21twenty-one20 twentytwenty-onetwenty-twotwenty-threelearn the numbers 21-29twenty-sixtwenty-fourtwenty-fivelearn the numbers 21-29twenty-ninetwenty-seventwenty-eightlearn the numbers 21-2930 thirty40 forty90 ninetytwenty2050607080fiftysixtyseventyeightytytytytytytytyty2a Look,listen and learn 100one hundred 101one hundred and one151 one hundred(and)fifty-one362 three hundred(and)sixty-two（數(shù)字記憶口訣）（數(shù)字記憶口訣）2aLook,listen and learn212223242526272829twenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-nine30405060708090thirtyfortyfiftysixtyseventyeightyninetyone hundred/a hundredone hundred and oneone hundred(and)eighty-fivethree hundred(and)fifteennine hundred(and)ninety-nine100101185315999（錄音（錄音1）2b Listen and followPay attention to the stress and syllables.（錄音（錄音2）1.thirteen thirty2.fourteen forty3.fifteen fifty4.sixteen sixty5.seventeen seventy6.eighteen eighty7.nineteen ninetyHow much is the hat?￥35Its thirty-five yuan.Look,listen and say1a（影片（影片1）Q:How much is the coat?Key points:1.I want to buy some clothes for my daughter.我想為我女兒買些衣服。我想為我女兒買些衣服。buy sth.for sb.=buy sb.sth.為某人買某物為某人買某物如：如：She wants to buy some flowers for me.=She wants to buy me some flowers.Key points:2.Can I try it on?我可以試穿一下嗎？我可以試穿一下嗎？try on 試穿試穿（如果是代詞，放中間）（如果是代詞，放中間）如：如：The shoes are nice.Please try them on.3.How much is it?多少錢？多少錢？how much is/are?詢問價格詢問價格 如：如：How much are the shoes?Theyre 165 yuan.Salesperson:_Mother:Yes,please.I want a T-shirt for my son.Salesperson:_Mother:White.Salesperson:What about this one?Mother:All right._Salesperson:Twenty yuan.Mother:OK._1b Pair workCan/May I help you?What color do you want?/Whats his favorite color?/How much is it?Ill take it.2c Listen and match the prices.dressskirtT-shirtpants1.￥16.00￥60.002.￥18.00￥80.003.￥17.00￥70.004.￥15.00￥50.00（錄音（錄音3）Project:Bingo game!從從2a2a的的2121個數(shù)字中任意選個數(shù)字中任意選1010個填入個填入下面表格內(nèi)，老師讀出數(shù)字，哪個學(xué)生下面表格內(nèi)，老師讀出數(shù)字，哪個學(xué)生填的數(shù)字先成行或成列則喊填的數(shù)字先成行或成列則喊BingoBingo獲勝！獲勝！302925315402110150100999Bingo!1.Numbers:1-9992.Useful expressions:What can I do for you?May I help you?I want Id like Can I try it them on?Sure.It looks very nice on you.How much is it are they?Well take it.1.Recite P77 1a2.Preview SectionB 1.Review the numbers 21999.2.Recite 1a.3.Preview Section B.Goodbye!Goodbye!Thank you!Thank you!