4b橡皮和2b橡皮有什么区别_4B Unit 4 Buying Fruit第3课时教学设计

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一、教学内容分析：
本课是牛津小学英语4b  unit4第三课时的教学。
通过前两课时的学习，学生已经能很熟练的认读水果类单词apples,oranges,bananas,peaches,pears,watermelons,pineapples,并能灵活运用句型what are these\those? they’re…和  i’d like some…please. how many kilos?  …kilos,please. 本节课主要学习句型 these or those? the …ones,please.
二、教学目标：
1、知识目标：（1）能听懂、会说、会写these or those? the …ones,please.
  （2）会熟练使用购物的日常交际用语。
2、技能目标：培养学生灵活运用所学语言知识进行初步交际的能力。
3、情感目标：激发学生学习英语的兴趣，调动学习积极性，引导学生积极与他人合作，在活动中培养学生的协作精神。
三、教学重点：购买水果时的日常交际用语。
四、教学难点：1、how many kilos?
  one kilo.
  two kilos.
  one point five kilos.
2、these or those?
3、which ones?  the red ones.
区分于 which  one?  the red one.
五、课前准备：实物投影、水果类卡片、食物卡片、miss li和农民的头饰
把各种水果饮料食品类的卡片贴在黑板上，挡在投影后面
六、教学过程：
warming- up:
1、greeting
t:  class begins.good morning boys and girls.
ss: good morning，miss zhou.
2、free talk
it’s cold today，isn’t it?
are you happy today?
what’s your name?
do you like apples\mangoes\bananas\pineapples…?
what do you like?  any others?
how about you ?
[设计意图：由free talk将学生引入英语学习的状态，并借与学生的对话复习前面学过的内容，为后面新知识的学习作铺垫。]
revision:
  1 、say a rhyme
t: ok ，very good. i like …too. i like many many fruit. now ，let’s say a rhyme together.
(ss say the rhyme “ i like fruit” together)
t: very good. now please say a new rhyme by yourselves.
( let them say the new rhyme by themselves，then ask four students to say it out)
[设计意图：儿歌是学生喜欢的一种学习英语的方式，而且学生能在读诵中增强语感]
3、t: your rhymes are wonderful.
(实物投影：the picture of the farm)
t: please look at the picture.what’s this?
ss: it’s a farm.
t: yes，it’s a farm.
now who’d like to help me?
(叫一个学生到讲台上来，给他戴上农民的头饰)
t: what’s his job?
ss: he’s a farmer.
t: yes，he’s a farmer.
(戴上miss li的头饰)
t: what’s my job?
引导学生说you’re a teacher. (多问几个学生what’s my job?)
t: now i am coming to buy fruit.
(根据a部分内容与上来的学生进行简单的介绍水果、购买水果的对话)
t: hello，what are these?
s1: they’re apples.
t: what are those?
s1: they’re grapes.
t: i’d like some apples.
s1: how many kilos?
t: two kilos，please.
how much are they ?
s1: eight yuan，please.
t: here you are.
s1: thank you ，bye-bye.
 （叫三、四组表演）
[设计意图：创设农场的情境，并使用道具，不仅能吸引学生的注意力，而且为下一步的语言学习埋下伏笔。]12
presentation:
1、t: your performance is wonderful. now miss wang is coming to buy fruit too.
  do you know what are they talking about?
  sit straight. let’s listen to the tape together.then answer my question:
  what does miss wang buy?
（1）listen to the tape together
（2）let the ss answer the question.
（3）go on asking: how many kilos?
  how much are they ?
[设计意图：让学生整体感知对话内容，明白对话的意思，为后面学生根据课文内容编写买东西的对话作铺垫]
2、read and explain the dialogue.
(1)t: now please read the dialogue after me. (领读)
(2)t : good job!
(拿出剪的两个苹果，一个红的，一个绿的)
t : here are two apples.which one do you like? the red one or the green one?
(引出单数，the long one \the short one\the tall one…)
(3)game: i do you say
（教师比划出长短、高矮、大小等，学生说the long one\the short one\…）
(4)拿出红苹果ss: the red one.
(5)拿出几个红苹果在一起的图片，引出 the red ones
(6)用红紫葡萄、大小梨子、长短尺子等操练复数形式
(7)game : i say one thing ，you say the opposite.
e.g.  t: the long ones
ss: the short ones
(8)make a dialogue with partners，use the pictures one the blackboard，or the writing tools they have.
e.g.  s1: i’d like some bananas.
s2: which ones do you like ? these or those?
s1: the big ones.
(9) (叫几组学生表演后，教师拿出大小不同的两组橘子的卡片)
t:which ones do you like?
ss: the big ones.
(把大橘子贴在画在黑板上的秤上)
t: how many kilos?
(教读几遍)
t: guess，how many kilos?
(引出point，教读，把读音与boy 进行对照， ask one groupe read them one by one. then go on gussing the price of another kind of fruit.)
   [设计意图：首先由单数the red one 引到the big one , the small one ……,再过渡到它们的复数，对本课教学重点进行不断的操练]
3、t: yes， you are very clever. then can you remember how many kilo does miss wang buy?(叫学生说)
  yes, you are right.now let’s read the dialogue together.
 (read the dialogue together)
game:叫一个学生把对话读一遍，擦去一行，再叫一个人读，然后再擦去一行，直到全文擦完，叫学生把全文回忆出来
[设计意图：这样做使记忆这段对话充满挑战性，使学生能在充满挑战性，积极的状态下快速记住对话]
4、t: your memories are wonderful. but now，i feel thirty and hungry.where can we go?
  yes，let’s go to the supermarket together，ok?
情景对话：投影屏幕关上，事先贴在黑板上投影后面的图片呈现出来，创设一个超市的情景，进行对话
首先师生示范练习四组，再让生生表演
[设计意图：创设超市的情境，让学生在感觉比较真实的状态下，充满兴趣的编说购买东西的日常对话]
5、homework.
6、class is over
4b unit 4 buying fruit第3课时教学设计 来自。 12

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