您好,欢迎访问三七文档
当前位置:首页 > 中学教育 > 小学英语数词专题讲解教案
1小学英语数词专题讲解教案数词(一)(一)基数词(表示几):表示数目多少的词叫基数词1、1—12的基数词是独立的单词,即:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve。2、13—19的基数词以-teen结尾,但13,15,18较特殊,13—thirteen15—fifteen18—eighteen。3、20—90的整十位均以-ty结尾。但20,30,40,50,80较特殊,20—twenty,30—thirty,40—forty,50—fifty,80—eighty。4、十位数与个位数之间要加连字符号“-”,如:28twenty-eight,96ninety-six。5、百位和十位(若无十位则和个位)之间加and,如:148—onehundredandforty-eight,406—fourhundredandsix。6、hundred(百),thousand(千),等前面即使有具体的数词,也不能在它们的后面加s。如:600—sixhundred,专项练习:一、请写出以下基数词。12_________14__________18_________19__________21__________25_________37__________58_________88__________700_________二、根据句意或中文提示写出合适的英语数字。(不能用阿拉伯数字)1.Thereare__________daysinaweek.22.Thereare________________or________________daysinayear.3.Thereare________________or__________________daysinFebruary.4.Thereare____________________daysinAugust.5.Thereare__________minutesinanhour.6.Thereare__________monthsinayear.7.Thereare______________________(数百个)studentsintheschool.8.Thereare______________________(数千个)peopleinthesquare.(二)序数词——由基数词转变而来,表示“这是第几个”,表示先后顺序的数词叫序数词1.口诀巧记基数词变序数词:“一、二、三,特殊记,(第一first第二second第三third)八去“t”,九去“e”,(eight—eighthnine—ninth)“ve”要用“f”替,(five—fifth,twelve—twelfth)见y变成i和e,词尾加上th(twenty—twentieth,forty—fortieth)若是遇到几十几,只变个位就可以。(twenty-five—twenty-fifth)2.其余情况均在基数词后加th3.序数词有时用缩写形式:First缩写1st,twenty—second缩写22th.专项练习:一、把下列基数词改成序数词。one______two______three______nine______fourteen______twenty______thirty-five______five______eight______twelve______forty-one二、根据句意和所给汉语完成句子。1.LiMeiisalways_______________(第一个)tocometoschool.32.Maryliveson_______________(第十二)floorofthatbuilding.3.Todayismygrandfather’s_______________(第七十)birthday.4.TheChangjiangRiveris________(第三)longestriverintheworld.5.Take_______________(第二)turningontheleft.6.Maryis_______________(第四)intherace.数词(二)基本用法(一)基数词的基本用法用基数词来修饰可数名词时,一定别忘了用该名词的复数形式。如:十八个男孩eighteenboys(二)序数词的基本用法1.序数词前面一般要加定冠词the(或物主代词):Autumnisthethirdseasoninayear.2.如果数字较长,序数词总避免使用,而且读的方法也常常简化:第201房间:Room201第319页:page3193.在谈编了号的东西时,我们可以用基数词表示顺序:thefirstpart------partone一、时间表达法1.整点用基数词+o’clock,如:1:00____________5:00___________2.按“钟点数+分钟数”的顺序,如:6:18__________9:48______________3.分钟不超过30(包含三十)时,用“分钟+past+钟点数”表达。如:6:05______________7:15______________8:30________________44.分钟数超过30时,用“分钟数+to+钟点数”表达。其中“分钟数”为60减去原分钟数,“钟点数”为下一个钟点数。如:3:50_____________4:45_____________5:56_________________注意:在具体时刻前通常用at。如:(at)sixorsixo’clock专项练习:一、用英语写出下列时间。________________________________________________二、按要求完成句子。1.Lindadoesherhomeworkatfivefifty.(改为同义句)Lindadoesherhomeworkat________________________.2.Hemadeclothesfortwoquarters.(改为同义句)Hemadeclothesfor_______________./________________________.3.Whatisthetime?(改为同义句)________________isit?4.MrGreengoestoworkatseventeneveryday.(划线部分提问)________________________MrGreen________toworkeveryday?二、年、月、日表达法---What’sthedatetoday?---It’sMay3rd,1987.---WhenisChildren’sDay?---It’sonJunethefirst(Jun1st).---WhenisTeachers’Day?---It’sonthetenthofSeptember(Sept10th).1.年代前用in.每两位数读一个词,例如:1987年读作nineteeneighty-seven。5(in)1905读作(in)nineteenandfive(in)1800读作(in)eighteenhundred2.月份开头第一个字母须大写,表示“在某月”时,月份前面用in。(in)January,(in)March,(in)December3.日期用序数词(前需要加the)表示;“在某日”,前面用介词on.(on)Octoberthefirst4.某年某月某日如果年月日同时出现,先月后日,把年代放在最后,用逗号隔开,日要用序数词。inSep.1954onOct.1,1949(读作onOctoberthefirst,nineteenforty-nine)专项练习:一、用英语写出下列日期。_________________________________________________________二、在句中填入适当的词。1.---________isHalloween?---It’s________October.2.---________the________today?It’sJun1st.---It’s________________.3.---IsWomen’sDay________________________?---Yes,itis.4.Mid-AutumnFestivalisusually____________________or__________.5.HongKongcameback________1997.三、一些数学加减的读法:63+8=11threepluseightiseleven.9-7=2nineminussevenistwo.课后作业一、英汉互译第六课_______________20个鸡蛋______________6月2日_______________onMarch20,2004__________seventhirty________96把椅子___________No.5MiddleSchool________6:40________________fourtimes___________二、把下列基数词改成序数词。one______two______three______nine______fourteen______twenty______thirty-five______five______eight______twelve______forty-one三、选择题1.Wearegoingtolearn_____thisterm.A.booksixB.sixbookC.thebooksixD.BookSix72.Jennywasborn(出生)__________.A.onJuly10,1987B.inJuly10,1987C.in1987,July10D.on19873.Autumnis_____seasoninayear.A.thefourthB.thethirdC.athirdD.thethreeth4.Thereare_______daysinayear.A.threehundredssixty-fiveB.threehundredsandsixty-fiveC.threehundredsixty-fiveD.threehundredandsixty-five5.Thereare_______studentsinourschool.A.eighthundredsandforty-sixB.eighthundredandforty-sixC.eighthundredforty-six6.Mybrotherisin______.A.ThreeClass,OneGradeB.ClassThree,GradeOneC.GradeOne,ClassThreeD.classthree,gradeone7.Pleaseturnto________.Let’sreadthetext.A.PagetwoB.thepagetwoC.secondpageD.pagesecond8.Dannylivesin__________.A.room404B.Room404C.404roomD.404Room9.—What’sthedatetoday?—___________A.It’sSaturdayB.It’sJulyC.It’sfineD.It’sJuly1510.—Whattimedoyougetupeveryday?A.It’sseveno’clockB.Seveno’clocktimeC.AtsevenD.Onseven11.Myhomeisaboutawayfromtheschool.8A.threehundredmetreB.threehundredsmetresC.threehundredmetresD.threehund
本文标题:小学英语数词专题讲解教案
链接地址:https://www.777doc.com/doc-6641089 .html