tense and the simple present tense prperly and crrectly.
Be able t understand the cntent f “Stry time”.
▶ Teaching Prcedures
课时教学内容
课时教学目标
Let’s check
课时教学内容课时教学目标通过该板块的听力训练，能够巩固本单元所学重点内容。
能够根据图片信息预测听力考查点，理解听力材料，在语篇中抓取关键词，完成图片排序和划词。
培养良好的听力习惯，有策略地提高听力水平。
Let’s wrap it up
能够复习并巩固本单元所学的核心句型。
能够在教师的引导下运用一般过去时与一般现在时两种时态，针对图片进行对比描述。
Teaching
Stages
Teacher’s Activities
Students’ Activities
Teaching
Purpses
Warm-up
&
Revisin
1. Greetings.
Greetings.
Lead students t review the key wrds and sentences f this unit thrugh quick review and singing the sng— Changes in me. Activate their backgrund knwledge f this unit and get them prepared fr the fllwing learning. Create an enjyable atmsphere at the beginning f the class and aruse students’ interest in learning.
2. Let’s sing.
Sing the sng— Changes in me.
3. Quick review.
Review the key wrds and phrases f this unit quickly.
Presentatin
&
Practice
1. Changes between then and nw.
Describe the changes in the pictures between then and nw.
Lead students t describe things in cntract with the simple past tense and the simple present tense.
2. Let’s check.
(1)Present the pictures.
(2)Present the recrding.
(3)Present the recrding again.
(4)Present the listening materials.
(1)Predict the main idea f the passage.
(2)Listen and number the pictures.
(3)Crss the wrds they didn’t hear.
(4)Read the passage tgether.
Lead students t learn t predict the main ideas f the passage by reading the pictures.
3. Let’s wrap it up.
Wrk in pairs. Talk abut the changes accrding t the pictures. Act ut. Make a brief summary.
Lead students t bserve the differences between the tw pictures. Review and cnslidate the key wrds and sentence patterns f this unit.
4. Grup wrk—Changes in my friend.
Wrk in grups. Talk abut the changes f ne’s wn. Other partners take brief ntes while listening. Then make a reprt t present the partner’s changes.
Lead students t learn t describe changes in the simple past tense and the simple present tense prperly and crrectly. Prmte students’ cmprehensive ability f using English.
Cnslidatin
&
Extensin
1. Present the vide and the questin.
Watch the vide f “Stry time”. Read and answer the questin.
Students watch the vide f the stry, get t knw the cntent preliminarily and catch the main idea. Learn the stry by different parts. Get deeper understanding thrugh varius learning activities.
2. Pictures 1~3.
(1)Read Pictures 1~3 and answer.
(2)Read this part and learn the sentences in Pictures 1~3.
3. Pictures 4~6.
(1)Read Pictures 4~6 and cmplete the sentences.
(2)Answer the questin.
(3)Read this part and learn the sentences in Pictures 4~6.
Enrich students’ language input, and extend their descriptin f changes between then and nw. Lead them t knw the changes f humans and the envirnment and set up the awareness f the envirnment prtectin.
4. Pictures 7~9.
(1)Read Pictures 7~9 and judge T r F.
(2)Prtect the envirnment.
Hmewrk
1. Read the stry and write a passage abut the changes in yur friends.
2. D the exercises.
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