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1、人教PEP版三年级下册英语unit6 B. Letslearn; Lets chant教案第五课时课时内容Let s learn; Let s chant课时分析Lets Learn中John在问赛车场的工作人员,一共有多少辆车, 在此过程中呈现数字单词16-20,以及询问他人拥有的物品的 数量的问句及相应答句。在上一课时中,同学已经学到了 16的 英语表达方式,本课时在此基础上,让同学连续学习下边的四个 数字。这几个数字的规律性很明显,同学可以从H19九个数 字与19九个数字的对比中更加清晰的感受到数字变化的规律。 重点问答句在上一课时也已经在对话中学习过,在这个课时,可 以供应更多的练习机
2、会,让同学能够做到听说、认读这一重点句 式。Let s chant部分将两个课时的重点问答句放在了 一起,同时 还加入了简洁的加法及乘法的表达:10 and 8 makes 18. 4 times 5 makes 20.需要让同学运用20以内的数字进行练习,以关心 其形成英语的数字思维力量。课时目标.能够听懂、会说、认读单词:sixteen, seventeen, eighteen,三、LT 2. T 3. F 4. F 5. T板书设计Unit Six How many?B. Let s learnsixteen seventeen eighteen nineteen twentyHow m
3、any . do you have?I havenineteen, twenty.能够听懂、会说、认读句式:How many . do you have?We have.2 .能够使用英语进行简洁的加法和乘法运算课时重难点.重点:能够听懂、会说、认读单词sixteen, seventeen, eighteen, nineteen, twenty能够听懂、会说认读句式:How many . . . do you have?We have.1 .难点:能够正确使用英语进行简洁的加法和乘法运算教学预备.多媒体课件、录音机、磁带。1 .数字卡片教学过程Step 1 Warm up.开头课程前,将同学分
4、成四组,在黑板上为每组画一棵树。同 学表现好时就为自己的组获得一个苹果。课程结束时,水果最多 的组获胜。Teacher: I 11 divide you into four groups. Each group has a tree. If you did well, I will draw an apple for you. At the end of the lesson, the group which gets more apples will be the winner.1 .播放韵句:How many do you have?将 A 部分 Let s chant 的内容改编为适合本
5、课时的内容播放。Hello, my friend. Please tell me.How many apples do you have?One, two, three . I have three.One, two, three . I have three.Teacher: Look at the pictures. There are three apples. Let s chant about the apples. Listen first. Then say it together. 设计意图:以小组竞赛为本课时主评价方式,这样,可以在学习 过程中随时统计每组拥有水果的数目,也就
6、可以随时以此为契机 进行重点句式的练习。韵句改编自A部分学过的内容,同学很熟 识节奏,重点句式改为B部分的重点句式,调整不多,同学接受 也会比较简单。Step 2 Lead in1.出示四个苹果,再出示十个,询问同学苹果数量,引出数字及 本课的重点句式。Teacher: How many apples do I have? Yes, I have four apples. Now, how many apples do I have? Let s count. One, two, three, . I have fourteen apples. Four and ten makes fourt
7、een.(展现阿拉伯式数字算式及英语句子)Read it together, please. 设计意图:由韵句中的内容进入本环节的学习。四、十、十四这 三个数字同学都已经很熟识了。将苹果以两组的形式消失,再加 入数学的加法算式,同学对于英语的加法也就很自然地理解了。 这样,引入之后的十六到二十也就比较简单了。而且,以加十四 的方法来呈现新词汇,同学也比较简单能找到数字之间变化的规 律。Step 3 Presentation.以上一环节的方式,展现更多的物品,如书、球、尺子、彩 笔等,以 5+10= 15, 6+10=16, 7+10=17, 8+10=18, 9+10=10, 10+10=20
8、这样的方法来展现本课的五个数字单词。Teacher: How many . do I have? How many . are there now? Five and ten makes .(结果请同学说出)Read it, please. Six and ten makes一sixteen. Seven and ten makes 一seventeen. Eight and ten makes一eighteen. Nine and ten makes一nineteen. Ten and ten makes一twenty.(随时记录同学的表现,为同学的小组加分)(每一个新的数字词汇出来之后,
9、以男生读、女生读、小组读、接龙读等方式请同学读一读)(每 个算式的句子,也以各种形式请同学读一读)设计意图:连接上一环节的活动,以加法的方式呈现这些新的词 汇,将十五至二十与五至十联系起来呈现,为同学查找数字之间 的规律服务。1 .同时呈现一至十,十一到二十共二十个数字单词,分成两组, 两两对应,请同学观看并找出数字之间的规律。Teacher: Look at these numbers. Can you find something? Can you show us?设计意图:让同学自己通过观看、分析,总结出数字之间存在的 变化规律,必要时可以允许他们使用汉语,加深他们的记忆。Step 4
