湘少版四上unit-9-Its-one-hundred.ppt

1、,Unit 9 Its one hundred.,Lets sing,Try to count the numbers （数一数钟面上的数字）,1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve,13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen,13-19数词构成方法： 在有关的个位数词词尾加-teen,Lets read,1,2,3,4,5,6,7,8

2、,9,10,11,12,13,14,15,16,17,18,19,one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,Read and count,19,+,1,=,20,nineteen,plus,one,is,twenty,twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety,one hundred,12+8= 24+6= 38+2= 42+

3、8= 53+7= 67+3= 71+9= 82+8= 99+1=,20 twenty,30 thirty,40 forty,50 fifty,60 sixty,70 seventy,80 eighty,90 ninety,100 a hundred,整十位数数词20-90构成：个位数词词尾加-ty,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

4、号“-”连接。,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！,超人大考验!,Do you want to be(成为)superman? There are three challenges(挑战) . Hav

5、e a try!,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。,第一个挑战:,第二个挑战:抢答,How many boys are there in the classroom? How many girls are there in the classroom? How many teachers are there in the classroom?,How many days(天) are there in a week（一周）? Seven. How many hours(小时) are there in a day? Twenty-four. How many minutes(分钟) a