四年级下册U4教案

1、Unit4 At the farmA Lets talk一、课时内容 A. Lets talk A. Lets play二、课时分析 本课时是义务教育灵通版（pep）小学英语教科书四年级下册的第四单元第二课时，本课时继续围绕“参观农场”这个话题展开内容，与第一课时紧密相连，包括 A.Lets talk A. Lets play 两个板块。本课时的A Lets talk .部分通过Mike 与Sarah 参加农场并与农场主人对话的情景让学生感知句型：Are these carrots? Yes, they are. No, they arent. 以及What are these? Theyre

2、 tomatoes.的语义及语用情景。A Lets play 部分则是用来操练A Lets talk板块的核心句型。本课时核心句型是涉及名词复数形式的特殊疑问句和一般疑问句，这一知识点在四年级上册第四单元的B Lets talk 出现过一次，本册学生用书的前三单元均未有涉及。教师可创设适当的语境让学生充分的感受并理解名词单、复数的意义以及相应句型变化，并能在情景中正确运用和表达。 三、课时目标1. 能够在情景中运用句型：Are these ? Yes, they are. No, they arent. 以及What are these? Theyre .询问物品名称并回答。 2. 能够在情境

3、中恰当运用句型They re good/ so big!描述物品的特点。 3. 能够在语境中理解新词carrot 和 tomato 的意思，并能正确发音。 4. 理解A Lets talk .部分对话大意，能够用正确的语音语调朗读对话。四、课时重难点1. 课时重点能听、说、认、读本课时的主要句型：Are these ? Yes, they are. No, they arent. 以及What are these? Theyre .并能做出正确的回答。2. 课时难点 Are these 后面跟的是名词的复数形式。五、教学准备1. 教学挂图及配套PPT 2. VCD 4. 单词卡 5. 蔬菜实物

4、六、教学过程Step 1 Warm up T: Hi, boys and girls. Im Miss Lee. Nice to meet you. How are you?. 设计意图：通过师生问候的形式，让学生在课堂上动起来，即锻炼了学生的交流能力，又活跃了课堂。Step 2 Lead in1. 介绍新朋友Ali Baba给孩子们认识，告诉孩子们Ali Baba有一个农场。播放歌曲（Ali Babas farm）。Ali Babas farm is so big, he need some helpers（帮手）. Do you want to be his helper? Lets ha

5、ve a competition（竞赛）. Now, I divide you into 4 groups. The winner can be Ali Babas helper. Step 3 PresentationTASK11. 教学 A.Lets talk 中的重要句型（1）. 教学句型 What are these? They are . T: ( 老师手指苹果说）What are these?(老师板书these并带读) Ss: They are apples. T: ( 然后老师手指香蕉问：）What are these? Ss: (引导学生回答）These are banana

6、s.T: ( 然后老师手指西红柿问：）What are these? Ss: (引导学生回答）These are tomatoes. (老师板书tomatoes并带读)根据学生的回答老师板书句型：What are these? These are tomatoes.并领读（2）.教学句型：Theyre so yum. Try some ! Theyre good ! Thanks .Yum. 游戏： 说水果 老师手里拿水果，请一名学生到台前观看，全班同学一起问：What are these? 这位同学必须尽快的用They are 来回答。当这位同学说对了时，老师就赞叹着说：“Wow! They

7、 are so big! They are so yum. Wow ! They are so nice.等，边赞叹边把水果当奖品奖励给学生，边赠边说：Try some.(老师示意Try some意思）They are good.! 并引导学生回答：Thanks.并尝一口说：Yum.老师根据学生的回答并板书句型：They are so yum.Try some .They are good.! Thanks. Yum.(3).教学句型：Look at these! Are these ? Yes, they are.接上面的游戏定格在“They are so good. ”T: (老师竖起大拇

8、指说)：Theyre so good！They are so big. (然后教师指着carrots 图片，带着疑问说) ：Look at these. Are these tomatoes?Ss：（引导学生回答）Yes, they are. But they are yellow.T: Are these carrots?Ss: Yes, they are.根据学生的回答老师板书句型：Are they carrots ? Yes, they are. 并领读。TASK2 Can you read?设计意图：通过本活动操练了A.Lets talk中的核心句型，活跃了课堂，使学生能够在语境中熟练

9、地运用句型。TASK32. 教学：A. Lets play1 活动：猜词卡游戏 活动方案： 将全班学生分成四人一组利用手中的词卡做游戏。第一位同学拿出一张词卡背对同学们问：What are these? 另一位同学就来用一般疑问句来反问，如果不正确就由第三位同学来反问。直到猜到为止。 如：S1：What are these? S2：Are they tomatoes? S1: No. S3: Are they tomatoes? S1: Yes, they are. 设计意图：通过本活动操练了A.Lets talk中的核心句型，活跃了课堂，使学生能够在语境中熟练地运用句型。TASK43. 教学

10、：A. Lets talk(1) T: Mike and Sarah visit Ali Babas farm. Lets have a look. 播放 A.Lets talk 录音，让学生看动画；再次播放录音，边听录音，边跟读；老师带读。(2) 分组按角色练习对话。(3) 补充对话。 设计意图：利用实物教学，帮助学生更好的理解和运用语言。利用分角色练习对话，培养了学生在生活中运用语言的能力。Step 4TASK5 Practice 设计意图：鼓励学生积极发言，帮助学生整理，总结，便于学生们在情景中运用语言。 一、根据图片回答问题。 1. - Are they apples? - 2. -

11、What are these ？ - 3. - Is this a dog ? - . It is a . 4. Look at the apples. Theyre so_. -Look at the tomatoes. Theyre so _. 二. 问答连连看。（随机）1. What are these？ A. Yes, they are .2. Try some! B. No, it isnt3. Are these tomatoes？ C. Thanks. Yum.4. Is this a pear? D. They are grapes.Step 5 Summary （随机）T：Boys and girls, Lets look back this class. Wh