四年级英语下册Unit4AtthefarmThesecondperiod第二课时教案人教PEP

Page3Thesecondperiod(其次课时)PartALet'slearn&chant▶教学内容与目标课时教学内容课时教学目标Let'slearn·能够听、说、认读tomato,potato,carrot,greenbean及其复数形式·能够娴熟运用上述单词并运用句型“They're…”描述蔬菜特征·能够在活动中体会“多吃蔬菜有益于我们的身体健康”Let'schant·能够在图片、动作和音频等的帮助下理解、跟读歌谣，并尝试创编新的歌谣来描述自己宠爱的水果或蔬菜▶教学重点能够听、说、认读并娴熟运用tomato,potato,carrot,greenbean及其复数形式。▶教学难点tomato,potato的读音及其复数形式。▶教学打算1.预习《状元大课堂》《创优作业100分》《状元作业本》中本课时的相关内容。2.PPT课件、课文录音、视频等。Teachingpurpose歌曲热身，激发学生的学习爱好。老师以谈话方式导入，持续“Teachingpurpose歌曲热身，激发学生的学习爱好。老师以谈话方式导入，持续“农场”这个话题。利用PPT出示情景图，通过谈论图片复习上节课所学内容，并为接下来的学习做好铺垫。Step1:Warm-up&Lead-in1.Greetings.2.Singasong—OldMacDonaldhadafarm.（出示课件）3.Lead-in.（课件出示：教材P39Let'slearn图片）T:Look!Mike,JohnandSaraharevisitingthefarm.Thistimetheyhelpthefarmerpickvegetables.They'resohappy.Whatvegetablesdotheysee?Let'sgotosee.Writedownthetopic“Atthefarm”ontheblackboard.Theteacherandstudentstalkaboutthepicture.T:Whatarethese?Ss:Theyare...T:Arethese…?Teachingpurpose老师通过复习上节课内容引出新单词“carrots”，借助图片教授新单词，并用数数的方式帮助学生关注其复数形式。Ss:Teachingpurpose老师通过复习上节课内容引出新单词“carrots”，借助图片教授新单词，并用数数的方式帮助学生关注其复数形式。Step2:Presentation1.Learntheword“carrots”.（课件出示:胡萝卜图片）T:Mike,JohnandSarahseesomevegetablesatthefarm.Look!Whatarethey?Ss:They\'recarrots.T:Howmanycarrots?Let'scount!1carrot,2carrots,3carrots…Writedowntheword“carrots”ontheblackboard.Write“s”inredchalk.Teachingpurpose老师利用PPT帮助学生对比两种不同颜色的西红柿，做示范性描述并引导学生用句型“LookatTeachingpurpose老师利用PPT帮助学生对比两种不同颜色的西红柿，做示范性描述并引导学生用句型“Lookat…They\'re…”来描述蔬菜特征。T:Mike,JohnandSarahseecarrots.Whatelse?Ss:Andtomatoes.T:Great!Whatcolourarethey?(课件出示:黄色西红柿图片)Ss:They'reyellow.(课件出示:红色西红柿图片)T:Look!Whatarethey?Whatcolour?Ss:They\'retomatoes.They'rered.T:Yes.Lookatthesetomatoes.They'rered.Writedownandteachthesentences“Lookat…They're…”.Letstudentstrytodescribevegetablesbyusingthesentences.Teachingpurpose利用刚学过的“tomatoTeachingpurpose利用刚学过的“tomato”来学习“potato”，可以帮助学生很快地驾驭新单词的读音和词形。将PPT出示的土豆图片与书中土豆的图片进行对比，再次引导学生用句型“They\'re…”来描述蔬菜特征。T:Nowlet'splayagame.Listentothewordsandfillletterstocompletethewords.Let'sgo!T:Whatarethese?Ss:They'repotatoes.T:Aretheybig?Ss:No,theyaren't.（课件出示:教材P39Let'slearn土豆图片）T:Lookatthesepotatoes.Aretheybig?Teachingpurpose利用“green”Teachingpurpose利用“green”引导学生尝试自己拼读“bean”，充分调动学生的学习主动性，留意学生学习方法的培育。4.Learnthephrase“greenbeans”.Studentslookatthepicturein“Let'slearn”onpage39.T:Look!Howmanykindsofvegetables?Ss:Four.T:Whatarethey?They're…Writedownthephrase“greenbeans”ontheblackboard.T:Inthesetwowords,thelettercombinations“ee”and“ea”bothpronounce“/i:/”.Canyoureadthesecondword?Studentstrytoread“bean”correctly.Theteachercanofferhelpifstudentsneed.Studentslookatthepictureandtrytodescribethem.Teachingpurpose先看图说单词，再用小嬉戏的形式进行操练，充分调动学生的多种感官，既活跃了课堂气氛，又加强了学生对新学单词的记忆。Teachingpurpose先看图说单词，再用小嬉戏的形式进行操练，充分调动学生的多种感官，既活跃了课堂气氛，又加强了学生对新学单词的记忆。1.What'smissing?(1)Lookandsay.UsePPTtoshowthepicturesofthesefourkindsofvegetablesonebyone.Studentssaythemoutandtrytodescribethem.(2)Let'splay.Teachingpurpose接着操练新单词，通过有节奏的chant使学生在朗读句子中熟识核心词汇。开放性练习有助于培育学生的发散性思维。Teachingpurpose接着操练新单词，通过有节奏的chant使学生在朗读句子中熟识核心词汇。