PEP2U3B.Lets learn.doc

三年级下册第三单元第五课时教案教学内容：B lets learn lets do教学目标：（1） 能听懂、会说、会认读单词：long, short, big, small.（2） 能在Its. It has.句型中灵活运用本课所学的形容词描述动物的特征（3） 能听懂指令，完成lets do的内容教学重难点：重点：掌握表示大小长短的四个单词及在句型Its. It has.中灵活运用。难点：1、掌握small的准确发音；2、掌握描述动物特征时单复数的区分。课前准备：单词卡片，多媒体课件教学过程Step1: Warm up & Revision1. Greetings2. Lets do 3. Golden eyes 快速认读单词活动，看到单词站起来并大声读出单词，单词包括fat, thin, tall, short, big, small, 最后一个单词是zoo4. Lets say活动T: Today Im your guide. Lets go to the zoo, ok?Ss: Ok.T: Wow, its a pig. Look at the pig. Its.Ss: fat.T: Cool. Can you say the whole sentence. Look at. Its.S1:Look at the pig. Its fat.S2: Look at the monkey. Its thin.S3: Look at the elephant. Its short.(the elephant 中的the学生如果读错，老师帮忙修改后学生继续)S4: Look at the giraffe. Its tall.Step2: Presentation Lets guess and say1. 教学long(1) T: Whats this?Ss: a noseT: Yes, the nose is very long(教师用肢体表示long)并板书long，T：be long, be long, be long long longT&Ss:师生齐做手势并齐说T: l l l /l /l/ /l/, o o o /o/ /o/ /o/, ng/ / /S: l l l /l /l/ /l/, o o o /o/ /o/ /o/, ng/ / /T: Its a .SS: a long nose.T: Guess whats this?SS: Elephant.T: Yes, Its an elephant.T&ss: Look at the elephant. It has a long nose.S1: Look at the elephant. It has a long nose.S2: .S3:.(2) Long的巩固环节：T: Look, its a .Ss: Its a tail.T: and the tail is .(教师配合手势)Ss: long.T：a long tail. Please guess, what animal is it?Ss: Monkey.T: Look at the monkey.S1: Look at the monkey. It has a long tail.S2:.S3:.2. 教学short(1) T: look at the tail. Long?Ss: No, Its short.(前一课时学生已经接触过short,部分学生能说出short)T：be short, be short, be short short shortT&ss师生齐说单词并做手势T： sh / / / / / /, or/:/ /:/ /:/, t t t /t/ /t/ /t/Ss: sh / / / / / /, or/:/ /:/ /:/, t t t /t/ /t/ /t/T: good, its a short tail. And what is it? Guess.S: Rabbit.T: Its a rabbit. Look at the rabbit. It has .S1:Look at the rabbit. It has a short tail.S2:.S3:.(2) Lets chant. Long, long, long, make your arms long. Short, short, short, make your arms short.3. 教学big(1) T: Look, what can you see?Ss: EyeT: How many eyes?Ss: 2 eyesT: 2 big eyes 教师配合big手势Ss: 2 big eyesT: big big eyesSS: big big eyesT: Guess, what is it?Ss: fishT: Look at the fish. It has.S: look at the fish. It has two big eyes.S.(2) Big的巩固环节T: What can you see?Ss: eyes T&SS: two big black eyes.T: can you guess?Ss: pandaS1: Look at the panda. It has two big black eyes.S2:.S3:.4. 教学small(1) T: We can see two eyes, big?Ss: No. SmallT: Yes, they are small. Small small smallSS:small small small边说边做手势T: s s s /s/ /s/ /s/, m m m /m/ /m/ /m/, al /:/ /:/ /:/, l l l /l/ /l/ /l/Ss:s s s /s/ /s/ /s/, m m m /m/ /m/ /m/, al /:/ /:/ /:/, l l l /l/ /l/ /l/T&ss: two small eyes T: What is it? Can you guess? We can see two small eyes.Ss: ElephantT: Yes, its an elephant. Look at the elephant.S1: Look at the elephant. It has two small eyes.S2:.S3: .(2) Lets chant. Big, big, big, make your eyes big. Small, small, small, make your eyes small.5. 描述鸵鸟T: Today in the zoo, we have a new friend. Ss: a bird.T: Wow, its an ostrich. Look at its head. Its.SS: small.S1: It has a small head.S2:.S3:.T: Then look at its body.Ss: its big.S1: It has a big body.用同样的方法描述鸵鸟的尾巴以及腿，注意腿的复数形式活动：看图，用it has 句型描述完整的鸵鸟。Step3 Consolidation and extension1. 请学生打开课本，跟读录音，指读单词和句子T: Now lets go and have a look at this new friend. Please open your book to page28.2. Lets practice(1) Pracice 1: Mouthing. 观察教师的口型出示相应的卡片并大声说出该单词.(2) Practice 2: Choose a number you like. Can you say the words? Maybe you will see a bomb. 选择你喜欢的数字。你能说说单词吗？当遇上炸弹，Ss可一起说：1,2，bomb!(3) Practice 3: 描述长颈鹿，描述的部位均为单数，此环节为一颗星(4) Practice 4: Pair work. 描述河马，描述的部位有单复数，此环节为两颗星(5) Practice 5：Group work (小组成员之间互相描述下面