单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 9 Its one hundred.,Unit 9 Its one hundred.,Whats your luncky number?,你的幸运数字是什么？,Whats your luncky number?你的幸运,one hundred,one hundred,twen,ty,twenty,thir,ty,thirty,for,ty,forty,fif,ty,fifty,six,ty,sixty,seven,ty,seventy,eigh,ty,eighty,nine,ty,ninety,12+8=24+6=,38+2=42+8=,53+7=67+3=,71+9=82+8=,99+1=,20,twen,ty,30,thir,ty,40,for,ty,50,fif,ty,60,six,ty,70,seven,ty,80,eigh,ty,90,nine,ty,100,a hundred,整十位数数词,20-90,构成：,个位数词词尾加,-ty,12+8=,找规律,two twelve,three thir,teen,four four,teen,five fif,teen,sevenseven,teen,six six,teen,eight eigh,teen,nine nin,teen,twen,ty,thir,ty,for,ty,fif,ty,six,ty,eigh,ty,nin,ty,表示十几的数字都是以,teen,结尾，发,/ti:n/,的音。,表示几十的数字都是以,ty,结尾，发,/ti/,的音,。,seven,ty,找规律two twelve twentyfortyfif,Say a rhyme,英语数词不难记，找出规律就容易。,一至十二词各异，一个一个单独记。,后面加,teen,变十几，,thirteen，fifteen,看仔细。,Eighteen,只有一个,t,，两个音节念清晰。,二十至九十后加,ty,，,twenty,不同重点记。,Forty,去掉字母,u,，,thirty，fifty,更出奇。,十位数后个位数，表示数值几十几，,按序排列不费力，连字符号莫丢弃。,巧学妙记加努力，,hundred,是你的好成绩！,Say a rhyme英语数词不难记，找出规律就容易。,Can you say it in English?,21,32,43,54,65,twen,ty,-one,thir,ty,-two,for,ty,-three,fif,ty,-four,six,ty,-five,Can you say it in English?2132,76,87,98,99,100,seven,ty,-six,eigh,ty,-seven,nine,ty,-eight,nine,ty,-nine,one hundred,76879899100seventy-sixeighty-s,twenty,-,two twenty,-,three,twenty,-,four twenty,-,five,twenty,-,six twenty,-,seven,twenty,-,eight twenty,-,nine,twenty,+one=,twenty,-,one,十位数数词构成：整十位数数词后加,个位数词，中间用连字符号,“,-”,连接。,twenty-two twenty-three,25,46,53,91,68,89,35,74,27,92,25465391688935742792,Practice,请用英语表达下列算式,21+11=32,20+23=43,41+13=54,56+9=65,65+33=88,Twenty-one,and,eleven,is,thirty-two,.,Twenty,and,twenty-three,is,forty-three,.,Forty-one,and,thirteen,is,fifty-four,.,Fifty-six,and,nine,is,sixty-five,.,Sixty-five,and,thirty-three,is,eighty-eight,.,andis,Practice 请用英语表达下列算式21+11=3220+,Look and say,20+11=32,13+3=16,34+10=44,37+63=100,50+23=73,54+32=86,12+59=71,98+2=100,Look and say20+11=3213+3=1634+,Look and judge,Forty-six and fifty-four is ninety.,Twenty-four and ten is thirty-four.,Sixteen and sixty is sixty-six.,Thirteen and fifty-four is sixty-six.,Look and judgeForty-six and fi,超人大考验,!,Do you,want to be(,成为,),superman?,There are,three,challenges(,挑战,),.,Have a try!,超人大考验!,Standing on one foot.,单脚站立,!,参加比赛的同学，闭上眼睛，单腿离地。其余同学边数数,one,，,two,，,three,边给他们鼓劲，脚最后一个落地的学生为优胜。,挑战,:,Standing on one foot.挑战:,New word,home,work,right,wrong,New wordhomeworkrightwrong,