开放性练习有助于培育学生的发散性思维。2.Let'schant.(1)Understandthechant.Showthepicturein“Let'schant”onpage39andaskstudentsquestions.Q:Whatvegetablesarethey?Whatvegetablesdoyouliketoeat?ShowthepictureonthePPTtohelpstudentsunderstand“Butonionsmakemecry.”（出示课件）(2)Let'schant.Playtherecording.Studentsreadafteritandthenchanttogether.(3)Writeyourownchant.TheteachershowsamodelonthePPT.Studentstrytowritetheirownchantsaboutvegetables,fruitandsoon.(出示课件)Teachingpurpose通过创设自然真实的情境，让学生在情境中合理运用所学词汇，培育学生的综合语言运用实力，并在这个环节中让学生体会Teachingpurpose通过创设自然真实的情境，让学生在情境中合理运用所学词汇，培育学生的综合语言运用实力，并在这个环节中让学生体会“多吃蔬菜有益于我们的身体健康”的观念，适时进行情感看法价值观的渗透。“Inthefarmrestaurant”1.CreateasituationbyusingthePPT.PresentthepictureonthePPT.(课件出示：将来农场餐厅图）T:Nowwe'reinthefarmrestaurant.Therearesomevegetables.Whatcanyousee?Whatdoyouwanttoeat?2.Makeademonstration.T:Lookatthesegreenbeans.They'resolong.S1:Yes!Andthey'resogreen!T:Ilovetoeatgreenbeans.They'rehealthyforus.S1:OK!Let'strysome.3.Studentsworkingroupstomaketheirowndialogues.4.Showtime.

▶板书设计▶作业设计1.Introducethesevegetablestoyourfamilymembers.2.Dotheexercises.(见“状元成才路”系列丛书《创优作业100分》或《状元作业本》对应课时作业)▶教学反思1.趣味性的活动设计激发学生的学习爱好，调动学生的学习热忱，营造主动的学习氛围，很好地吸引了学生的留意力。2.采纳自然拼读法教学单词，留意学生学习方法和学习策略的培育。3.有效设计开放性练习，帮助培育学生的发散性思维。4.基于单元整体设计创设教学情景，留意话题的持续性和整体性。5.抓住课堂教学契机，在教学语言的同时适时进行情感教化和人文渗透。▶TeachingContents&TeachingAimsLet'stalk·Beabletolisten,speakandreadthenewwords“tomato,potato,carrot”andthenewphrase“greenbean”andtheirpluralforms.·Beabletodescribethecharacteristicsofthesevegetablesbyusing“They\'re…”·Understandthateatingvegetablesishealthyforus.Let'schant·Understandandreadthechant.Trytowriteanewchant.▶TeachingPriorities•Beabletolisten,speakandreadthenewwords“tomato,potato,carrot”andthenewphrase“greenbean”andtheirpluralforms.▶TeachingDifficulties•Thepronunciationandthepluralformsof“tomato”and“potato”.▶TeachingProceduresTeachingStagesTeacher’sActivitiesStudents’ActivitiesTeachingPurposesWarm-up&Lead-in1.Greetings.2.Singasong—OldMacDonaldhadafarm.3.Lead-in.Talkaboutthepicturewithstudents.1.Greetings.2.Singasong.3.Talkaboutthepicturewiththeteacher.Stimulatestudents'learninginterest.Helpstudentsreviewthewordsandsentencestheyhavelearnedlastlesson.Leadinthenewlesson.Presentation1.Learntheword“carrots”.Showthepictureofcarrots.2.Learntheword“tomatoes”.Showthepicturesoftomatoes.Talkaboutthemandteachthesentences.3.Learntheword“potatoes”.Playagame.Talkaboutandteachtheword.4.Learnthephrase“greenbeans”.Helpstudentslearnandreadthephrase.Learnthenewwordsandthenewphraseandtrytodescribevegetablesbyusingsentencestructure“Lookat…They're…”Trytospellthenewwordsbythemselves.Leadinthenewwordsproperly.Leadstudentstofocusonthepluralformsofthewords.Leadstudentstofocusonthecharacteristicsofthevegetablesandtrytodescribethem.Cultivatestudents'learningmethods.Mobilizestudents'initiativeoflearning.Practice1.What'smissing?(1)UsePPTtoshowthesefourkindsofvegetablesonebyone.(2)Guidethegame.(1)Lookatthepicturesandsaythemout.Thendescribethevegetables.(2)Playthegame.Activatetheatmosphere.Practicethewo