The fourth period(第四课时) Part B Let’s talk & Let’s play
?教学内容与目标
课时教学内容 课时教学目标 Let’s talk ·能够在图片、PPT和老师的帮助下理解对话大意 ·能够按照正确的语音、语调朗读对话，并能够在小组中进行角色扮演 ·能够在情景中恰当运用句型“Let’s…”“Let me…”提出行动建议并做出正确反应 ·能够在语境中理解新词“teacher’s desk, clean, help”的意思，并能够正确发音 Let’s play ·通过该板块提供的教学活动，巩固并操练本课时的重要句型“Let’s…”“Let me…” ?教学重点
1能够按照正确的语音、语调朗读对话，并能够在小组中进行角色扮演。 2能够在情景中恰当运用句型“Let’s…” “Let me…”提出行动建议并做出正确反应。 ?教学难点
能够在情景中熟练运用句型“Let’s…” “Let me…”提出行动建议并做出正确反应。 ?教学准备
1. 预习本课时的相关内容。
2. PPT课件?课文录音、视频、骰子等。 ?教学过程
Step 1: Warm-up & Revision & Lead-in
1. Greetings and sing an English song—We have a new
classroom.（课件出示:教材P10 Let’s sing板块的歌曲音频）
2. Do the TPR action.
T: First, let’s do some actions together. I say, you do and then repeat. Let’s stand up!
Teaching purpose
在热身阶段，通过TPR活动，将学生所有感官调动起来，全身心地投入到英语学习中，同时将本课的重点句型“Let’s…”作为指令，让学生初步感知句型的意义及其用法。
T: Wonderful! Are you happy now? Good. Sit down, please! 3. Revision and lead-in.
Show the second picture of “Let’s talk” in Part A on the PPT. （出示课件） Point to different objects. Lead students to review the words in Part A: classroom, blackboard, light, picture, door. Then lead in the new phrase: teacher’s desk.
Step 2: Presentation
1. Teach the phrase “teacher’s desk” and the word “clean”. T: (Point to a student’s desk.) That’s your desk.
T: (Point to the teacher’s desk.) I’m a teacher. And this is my desk. This is the teacher’s desk.
Read it like this: teacher—teacher’s—teacher’s desk. Let students read the phrase in groups, read by boys and girls, read one by one and so on.
Show a picture of a dirty teacher’s desk on the PPT. (课件出示:一张脏的讲台图片)
T: What’s this?
Ss: It’s a teacher’s desk.
T: Yes, but it is dirty. Let’s clean the teacher’s desk.
Take out the rag and do the action of wiping the teacher’s desk to help students understand the meaning of the word “clean”.
Students practice the phrases: clean the teacher’s desk/windows/ blackboard /door. (Practice through these ways: say in unison, rush to answer, say in groups, say one by one and so on.）
2. Teach the sentence structures “Let’s…”“Let me…”
Look around the classroom and say, “Our classroom is messy. Let’s clean the classroom and give other teachers a surprise. OK?”
Write down the sentence structure “Let’s…” on the blackboard and teach it.
Point to S1 and S2 and say, “Let’s clean the desks and chairs, S1, S2.”
T: For two, three or many people, we can use “Let’s…” Teach “let’s=let us”.
Ask students to read the sentence “Let’s clean the classroom.”
Ask a row of students to read the sentence one by one and check if they can read it correctly.
T: The blackboard is dirty. I can clean it by myself. Let me clean the blackboard.
Write down the sentence structure “Let me…” on the blackboard and teach it.
T: For only one person, we can say “Let me…” “Let him…” or “Let her…”
Teaching purpose
教师首先利用肢体语言、抹布等道具创设情境引入并帮助学生理解、学习Let’s talk对话中出现的新短语“teacher’s desk”和单词“clean”，以及动词短语“clean the teacher’s desk/classroom/windows/blackboard/door”。
Teaching purpose
在创设的真实语言情境中，利用肢体语言，帮助学生理解并使用句型“Let’s/Let me clean the…”“Let me help you.”。
Ask students to read the sentence “Let me clean the blackboard.” twice.
T: Who wants to clean the teacher’s desk/windows/blackboard/ door…?
Let some students practice the sentences “Let me clean the teacher’s desk/windows/blackboard/door…”
3. Teach the word “help”.
Take out another rag and say to S2, “Let me help you.” Clean the windows and say to students, “So many windows, who can help us?” Repeat the word “help” and teach it.
Ss: Let me help you. Several students join in. The teacher says “Thank you.” to the students.
