人教新目标七年级上册Unit 7　How much are these socks第三课时Section B (1a-1e)教案.docx

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1、第三课时 Section B (la-le)目标导航类别课时要点重点单词teneleven num. Itwelve 瓶.十二 thirteen加九十三 fifteen num.十五 eighteen 加%.十八 twenty小刀.二十thirty 加.三十重点句型How much is the green sweater?那件绿色的毛衣多少钱？Its twenty dollars.20 美元。教学重占，、1 .让学生学会用英文表达数字io31。2 .让学生能够听懂购物对话，并能运用目标语言展开购物对 话、谈论喜好。教学难卢1.让学生学会用英语表达数字10-31，并能够记住其英文拼写。2.让学

2、生能够熟练地运用目标语言展开购物对话、谈论喜好。教学过程预习指导一、方法指导预习10以上的基数词，注意其拼写及读音，再将数字按顺序写出来，总结其拼写规律。二、预习检测汉译英1.11个足球2.14个西红柿eleven soccer ballsfourteen tomatoes3.23件衬衫twenty-three shirts4.28双红袜子5.31顶帽子6.30副乒乓球拍7.15条短裤twenty-eight pairs of red socksthirty-one hats8.12件毛衣thirty pairs of ping-pong batsfifteen pairs of shorts

3、twelve sweaters9.13个学生thirteen students10.18个时钟eighteen clocks课堂教学Step 1 Leading in1 .Greet the class.2.Play the song Number Song.T:Last class we learned how to buy a thing and how to talk about the price.When we talk about the price,weUl use the numbers.And we have learned the numbers 1 to 9.Can yo

4、u count?Ss: Yes.One,two.nine.T:Good!This class well study more numbers.Step 2 Work on lal.Let the students listen to the recording and repeat one by one.2.Point to some numbers and let the students read them quickly.3.Play a math game.Ask the students to speak the results out quickly.(l)three+nine=?

5、(2)two+seven=?(3)ten+eight=? (4)six+ten=?Step 3 Work on lb1 .Have the students fill in the blanks and find the rules of the numbers.2 .Ask them to find out the wrong places and correct them.3 .Choose some students to read them in correct order.4 .Ask the students to recite them.Step 4 Work on Ic-ld1

6、 .Play the recording.Ask the students to circle the numbers they hear in la.Check the answers.2 .Play the recording for a second time.Let the students listen carefully and check the thing Kate buys.3 .Play the recording again.Then check the answers.Step 5 Work on le1 .Have the students practice the

7、dialogue in the speech bubbles and make their own conversations about the things in the picture in Id.2 .Ask some pairs to act out their conversations.板书设计基数词表示数目多少的词称为基数词。其形式如下：1.110的表达。one,two,three,four,five,six,seven,eight,nine,ten o2.1119的表达。eleven,twelve,thirteen,fourteen,fifteen,sixteen,seven

8、teen,eighteen,nineteeno这里除 eleven,twelve,thirteen,fifteen,eighteen 为特殊形式夕卜,fourteen,sixteen,seventeen,nineteen 都是在其个位数形式后直接添加后缀-teen构成。3 .整数几十中除twenty,thirty,forty,Efty,eighty为特殊形式外,sixty,seventy,ninety都是在其个位 数形式后直接添加后缀-ty构成。表示几十几时，在几十和个位基数词之间添加连词符“。例 如：21 twenty-one 76 seventy-six4 .基数词记忆规则歌诀。零至十二形各异，加上-teen为十几，thirteen,fifteen 看仔细,eighteen 只有一个 t;twenty却是很奇怪,forty本身也不乖,eighty 一起搞例外，跟着也把规则坏；十位后面是个位，表示数字“几十几”，表示“几百几十几”,and常把百、十系。勤学妙记加练习,hundred就是你的好成绩。教学反思本课时要求学生学会100以内较大数字的英文表达法，并能背诵拼写。让学生自己学习、观 察其构成，总结记忆。适当地提示几个特殊的拼写即可，要创造机会让学生自己多表演购物的 对话，在活动中练习使用，加深记忆。