第一课时(Part A Let s learn / Let s play / Let s start /Let ) s sing教学目标：(一)知识目标：1、使学生能听、说、读、写有关比较级的单词 older、younger、shorter、taller > stronger 2、知道than是比较的意思，than前面要用形容词比较级 (v-er)3、了解cm、kg分别表示长度和重量单位，并知道它们的读音，会回答句型： How tall areyou? How heavy are you?(二)能力目标：1、使学生初步掌握比较级的用法及句型2、使学生知道形容词比较级变化的一般规律3、使学生能在一定的情境中自觉运用所学新知识三)情感目标：培养学生分析观察能力，知道要关爱身边的人，爱父母要从生活中的小事做起教具准备：图片、卷尺、钓鱼杆教学过程：Step 1.Warm-up ( revision )(1 ) Sing a song.What s your favorite season?(2 ) Free talk.a. What ousfavorite season?Which season is it now?What s the weather like in winter?Which season is always hot and sunny? / warm and rainy?/cool and cloudy?/cold and snowy?b. Which season can we make a snowman, winter or fall?Which season can we go swimming in a river, winter or summer?Which season can we fly kites, winter or spring?Which season is colder , summer or winter?Which is colder, water or ice-cream ?c. I can say : cold --colderCan you say? warm---warmer, cool---cooler, hot--- hotter, old ---older.Step2. Presentation （practice）older/ younger 的教学1. How old is the woman? She is 35.2. How old is the girl? She is 12.3. Who s older, the woman or the girl?4. 35>12, so we can say the woman is older than the girl. （出示图片）12 < 35. We can say the girl is younger than the woman.5. Now let s play a game. :GHoss old am I? If your number is more than my age, I will tell you older. If your number is less than my age, I will tell you younger. Let s seewho can guess quickly.6. How old am I? Guess, guess,guess.7. It s my turn now. You should ask me and say older or younger to help me. （出示图先请学生猜老师的年龄，假如学生猜出的年龄比老师的实际年龄大，老师就说 older ,older,假如比实际年龄小，老师就说 younger , younger。
然后由老师猜图片上小男孩的年龄,全班学生说 older, younger来提示老师是否猜对最后，由两位学生分别猜中年男人 和老奶奶的年龄，全班学生通过说 older, younger 来提示8. Who s younger, the boy or the girl? （出示图片）9. Let s do: Older, older, older, make myself older.Younger, younger, younger, make myself younger.Shorter, shorter, shorter, make myself shorter. shorter/ taller 的教学I.Look at the fishing rod, it looks very short. In fact itit s too long. Its difficult for me to take it. Now lets long. Lets make it shorteEverybody should say shorter ,shorter,shorter. Then I let you see it can beshorter and shorter.（出示钓鱼杆）（出示图片）（出示图片）2 . Which are shorter, the shorts or the pants?Who s shorter, Zhang Yining or Yao Ming?How tall is Zhang Yining ? She s 168cm .How tall is Yao Ming ? He s 226cm .教学长度单位 cm=centimeter3 .Who s taller, Zhang Yining or Yao Ming??Which animal is taller, the giraffe or the deer?4 .Who s taller than you?5 . How tall is it ? （出示图片 170cm,160cm,180cm,150cm ）6 .How tall are you? Come here.Line up from shorter to taller.Line up from taller to shorter.Let s do: Shorter, shorter, shorter, make myself shorter.Taller, taller, taller, make myself taller.stronger 的教学1. You look strong and tall. I can do it. Can you do it? （老师拉着拉力器说）s play anot2. Yes, I can .（请两个学生分别做）3. You look as strong as me. But who is stronger, you or I ? Now, let game. If you think I stronger than her, please come here. If you think she is stronger than me, please go there. Everybody should say stronger , stronger . Ready, go.4. Who s stronger, she or ?（出示图片）5. Which animal is stronger, the tiger or the elephant?Is a cat stronger than a mouse?I can say a bear is stronger than a squirrel. Who can say like me?6. Which animal is stronger, the cock or the ant?How heavy is the cock? It . s about 3kg教学重量单位的读音 (Good to know).7. Let s play. If I m right, follow me. If I (两手臂交断 >rong, just do it.6. Sing a song.(自编歌曲， 边表演边唱)Step3. Task time (Consolidation)1. The new year is coming. We are older than the last year, we are taller than the lastyear. We are stronger than the last year. Look , 出示表格：NameAgeHeightWeightI27161cm54 kgMy friend25158cm52kg2. From the form above, can you say something about my friend and me?is old than,is younger thanis taller than, is shorter thanis stronger than3. Can you say something about you and your best friend?Step 4. Homework (extension )I think every father and every mother can remember their Children birthsay,height, weight and age clearly. But some of the children often forget these of their parents. So today s homework:1. Ask your parents and finish the form. Then say something about your parents.NameAgeHeightWeightFathercmkgMothercmkgis older thanis taller thanis stronger than2. Remember these numbers forever. Give your father or mother a surprise on their birthda3. 4.。