1、,Unit 9 Its one hundred,Try to cout the numbers,onetwo threefour fivesix seveneight nineten eleventwelve,3+5=,7+8=,4+14=,9+11=,8,15,18,20,Three and five is eight,Seven and eight is fifteen,Four and fourteen is eighteen,Nine and eleven is twenty,算一算,andis,New word,homework,right,wrong,找规律,two twelve
2、three thirteen four fourteenfive fifteen sevenseventeensix sixteeneight eighteennine ninteen,twentythirty,forty,fifty,sixty,eighty,ninty,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。,seventy,New word,21 twenty-one32 thirty-two43 forty-three54 fifty-four65 sixty-five,76 seventy-six87 eighty-
3、seven98 ninty-eight99 ninty-nine100 one hundred,数字几十几先写几十再写连字符，再写数字几。,看视频回答问题,1.Miss Li在做什么？2.谁做对了？谁做错了？3.你听到了哪几个数字？,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,背一背,基数词，很容易。012词各异，每个都要单独记。1319结尾teen。t-e-e-n teen.几十结尾要加ty。 t-y ty t-y ty.几十几，也容易。先说几十，再说几。中间短杠“”加上去，一百就是 one hundred。,Homework,1.抄写本课新单词。2.背诵口诀。3.Lets Act 和Lets Read,Thank you！,