T: Thank you, good boys and girls. The windows are clean now. Our classroom is clean, too. Go back to your seat! I think other teachers will be very happy!
4. Teach the dialogue of “Let’s talk”.
(1)Let students have a preliminary understanding of the dialogue. Show the pictures of “Let’s talk”. (课件出示:教材P7 Let’s talk板块的图片)
T: Look! Who can you see in the pictures?
S1: Wu Yifan and his classmates./Wu Yifan, Mike, John and Zhang Peng.
T: Right. Where are they? S2: They are in the classroom.
T: Good! What are they doing in the classroom? Ss: They are cleaning the classroom.
(2)Show some questions and make students understand the dialogue.
Play the recording. （课件出示:教材P7 Let’s talk板块的音频）
(3)Listen to the recording again and answer the questions. (4)Check the answers.
Step 3: Practice
Teaching purpose
通过对图片的观察和简单的问答，引导学生初步预测对话内容，进一步感知整个对话的语境，培养学生的观察能力和逻辑推理能力。
1. Listen again and repeat.
Play the recording again. (出示课件) And ask students to repeat after it.
2. Practice the dialogue in pairs or in groups. Let students read the dialogue in pairs or in groups. 3. Read the dialogue in different roles.
T: Let’s read the dialogue in roles. Group 1 is Wu Yifan. Group 2 is John. Group 3 is Mike. Group 4 is Zhang Peng.
T: Now read the dialogue in groups of four. Then act it out. I will reward the best group.
4. Play a game.
Show the pictures. (课件出示:快速显示打扫教室、擦窗户、擦桌椅、擦黑板、擦讲台、擦门等图片) Ask students to say a sentence with the sentence structures “Let’s…” or “Let me…” as quickly as they can.
5. Let’s play.
Take out the dice prepared before class and play with students. (游戏说明:教师在课前按照教材中的示意图制作一个大的六面体骰子，出示骰子并投掷一次，按照投掷结果说句子“Let me…”“Let’s…”，然后请学生掷骰子说句子。再进行小组活动，最后小组展示。)
T: Let’s clean the classroom. Throw the dice like this. OK. Let me…
S1: (Throw the dice.) Let me…
T: Boys and girls, are you clear? Play with your partners now. Let some groups show in class.
Step 4: Consolidation & Extension
1. Create a new dialogue.
Show a picture of a messy house. (课件出示:一张凌乱的房屋图片)
T: Grandma Wang is ill. Her house is messy. Can we help her? Ss: Yes, we can. We can help her clean the house.
T: OK. Please work in groups of four and make a dialogue.
Let students make their dialogues in groups. 2. Show time.
Teaching purpose
学生听录音跟读，教师引导学生按照正确的语音、语调及意群朗读对话。再通过分角色读课文，让学生熟悉对话内容及结构，为后面环节的自主交流做好铺垫。
Teaching purpose
通过Let’s play让学生能熟练运用句型。先由教师示范，让学生明白游戏规则及方法，再进行小组活动，最后小组展示，检查操练效果。
Teaching purpose
在拓展环节，把学生分成若干个小组，通过创设贴近生活的语言情境，让学生用本课所学词汇及句型新编一个对话，进行工作分工，提高学生的语篇输出能力，发挥其自主性和创造性。
Prepare some rags. Let several groups show in class. 3. Give some presents to the performers. 4. Sum up.
T: Grandma Wang is happy now. I’m also very happy that you’re helpful at school. I think you’re helpful at home, too. Please help your parents at home!
?板书设计
?作业设计
1. Practice the dialogue.
2. Help your parents at home. 3. Do the exercises.
?教学反思
1通过创设各种情境，营造民主、和谐的教学气氛，引导和鼓励学生使用英语。 2在特定的语境中引入新单词，不但让学生觉得有趣，还有利于加深学生对单词的理解。 3在教学中遵循了“词不离句，句不离景”的教学规律。
4在教学过程中要时刻关注后进生和性格内向的孩子，尽可能为他们提供展示自我的机会。
?Teaching Contents & Teaching Aims
Let’s talk
·Be able to understand the main idea of the dialogue with the help of the pictures, PPT and the teacher.
·Be able to read the dialogue with the correct pronunciation and intonation, and be able to act out in groups.
·Be able to use the sentence structures “Let’s…”“Let me…” properly to offer action suggestions and make correct response in situations.
人教PEP四年级英语上册Unit 1 My classroom(第四课时)
