1、Unit 9 Its one hundred,homework 家庭作業(yè) right 正確的 wrong 錯誤的,1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve,Try to count the numbers （數(shù)一數(shù)鐘面上的數(shù)字）,13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen,13-19數(shù)詞構成方法： 在有關的個位數(shù)詞詞尾加-teen,Let

2、s read,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,Read and count,19,1,nineteen,one,+,plus,=,is,20,twenty,twenty+ one =,twenty-two twenty-three twenty-four twenty-five twe

3、nty-six twenty-seven twenty-eight twenty-nine,十位數(shù)數(shù)詞構成：整十位數(shù)數(shù)詞后加 個位數(shù)詞，中間用連字符號“-”連接。,twenty-one,12+8= 24+6= 38+2= 42+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,整十位數(shù)數(shù)詞20-90構成：個位數(shù)詞詞尾加-ty,Say a rhyme,英語數(shù)詞不難記， 找出規(guī)律就容易。 一至十二詞各

4、異， 一個一個單獨記。 后面加teen變十幾， thirteen，fifteen看仔細。 Eighteen只有一個t， 兩個音節(jié)念清晰。 二十至九十后加ty， twenty不同重點記。 Forty去掉字母u， thirty，fifty更出奇。 十位數(shù)后個位數(shù)， 表示數(shù)值幾十幾， 按序排列不費力， 連字符號莫丟棄。 巧學妙記加努力， hundred是你的好成績！,超人大考驗!,Do you want to be(成為)superman? There are four challenges(挑戰(zhàn)) . Have a try!,第一個挑戰(zhàn): What can you see? (快速說出你看見了什么

5、?),0,第二個挑戰(zhàn):,Standing on one foot. 單腳站立! 參加比賽的同學，閉上眼睛，單腿離地。其余同學邊數(shù)數(shù)one，two，three邊給他們鼓勁，腳最后一個落地的學生為優(yōu)勝。,第三個挑戰(zhàn):搶答,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(小時) are there in a day? Twenty-four. How many min