Unit 2 What an amazing world! Lesson 11 (教学设计)辽师大版（一起）英语六年级上册

快乐英语第11册Unit 2 What an amazing world! Lesson11教学设计 Teaching aims 1.学会四会单词cocoon，butterfly，change ,moth, surprise. 2.能熟练运用How can it become a butterfly? 3.能用自己的话，结合图片来描述蝴蝶的各种生长状态。 4.能熟练地表演Learn to say部分的内容并改编小对话，培养学生对所学词汇和句型的实际运用能力。 5.培养学生热爱大自然的良好情操以及观察大自然的能力。 Teaching keys and difficulties 本课时的教学重点是Learn to say 部分的课文及Try to use部分的词汇和句子。要求学生在教师创设的情境中和熟练朗读表演课文的过程中，对于新单词做到听、说、读写“四会”，并能在合适的语境中准确运用。引导学生在理解课文的基础上跟读表演。 本课时的教学难点是Try to use 部分的词汇和句型，生词较难记忆，教师应在教学中首先让学生按音节读准单词，在分散难点，并注重加强书写训练，已达到生词的四会。 Teaching procedures Step1.Warming-up 1.Greetings. T: Hello ,boys and girls! Ss: Hello, Miss He! T:Nice to meet you! Ss: Nice to meet you ,too. 2.老师指着白板上的一只蝴蝶说：“What is this?” Ss:“蝴蝶” T: How to say “ 蝴蝶”in English？Butterfly,教师教授蝴蝶英文单词。 T: This beautiful butterfly wants to invite us sing a song . Are you ready? Ss: Go! 师生共唱儿歌“Butterfly” Step2. Presentation 把事先藏在黑板上大树后的蝴蝶拿出来出来，边拿着蝴蝶边说：Look！There is a butterfly flying into our class. It’s so beautiful. Do you like it? Ss: Yes. T: What color butterflies have you seen? Ss: They are black, white, orange, red... Do you want to know more about it? Ss: Yes Step3. New structures learning 1.play a video clip to let Ss know the life cycle of the butterfly . T: Discuss the life cycle of the butterfly in your group.小组代表汇报结果。教师逐步出示蝴蝶的生命周期egg-larva-cocoon-butterfly在此环节引出新词cocoon并有序操练。 2.T: Now, Billy and Liu Gang see a cocoon. Let’s have a look what they are talking about. Listen to the tape, try to find the answer. Ss听音回答问题。 S1: A butterfly will come out of it. S2: How can it become a butterfly? T:板书How can it become a butterfly? 3.T：How can it become a butterfly? Let’s go on listening to the tape. One week later, what will happen to the cocoon? S1: It looks the same. S2: It’s changing inside. 教师讲解change。 4.Another week later, what will happen to the cocoon? S1: A butterfly is coming out. S2: It’s not a butterfly. It’s a moth. 教师讲解moth。教师做出吃惊表情并说道 What a surprise!教师讲解surprise. 5.T: Listen to the tape a