1、Unit 7 How much are these socks?写出以下数字写出以下数字12345678910onetwothreefourfive six seven eight nine tenLead inPresentation你能用英语说出你能用英语说出1031之间的数字吗？之间的数字吗？eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwenty认一认，读一读认一认，读一读twenty-onetwenty-twotwenty-threetwenty-fourtwenty-fivetwenty-si
2、xtwenty-seventwenty-eighttwenty-ninethirty thirty-one认一认，读一读认一认，读一读New words 1.ten _2.eleven _3.twelve _4.thirteen _5.fifteen _6.eighteen _ 7.twenty _8.thirty _十十十一十一十二十二十三十三十五十五二十二十三十三十十八十八1、大的;大号的2、小的；小号的 3、短的;矮的4、长的5、女子6、需要7、看;看上去8、一双;一对9、买下;拿；取bigsmallshortlongwomanneedlookpairtake1aListen and r
3、epeat.101112131415161718192021222324252627282930311bWrite the numbers in 1a next to the correct words.Which rows of numbers are in the wrong places?ten_ eleven_ twelve_ thirteen_ fourteen_ twenty-five_ twenty-six_ twenty-seven_ twenty-eight_ twenty-nine_twenty_ twenty-one _ twenty-two _ twenty-three
4、_ twenty-four_ fifteen _ sixteen _ seventeen _ eighteen _ nineteen_ thirty_ thirty-one_101112131425262728292021222324151619173018311.基数词的表达基数词的表达1)one到到twelve,拼写和读音无规律可言拼写和读音无规律可言,只只 能逐一记忆。能逐一记忆。2)thirteen到到nineteen，表示，表示“十几十几”，在，在个个 位数后加后缀位数后加后缀-teen，其中要注意，其中要注意 thirteen,fifteen和和eighteen的拼写。的拼写。3)
5、twenty到到ninety，表示，表示“几十几十”，以，以ty结结 尾，但需注意尾，但需注意twenty,thirty,forty,fifty,eighty的拼写。的拼写。4)2129直到直到9199，表示，表示“几十几几十几”,用用整整 十位数加个位表示十位数加个位表示,中间用连字符中间用连字符“-”把把 十位和个位连接起来。十位和个位连接起来。5)one hundred 意为意为“一百一百”，也可说，也可说a hundred，hundred可加具体数字，如可加具体数字，如 nine hundred(900)。2.基数词的用法：基数词的用法：基数词只能修饰可数名词，要注意数词基数词只能修饰
6、可数名词，要注意数词和名词在数上要保持一致。如：和名词在数上要保持一致。如：one student 一名学生一名学生 two boys 两名男孩两名男孩twenty apples 二十个苹果二十个苹果 thirty-three eggs 三十三个鸡蛋三十三个鸡蛋1cListen and circle the numbers you hear in 1a.ten_ eleven_ twelve_ thirteen_ fourteen_ twenty-five_ twenty-six_ twenty-seven_ twenty-eight_ twenty-nine_twenty_ twenty-o
7、ne _ twenty-two _ twenty-three_ twenty-four_ fifteen _ sixteen _ seventeen _ eighteen _ nineteen_ thirty_ thirty-one_1d Listen again.Circle the things in the picture that Kate and her mom talk about.Check()the things Kate buys.How much is the white bag?Its seventeen dollars.1e Ask and answer questio
8、ns about the things in the picture above.1.基数词基数词表示数量的词叫基数词。常见的基数词的写法如下：表示数量的词叫基数词。常见的基数词的写法如下：112：1 one2 two3 three4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve1319：13 thirteen14 fourteen15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen重点精析重点精析20、30、40、50、60、70、80、9
9、0：20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety21、32、45、59、63：21 twentyone 32 thirtytwo 45 fortyfive 59 fiftynine 63 sixtythree百、千、百万、十亿：百、千、百万、十亿：100a hundred 1,000a thousand1,000,000a million 1,000,000,000a billion2.基数词的写法基数词的写法(1)112,拼写和读音没有什么相似之处拼写和读音没有什么相似之处,无规律可
10、言无规律可言,应逐应逐一进行记忆。一进行记忆。(2)1319,表示表示“十几十几”,在个位数后加后缀在个位数后加后缀teen,并且重并且重音在后。注意音在后。注意thirteen(13),fifteen(15)分别由分别由three和和five转化而来；转化而来；eighteen(18)是是eight后加后加een而来。而来。(3)2090中中,整十以整十以ty结尾。结尾。(4)几十几要用连字符。如：几十几要用连字符。如：24twentyfour(5)三位数的词需注意百位和十位之间加三位数的词需注意百位和十位之间加and。如：。如：125one hundred and twentyfive.用
11、所给词的适当形式填空用所给词的适当形式填空1.My clothes(be)red and white.2.These trousers are good.Ill take(they).3.How much(be)the chicken?4.What colorshe(want)?5.I dont know the two(woman).arethemisdoeswantwomen 根据句意及数字提示拼写单词根据句意及数字提示拼写单词(1)How much is this watch?Its _(45)yuan.(2)What is two and ten?Its _(12).(3)How mu
12、ch is the radio?Its _(69)yuan.(4)_(42)and eight is fifty.forty-fivetwelvesixty-nineForty-two根据汉语提示完成句子根据汉语提示完成句子(1)他有他有25个乒乓球。个乒乓球。He has _ _ balls.(2)这些黑色的袜子多少钱？这些黑色的袜子多少钱？15元。元。How _ _ these black _?_ yuan.(3)这条裤子只要这条裤子只要18美元。美元。The pair of trousers is _ _ dollars.twenty-five ping-pong much are socks Fifteenonly eighteen
