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1、 Unit 1 Dream houses Grammar基数词口诀基数词口诀基数词不难记，找出规律就容易；基数词不难记，找出规律就容易；0 至至12 样各异，一个一个单独记；样各异，一个一个单独记；后加后加teen 变十几，变十几，thirteen fifteen 看仔细；看仔细；18需要看准确，需要看准确，eighteen只有一个；只有一个；20到到90加加ty，twenty eithty 重点记；重点记；forty去掉字母去掉字母u，thirty fifty更出奇；更出奇；十位数后接个位，表示数字几十几；十位数后接个位，表示数字几十几；排列顺序不费力，连字符号别丢弃；排列顺序不费力，连字符
2、号别丢弃；写到几百几十几，写到几百几十几，and把百与十系；把百与十系；巧学巧记加努力，巧学巧记加努力，hundred是你的好成绩。是你的好成绩。There are some telephone numbers of your e-friend.Please write out the phone numbers in words.Amy 88033947 John 74582319 Madee 96523835 Stephen 43258714 Neil 54532108 Anna 50268703 Susan 98592076 Elsa 65389118数词数词基数词基数词序数词序数词Ca
3、rdinal numbers 基数词基数词 We use cardinal numbers almost every day.We use them for lots of different things.1.表示班级、年级、学校人数等；表示班级、年级、学校人数等；（Class 2,Grade 7)2.表示城市和国家的人口数量等；表示城市和国家的人口数量等；3.表示电话号码、车牌号、门牌号、表示电话号码、车牌号、门牌号、价格、年份等。价格、年份等。基数词基数词(表个数表个数)的用法的用法4.hundred,thousand,million的的 特别用法：特别用法：前面有数词，则不用其复数，如
4、前面有数词，则不用其复数，如 two hundred,five thousand等。表等。表示上百、上千、上百万时，用示上百、上千、上百万时，用hundreds of,thousands of,millions of 来表示。来表示。基数词基数词0 zero 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 17seventeen 18 eighteen 19 ninetee
5、n 20 twenty基数词基数词30 thirty 40 forty 50 fifty 3160 sixty 70 seventy 80 eighty 3290 ninety 21 twenty-one 22 twenty-two 100 one/a hundred 1,000 one thousand 10,000 ten thousand 100,000 one hundred thousand 1,000,000 one million 26 twenty-six 260 two hundred and sixty 2,261 two thousand,two hundred and
6、sixty-one 2,026 two thousand and twenty-six 1,200,226 one million,two hundred thousand,two hundred and twenty-six1.People from about 180 countries and areas live in New York.2.The CN Tower is 1,815 feet tall.3.Red Square in Moscow is about 91,000 square metres in size.4.France has an area of over 26
7、0,000 square miles.5.There are about 8,000,000 people living in London.6.Tokyo,the capital of Japan,has over 13,000,000 people.Learn about different countries 2,005=19,724=two thousand and fivenineteen thousand,seven hundred and twenty-four 743,210=7,766,187=seven hundred and forty-three thousand,tw
8、o hundred and tenseven million,seven hundredand sixty-six thousand,one hundred and eighty-sevenAre you good at calculation?Lets play a game.A:Whats _ plus _?B:Its _.4,567_+4,5676,7896,78911,35611,356Ordinal numbers 序数词序数词We can use ordinal numbers to order things and events.We use them to talk about
9、 dates,floors,results,etc.For example:I am the second child of my family.Its birthday is on the fifth of June.The flat is on the seventh floor.How do you write it?表示日期，楼层，排序等；表示日期，楼层，排序等；（the eighth of March)（the tenth floor)(the second one)Note:序数词一般情况下必须和定冠序数词一般情况下必须和定冠词词the连用。连用。序数词序数词(表顺序表顺序)的用法
10、的用法Womens Day is on the eighth of March.Our flat is on the seventh floor.He is always the first to come to school in our class.基数词变序数词的口诀基数词变序数词的口诀 基变序，有规律基变序，有规律词尾加上词尾加上th，(fourth,sixth)一、二、三，特殊例一、二、三，特殊例结尾字母结尾字母 t,d,d (first,second,third)八去八去 t，九去，九去 e (eighth,ninth)ve要用要用f替替 (fifth,twelfth)ty将将y改
11、成改成i (twenty-twentieth)th前面有个前面有个e (fifty-fitieth)若要碰到几十几若要碰到几十几前用基来后用序前用基来后用序(twenty-four-twenty-fourth)1=one 1st=first 2=two 2nd=second 3=three 3rd=third 4=four 4th=fourth 5=five 5th=fifth 6=six 6th=sixth 7=seven 7th=seventh 8=eight 8th=eighth 9=nine 9th=ninth 10=ten 10th=tenth 11=eleven 11th=elev
12、enth 12=twelve 12th=twelfth 13=thirteen 13th=thirteenth 14=fourteen 14th=fourteenth 15=fifteen 15th=fifteenth 16=sixteen 16th=sixteenth17=seventeen 17th=seventeenth 18=eighteen 18th=eighteenth 19=nineteen 19th=nineteenth 20=twenty 20th=twentieth 21=twenty-one 21st=twenty-first 22=twenty-two 22nd=twe
13、nty-second100=a hundred 100th=a hundredthWhere does everyone live?1.Elsa lives on the _ floor.2.Ivan lives on the _ floor.3.Mary lives on the _ floor.4.Peter lives on the _ floor.5.Ricky lives on the _ floor.6.Wilson lives on the _ floor.seventhfifteenthfourthsecondninthtwelfth一、翻译句子：一、翻译句子：1、他的生日是在、他的生日是在8月月23日。日。2、他在英语考试中获得第一。、他在英语考试中获得第一。3、我们住在、我们住在12楼。楼。4、我们将于、我们将于6月月9日到达。日到达。二、用英语写出下列数字。二、用英语写出下列数字。1、206，687 2、108，026，260 3、14，900，047 4、195，819Homework Practice what you have learnt in the section Grammar.