小学英语数词复习课件

1小学英语数词复习课件2分类及定义基数词序数词表示数量的多少表示顺序的先后3基数词的用法构成基数词1-12是独立的单词one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve基数词13-19是在个位数后面加-teen构成，其中thirteen,fifteen,eighteen是不规则变化。thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen整十的基数词20-90是在个位数词后面加-ty构成，其中twenty,thirty,forty,fifty,eighty是不规则变化。twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety4非整十基数词21-99：十位数与个位数之间加上连字符“-”。twenty-one,seventy-six,eighty-eight三位数以上的基数词，百位数和十位数之间用and连接。201：twohundredandone3514:threethousand,fivehundredandfourteen98132:ninety-eightthousand,onehundredandthirty-two324901:threehundredandtwenty-fourthousand,ninehundredandone百：hundred千：thousand百万：million十亿：billion万：tenthousand十万：onehundredthousand5hundredthousandmillionbillion的用法表示确切数字时，只用其单数形式threehundredtenthousand表示不确切数字时，要用其复数形式，并且与of连用，表示约数hundredsofmillionsof典型例题1Therearemorethan______daysinayear.A.threehundredsB.threehundredC.threehundredsofD.threehundredof典型例题2______visitorstraveltotheGreatWalleveryyear.A.ThousandsB.ThousandsofC.ThousandD.Thousandof6基数词表示编号名词+基数词（首字母大写）LessonFive第五课Room306306房间PageTwelve第十二页ClassOne,GradeSix六年级一班典型例题1Thefirstlessoniseasierthan___.A.LessonsixB.LessonSixC.lessonsixD.lessonSix典型例题2Therearealotofstudentsin___.A.GradeThree,ClassTwoB.ClassTwo,gradethreeC.ClassTwo,GradethreeD.ClassTwo,GradeThree7序数词的用法构成序数词1-3是独立的单词first,second,third基数词4-19是在基数词后面加-th构成，其中fifth,eighth,ninth,twelfth,thirteenth,fifteenth是不规则变化。fourth,fifth,sixth,seventh,eighth,ninth,tenth,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth整十的基数词20-90变序数词时，变y为i再加“eth”。twentieth,thirtieth,fortieth,fiftieth,sixtieth21以上非整十基数词变序数词时，只需将其个位数变成序数词，其它位数仍用基数词。twenty-first,seventy-sixth,twohundredandeighty-eighth8常见的数词表达日期的表达月日年日月年2016年10月1日October1st,20162016年10月1日thefirstofOctober,2016January,February,March,April,May,June,July,August,September,October,November,December9时间的表达直接表达法基数词+o‘clock来表示整点eighto’clock8:00钟点+分钟elevenfive11:05sixforty6:40间接表达法topast分钟数少于30分钟，分钟+past+钟点twentypastfour四点二十eightpastone一点零八分分钟数多于30分钟，（60分钟-原分钟数）+to+（原钟点数+1）twenty-fivetonine8:35十五分钟fifteen/aquarter三十分钟thirty/half10年龄的表达“基数词+yearsold”，“yearsold”也可以省略。Theboyistwelve(yearsold).“在……年龄时”，用“attheageof+基数词”表示。Helearnedtoplaythepianoattheageofsix.“在……几十岁时”，用“inone's+整十的复数”表示。Themandiedinhisfifties.11“半”的表达一半：halfa/an+名词或ahalf+名词halfanhour或ahalfhour半小时几个半：”基数词+名词+andahalf“或”基数词+andahalf+名词“twoapplesandahalf或twoandahalfapples两个半苹果12数量词的用法表示长、宽、高，用“基数词+单位词（meter,kilometer,foot,inch等）+形容词（long,wide,high等）”表示。twometerslong两米长threeincheshigh三英尺高表示时间、距离时，用含有数词的名词所有格形式作定语。fiveminutes’walk步行五分钟twohours‘ride骑车两小时由数词和其它名词组成的复合数词，其中的名词用单数形式，各部分之间用连字符“-”来连接。athree-month-oldbaby一个三个月大的婴儿afive-dayholiday五天的假期Thebuildingistenmetershigh.（√）Thisisaten-meter-highbuilding.（√）Thebuildingisten-meter-high.（×）Thisisatenmetershighbuilding.（×）13次数的表达一次：once二次：twice三次及以上：基数词+timesthreetimes三次tentimes十次twenty-eighttimes二十八次14分数的表达基数词序数词1+s1/3onethird3/8threeeighths15倍数的表达Ais+倍数+as+形容词原级+asB“A是B的多少倍”。Thisroomistwiceasbigasthatone.Ais+倍数+形容词比较级+thanB“A比B大（多、高……）多少倍”。Thiscaristhreetimesmoreexpensivethanthattruck.Ais+倍数+thesize/length/width/height+ofB“A是B（大小、长、宽、高）的多少倍”。Thehouseisfourtimesthesizeofthatone.16171.Lincolnwasbornon________.A.February12th,1809B.1809,February12thC.1809,12thFebruaryD.February1809,12th2.A_______boycansingtheEnglishsongverywell.A.ten-years-oldB.tenyearsoldC.ten-year-oldD.tenyearold3.---Howmanystudentsarethereinyourclass?---________.A.TwentynineB.ThirtyandtwoC.Forty-fiveD.Fifties4.Thenumber4,123isread_______.A.fourthousandonehundredandtwenty-threeB.fourthousandandonehundredtwenty-threeC.fourthousandandahundredandtwenty-threeD.fourthousandsahundredandtwenty-three5.Ourschoolisnotverybig.Thereareonly________students.A.ninehundredsofB.ninehundredC.ninehundredsD.ninehundredof6.---Howmanynewwordsaretherein___lesson?---Thereareonly_____.A.five;fifthB.fifth;fiveC.thefifth;thefiveD.thefifth;five7.Therewasnobusinthatsmalltown.Wehada________.A.tenmileswalkB.ten-milewalkC.tenmile'swalkD.tenthmilewalk8.Whichroomdoyoulivein?________.A.201RoomB.Room201C.Room201stD.201'sRoom9.Threehundredthousandonehundredandseventymeans________.A.3,170B.3,117C.300,170D.30,17010.OnMay________,________peopletraveledroundthecountry.A.thefirst,millionsB.thefirst,millionsofC.first,themillionthD.first,millions1819家庭作业自制思维导图综合练习