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1、人教版三年级上册Unit 2 Colors教学设计A Let s learn / Let s do教学目标1、知识目标：1）学生会听、说、认读单词：reds yel low green blue四个单词，并会 根据所见的颜色,表达：I see。2）能听懂Let s do中的指令，出示正确的彩笔颜色。2、能力目标：能正确表达见到的颜色，运用在特定的情景中。3、情感目标：1）激发学生学习英语的兴趣，树立学习英语的自信心，培养学生的综合语言 运用能力，同时培养学生的小组合作能力。2）在知识的输入过程中，教师逐渐呈现出一幅美丽的自然风景，让学生感受 到自然之美；在知识的输出过程中，学生主动描绘大自然，
2、让学生深深体会周围的环境之美， 要爱护我们的环境。教学重难点重点：理解并掌握四个颜色单词的读音，辨别它们的大意。难点：1会表达句型：I see在一定的情景中，会准确表达见到的颜色。2单词green的发音较难掌握；show单词的发音受地方方言的影响，学生容易出错。 教学过程Greeting!Teacher brings a schoolbag and comes into the classroom.T: Hello, boys and girls.Ss: Hi.T: Hello! I* m Miss White. What , s your name?51: Hi! My name isHel
3、lo! My name isT: Hello, boys and girls. Let* s sing the song “Hello!”（PPT2）Teacher shows the words of the song, and sings the song with the students, clapping hands with them.1、 Review.T: Look. I have a bag. It* s beautiful. What, s in the bag? Guess.51: Book.52: Eraser.T: Very good. Look at the com
4、puter. It s a bag. What, s this?(PPT2 shows pictures one by one while teacher is asking questions.)51: Crayon52: Book.53: Pencil.54: Eraser.55: Ruler.56: Pencil-box.57: Pen.3、 Introduce1)(出示 ppt4,红色的书包)T: Itf s a bag. The bag is red. Red.Students repeat the new word. The leacher invites some student
5、s to read it. While, teacher is drawing two red flowers on the blackboard.T: The flower isSs: Red.T: Yes. The bag is(师板书:Red, red. I see red.)2) (ppt5 shows a yellow pencil.) T: What1 s this?Ss: A pencil.T: Yes. The pencil is yellow.SI:Yellow.教师做动作：左手竖起两根指头，表示Yes;右手摆摆手，表示NO。做出肢体语言，然后左 右手相合,变成yellow的
6、发音。Teacher draws a sun and paints it yellow.T: The sun is yellow. The pencil is Ss: Yellow.(教师板书：Yellow, yellow. I see yellowo ) A yellow pencil.3) (ppt6 shows a green book.) T: What, s this?Ss: A book.T: Yes. The book is green.SI: Green.T: g, g, green.Teacher draws a big tree and paint it green.T:
7、Look, the tree is green. The book is green.Ss: A green book.(教师板书：Green, green, I see green.)4) (ppt7 shows a blue pen),介绍并教授单词：blue.Teacher shows a blue chalk and draws a cloud.T: The cloud is blue.(教师板书 Blue, blue. I see blue.) 学生练习说句子。4、 Practice1) Listen to the tape and students repeat the words
8、. Then, they use their fingers to point the new words. When they are familiar with the new words, they begin to read the chant on the blackboard:Red, red. I see red.I seeGreen, green. I see green.Blue, blue. I see blue.There are five groups in the class. Each group practice reading the chant togethe
9、r. Every group has a chance to have a performance. When they are reading, teacher remarks the conclusion.2)(出示 ppt7,幸运大转盘)T： Let s guess.Ppt8-l1 show colorful dial one by one, students say their colors: I see。3) Play a game：(Teacher takes out her bag.) T: Do you know what is in my bag?Ss: Pen,T: No.
10、 ( Teacher shows her 4 colorful dolls. This is a red snake. This is a blue whale*) o教师拿出不同颜色的玩具，邀请一位学生到黑板上，再请一名学生藏玩具，让上来的学 生找玩具。其余学生说颜色:Red, red, I see red.那名学生在寻找时，大家声音越大，说 明离玩具越近；反之，则越远。5、 Introduce（Ppt 14 出示一道彩虹）T： Do you like it? It s a rainbow .（pptl6:Let, s do ）Show me green.Show me red.Show m
11、e yellow.Show me blue.Students watch the picture carefully and understand the meanings. Then, they listen to the tape and read the sentences.（教师强调 show 单词的发音。）Teacher says the commands and students show the crayons. They do actions in pairs.6、 PracticeTeacher sticks a card to the blackboard and tell
12、s students :The rainbow is beautiful. We will draw a rainbow. Are you OK?Ss: Yes.T: Show me red. （Students show the red crayons and teacher chooses a group . They draw a part.）In the same way, students finish their task.7、 ConsolidationTeacher shows some pictures of our school （PPT 16）. The school is beautiful. We should protect our environment（同学们，我们的彩虹很漂亮，大自然也很美丽，世界是多么的多彩啊！我们应该保护我 们的环境，爱护我们的校园。）Homework:1 .）听录音10分钟，认读red yellow green blue四个单词,跟着Lets do做动作。2）明天将所学单词和句子读给小组长听。3）大家画一幅彩虹。