1、Unit 9 Its one hundred Yes, its right. Good!Please think again. Forty-six and fifty-four is.Oh! Im wrong! Its one hundred.13 thirteen 14 fourteen 15 fifteen 16 sixteen17 seventeen 18 eighteen19 nineteen13-1913-19数词构成方法:数词构成方法:在有关的个位数词词尾加在有关的个位数词词尾加- -teenteenRead and count19 + 1=20nineteen plus onei
2、stwentytwentythirtyfortyfiftysixtyseventyeightyninetyone hundred12+8= 24+6=38+2= 42+8=53+7= 67+3=71+9= 82+8=99+1=20 twenty30 thirty40 forty50 fifty60 sixty70 seventy80 eighty ninety100 a hundred整十位数数词整十位数数词20-90构成:个位数词词尾加构成:个位数词词尾加-tytwenty-two twenty-three twenty-four twenty-fivetwenty-six twenty-s
3、eventwenty-eight twenty-ninetwenty+ one =twenty-oneSay a rhyme英语数词不难记,英语数词不难记, 找出规律就容易。找出规律就容易。一至十二词各异,一至十二词各异, 一个一个单独记。一个一个单独记。后面加后面加变十几变十几 thirteen thirteen,fifteenfifteen看仔细。看仔细。eighteeneighteen只有一个只有一个t t, 两个音节念清晰。两个音节念清晰。二十至九十后加二十至九十后加tyty, twentytwenty不同重点记。不同重点记。fortyforty去掉字母去掉字母u u, thirtythirty,fiftyfifty更出奇。更出奇。十位数后个位数,十位数后个位数, 表示数值几十几,表示数值几十几,按序排列不费力,按序排列不费力, 连字符号莫丢弃。连字符号莫丢弃。巧学妙记加努力,巧学妙记加努力, hundredhundred是你的好成绩!是你的好成绩!