10、Practice.播放课文,跟读课文。Teacher: Listen to the tape and follow it please.设计意图:通过跟读猎取单词及句式的正确读音,并订正自己的 读音。1 .挨次数一数。每组派出三名代表,请他们从一数到二十,然 后再从一开头数。数错的同学回座位,最终以剩下的人数为各组 加分。Teacher: Let s count from one to twenty. I want three students from each group. If you win, you will get apples for your group.2 .快速出示阿拉伯数
11、字,请同学抢答出数字。Teacher: This time, I 11 show some numbers. Say it in English as quickly as you can. I will give one apple for the first one.设计意图:这两个活动一个保证同学能够记住数字前后的联系, 可以挨次数到二十。一个保证同学可以针对单一的数字有直接的 反应。在活动过程中,统计各组的苹果数目。3 .二十以内加法算竞赛。以小组为单位,一个接一个进行二 十以内加法竞赛。先由老师示范,再由同学分组对抗,相互出题。 老师负责统计小组的得分。Teacher: What i
12、s five and three? What is two and eleven?What is five and eight?Teacher: Let s have a race. Group one asks Group two. If Group two is right, you 11 get an apple. If Group two is wrong, Group one will get one apple. Then Group two asks Group one. Group Three asks Group four.设计意图:加法运算对于同学数字方法的英语思维来说,最
13、具挑 战性。同学需要对每个加数有直接的英语反应,还要快速将其运 算到一起,说出第三个数字。让同学之间相互挑战,简单激发同 学的集体荣誉感和竞争意识,让他们更加乐观地参加到练习中来。 5.二十以内的乘法口算竞赛。竞赛方法如上。Teacher: What is one times three? It s three. (出不乘 法算式,让同学明白times在这里的含义)What is two times three? What is five times three?请同学尝试回答,熟识乘 法的英语表达。Teacher: Let s have a race. Group one asks Grou
14、p two. If Group two is right, you 11 get an apple. If Group two is wrong, Group one will get one apple. Then Group two asksGroup one. Group Three asks Group four.设计意图:经受过加法运算之后,同学再理解乘法就比较简单了。 但由于同学只学到了数字二十,所以在同学出题时要提示把答案 掌握在二十以内。6.播放韵句,同学先仔细倾听,然后老师与同学针对韵句内容 时行沟通,最终同学跟唱。Teacher: Everyone did a good j
15、ob. Now it s time for chant.Listen carefully.Teacher: What is 10 and 8? Can you count with me? Count from one to eighteen. What is 4 times 5?Teacher: Listen to the chant again and follow it.Teacher: Let s say the chant together.设计意图:这个韵句包括了 A、B两部分的重点问句,而且还有 加法、乘法运算的内容,与上一环节中的加法、乘法竞赛相连接。 同学在学唱的过程中,进一
16、步对数字有了更深化的理解和把握。Step 5 Summary.同学以自己喜爱的方式表演韵句,来总结本课时的重点学问。Teacher: Now please show the chant. You can show it by two or in groups. Let s find the best group.设计意图:鼓舞同学以自己喜爱的方式来呈现韵句,以爱护他们 参加的欲望并激发他们持续的学习爱好。1 .总结小组表现,鼓舞最佳小组。Teacher: Now let s count the apples of each group. How many apples do you have?
17、 Which group is the winner? Congratulations. Everybody, please be better next time. 设计意图:对同学的评价最主要的意义就是激励同学,使同学保 持长久的学习爱好。以与本课重点学问相联系的方式进行评价, 还能同时复习巩固本课的重点学问,可谓一举两得。课堂作业一、看一看,写一写二、依据你自己的实际状况来回答问题。1. How many pens do you have?2. How many books do you have?3. How many bags do you have?4. How many cars
18、 do you have?三、读一读,推断正(T)误(F)。A: Good morning, Lily.B: Good morning, Tom.A: What s this?B: It s my new bag.A: It s beautiful!B: Thank you.A: What s in the bag?B: Some books and a pencil box.A: How many books do you have?B: I have twelve books.A: So many books. How many pencils do you have?B: I have four.()1. Tom has a new bag.()2. Tom s bag is beautiful.()3. Tom has four books in the bag.()4. Lily has twelve books in the bag.()5. Tom has four pencils.答案:一、seventeen, twenty, nineteen, sixteen, eighteen 二、同学依据自己的好恶自由回答。