湘少版小学四年级英语上册《Unit 9 It's one hundred 》PPT课件

Unit9It'sonehundred,Trytocountthenumbers（数一数钟面上的数字）1one2two3three4four5five6six7seven8eight9nine10ten11eleven12twelve,13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen★13-19数词构成方法：在有关的个位数词词尾加-teen,Readandcount19+1=20nineteenandoneistwenty,twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety,onehundred,12+8=24+6=38+2=42+8=53+7=67+3=71+9=82+8=99+1=20twenty30thirty40forty50fifty60sixty70seventy80eighty90ninety100ahundred整十位数数词20-90构成：个位数词词尾加-ty,twenty-twotwenty-threetwenty-fourtwenty-fivetwenty-sixtwenty-seventwenty-eighttwenty-ninetwenty+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。Sayarhyme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！,Doyouwanttobe(成为)superman?Therearethreechallenges(挑战).Haveatry!,Standingononefoot.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。第一个挑战:,第二个挑战:抢答Howmanyboysarethereintheclassroom?Howmanygirlsarethereintheclassroom?Howmanyteachersarethereintheclassroom?Howmanydays(天)arethereinaweek(一周）?Seven.Howmanyhours(小时)arethereinaday?Twenty-four.Howmanyminutes(分钟)arethereinanhour?Sixty.第三个挑战:,Homework:试着去记住100以内的数。thankyou！