牛津译林版（新）七年级下册Unit Dream homes

七年级下册英语教学课件系列

Unit1Dreamhouses

Grammar基数词口诀基数词不难记，找出规律就容易；0至12样各异，一个一个单独记；后加teen变十几，thirteenfifteen看仔细；18需要看准确，eighteen只有一个；20到90加ty，twentyeithty重点记；forty去掉字母u，thirtyfifty更出奇；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；写到几百几十几，and把百与十系；巧学巧记加努力，hundred是你的好成绩。

?Therearesometelephonenumbersofyoure-friend.Pleasewriteoutthephonenumbersinwords.Amy88033947John74582319Madee96523835Stephen43258714Neil54532108Anna50268703Susan98592076Elsa65389118Haveatry数词基数词序数词Cardinalnumbers

基数词Weusecardinalnumbersalmosteveryday.Weusethemforlotsofdifferentthings.

表示班级、年级、学校人数等；（Class2,Grade7)

表示城市和国家的人口数量等；表示电话号码、车牌号、门牌号、价格、年份等。基数词(表个数)的用法4.hundred,thousand,million的特别用法：前面有数词，则不用其复数，如

twohundred,fivethousand等。表示上百、上千、上百万时，用hundredsof,thousandsof,millionsof

来表示。基数词0zero1one2two3three4four

5five6six7seven8eight

9nine10ten11eleven12twelve

13thirteen14fourteen

15fifteen16sixteen17seventeen18eighteen19nineteen20twenty基数词

thirty40forty

50fifty60sixty70seventy80eighty

90ninety21twenty-one22twenty-two…

100one/ahundred1,000onethousand10,000tenthousand100,000onehundredthousand1,000,000onemillion

26twenty-six260twohundredandsixty2,261twothousand,twohundredandsixty-one2,026twothousandandtwenty-six1,200,226onemillion,twohundredthousand,twohundredandtwenty-six1.Peoplefromabout180countriesandareasliveinNewYork.2.TheCNToweris1,815feettall.3.RedSquareinMoscowisabout91,000squaremetresinsize.4.Francehasanareaofover260,000squaremiles.5.Thereareabout8,000,000peoplelivinginLondon.6.Tokyo,thecapitalofJapan,hasover13,000,000people.Learnaboutdifferentcountries

2,005=

19,724=

twothousandandfivenineteenthousand,sevenhundredandtwenty-fourHowdowesayit?

743,210=7,766,187=sevenhundredandforty-threethousand,twohundredandtensevenmillion,sevenhundredandsixty-sixthousand,onehundredandeighty-sevenHowdowesayit?Areyougoodatcalculation?Let’splayagame.

A:What’s______plus______?B:It’s_______.4,567____________+4,5676,7896,78911,35611,356Ordinalnumbers序数词Wecanuseordinalnumberstoorderthingsandevents.Weusethemtotalkaboutdates,floors,results,etc.Forexample:Iamthesecondchildofmyfamily.ItsbirthdayisonthefifthofJune.Theflatisontheseventhfloor.Howdoyouwriteit?表示日期，楼层，排序等；（theeighthofMarch)（thetenthfloor)(thesecondone)Note:序数词一般情况下必须和定冠词the连用。序数词(表顺序)的用法Women’sDayisontheeighth

ofMarch.Ourflatisontheseventhfloor.Heisalwaysthefirsttocometoschoolinourclass.基数词变序数词的口诀

基变序，有规律词尾加上th，(fourth,sixth)一、二、三，特殊例结尾字母t,

d,d(first,second,third)八去

t，九去e(eighth,ninth)ve要用f替(fifth,twelfth)ty将y改成i(twenty----twentieth)th前面有个e(fifty---fitieth)若要碰到几十几前用基来后用序(twenty-four--twenty-fourth)1=one1st

=first

2=two2nd

=

second3=three3rd

=third

4=four4th=fourth5=five5th=

fifth

6=six6th=sixth7=seven7th=seventh8=eight8th=eighth9=nine9th=ninth

10=ten10th=tenth11=eleven11th=eleventh12=twelve12th=twelfth13=thirteen13th=thirteenth14=fourteen14th=fourteenth15=fifteen15th=fifteenth16=sixteen16th=sixteenth17=seventeen17th=seventeenth18=eighteen18th=eighteenth19=nineteen19th=nineteenth

20=twenty20th=twentieth21=twenty-one21st=twenty-first22=twenty-two22nd=twenty-second100=ahundred100th=ahundredthWheredoeseveryonelive?

1.Elsalivesonthe________floor.2.Ivanlivesonthe________floor.3.Marylivesonthe________floor.4.Peterlivesonthe________floor.5.Rickylivesonthe________floor.6.Wilsonlivesonthe________floor.seventhfifteenthfourthsecondninthtwelfth一、翻译句子他的生日是在8月23日。他在英语考试中获得第一。我们住在12楼。