2020春六年级英语下册 Unit 1 How tall are you B Let's learn Match and say教案1 人教PEP版

unit 1 how tall are you?b lets learn & match and say教学目标1.掌握四会单词:thinner,heavier,bigger,smaller,stronger。2.能认读句型:how heavy are you?im 52 kilograms.youre heavier than me.3.让学生能在小组合作中快乐学习英语。4.让学生了解重量的计量单位，了解公斤和千克。5.帮助学生培养合理的饮食习惯，保持身体健康。教学重点掌握本课时要求四会的五个形容词的比较级形式。教学难点掌握形容词heavy,thin,big的比较级构成形式，并能在交流中灵活准确地运用形容词比较级结构。教学准备1.单词卡片2.录音机及录音带或教学光盘3.多媒体课件教学过程step 1:warm-up1.日常口语问候。2.教师播放unit 1歌曲“my small cat”，学生跟着哼唱。3.师生交流，复习旧知。t: how old are you? how tall are you？板书:lizhang1213145cm150cmt:who is taller? who is older? who is stronger?s:zhang is (older) than li. li is (younger) than zhang. zhang is (taller) than li. li is (shorter) than zhang. zhang is (stronger) than li.（指名学生把单词贴到黑板相应的位置。）4.学生表演之前准备的对话。s1:how tall are you?s2:im metres.s1:you are taller / shorter than me.s1:how old is he?s2:hes years old.hes older / younger than me.step 2:presentation1.吹气球比赛。(1)请两名学生上台吹气球，教师发指令“make it bigger.”，这两名同学一边吹气球，其他同学随他们吹的节奏加油：bigger!bigger！bigger！看谁在指定的时间内吹得大，谁就获胜。（板书：bigger）教师引导：can you make it smaller?(2)学生然后拿着吹大的气球，慢慢地放出空气，其他同学喊“smaller!smaller!smaller!”（板书:smaller）2.教师拿出卷尺，一边拉长一边说:longer!longer!longer!慢慢放松卷尺，说:shorter!shorter!shorter!（板书:longer和shorter）3.说句子。(1)this apple is bigger than that one. that apple is smaller than this one.this orange is bigger than that one. that orange is smaller than this one. (分别出示苹果和橙子的图片)(2)lilys hair is longer than lucys. lucys hair is shorter than lilys. (出示两个女孩图像)4.学习heavier和thinner。(1)教师指名一学生到黑板前，和老师做比较，能用哪些词说出相貌特征？（tall,short,fat,thin,old,young,heavy,thin）板书：thinner和heavier(2)让学生仔细观察以上两词，看他们的书写有什么特征？小结:thinner双写最后一个字母加er;heavier变y为i加-er。(3)说句子。he is fat but she is thin.she is thinner than him.he is heavier than her.（出示一男一女对比效果明显的图片）5.小组合作:四人小组运用所学的形容词的比较级，配上自己喜欢的节奏自编chant，交流展示。6.出示单词卡片，领读单词，打开课本，听录音跟读。7.开火车读单词。8.小结:形容词比较级的变化规则。（课件显示）9.教师与一位同学比手掌大小，比手臂长短，然后引出下列句型：my arms are longer than yours.（yours相当于“your+名词”）your hands are smaller than mine.step 3:consolidation and extension1.领读lets learn中的句子,纠正读音，并回答问题。t:how heavy is jim?s:he is 52 kilograms.t:who is heavier,jim or john?s:jim.t:so jim is heavier than john.s:john is thinner than jim.2.用形容词比较级自由描述动物特征。（看大屏幕）3.课堂小练习。（ppt展示）(1)全班学生一起做;再找学生回答。(2)给学生时间独立完成练习，再核对答案。4.学后反思：教师对本节课进行评价总结。step 4:homework1.抄写并熟记单词，读熟lets learn的对话。2.比较周围的同学、家人，并进行模拟对话。3.完成练习册对应习题。板书设计unit 1how tall are you?smallsmaller strongstronger(直接加-er)thinthinner bigbigger(双写最后一个字母加-er)heavyheavier (变y为i加-er)how heavy are you?im 52 kilograms. jim is heavier than john.教学反思本节课设计了多种游戏活动，如:吹气球比赛、肢体比较等，让学生在轻松愉悦的氛围中学习英语，这样在很大的程度上可以提高学生的兴趣，但是如果学生整堂课都处于高度兴奋之中，注