英語四年級上冊 四年級上冊unit9

1、Unit 9 Its one hundred.,Whats your luncky number?,你的幸運(yùn)數(shù)字是什么？,one hundred,twenty,thirty,forty,fifty,Can you say it in English? 21 32 43 54 65 twenty-one thirty-two forty-three fifty-four sixty-five Look and judge Forty-six and fifty-four is ninety. Twenty-four and ten is thirty-four. Sixteen and sixt

2、y is sixty-six. Thirteen and fifty-four is sixty-six. Look and judge Forty-six and fifty-four is ninety. Twenty-four and ten is thirty-four. Sixteen and sixty is sixty-six. Thirteen and fifty-four is sixty-six. Look and say 20+11=32 13+3=16 34+10=44 37+63=100 50+23=73 54+32=86 12+59=71 98+2=100 76 8

3、7 98 99 100 seventy-six eighty-seven ninety-eight ninety-nine one hundred Look and say 20+11=32 13+3=16 34+10=44 37+63=100 50+23=73 54+32=86 12+59=71 98+2=100,sixty,seventy,eighty,ninety,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,8

4、0 eighty,90 ninety,100 a hundred,整十位數(shù)數(shù)詞20-90構(gòu)成： 個位數(shù)詞詞尾加-ty,找規(guī)律,two twelve three thirteen four fourteen five fifteen sevenseventeen six sixteen eight eighteen nine ninteen,twenty thirty,forty,fifty,sixty,eighty,ninty,表示十幾的數(shù)字都是以teen結(jié)尾，發(fā) /ti:n/ 的音。 表示幾十的數(shù)字都是以ty結(jié)尾，發(fā) /ti/ 的音。,seventy,Say a rhyme,英語數(shù)詞不難記，

5、 找出規(guī)律就容易。 一至十二詞各異， 一個一個單獨(dú)記。 后面加teen變十幾， thirteen，fifteen看仔細(xì)。 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(fèi)力， 連字符號莫丟棄。 巧學(xué)妙記加努力， hundred是你的好成績！,Can you say it in English?,21,32,43,54,65,twenty-one,thirty-two,forty-three,fifty-four,sixty-five,76,87

6、,98,99,100,seventy-six,eighty-seven,ninety-eight,ninety-nine,one hundred,twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine,twenty+ one =,twenty-one,十位數(shù)數(shù)詞構(gòu)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。,25,46,53,91,68,89,35,74,27,92,Practice 請用英語表達(dá)下列算式,21+11=32,20+23=43,4

7、1+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,Look and say,20+11=32,13+3=16,34+10=44,37+63=100,50+23=73,54+32=86,12+59=71,98+2=100,Look and judge,Forty-six and fifty-four is ninety.,Twenty-four and ten is thirty-four.,Sixteen and sixty is sixty-six.,Thirteen and fifty-four is sixty-six.,超人大考驗!,Do you want to be(成為)superman? There are three challenges(挑戰(zhàn)) . Have a try!