资源描述:
《英语数词导学案.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、英语导学案课题数词主备人刘景艳学习目标(简单)能够正确的掌握基数词和序数词的用法。学习难点一、基数词的用法1基数词表示数量,后面一般接复数名词(“一”除外)。如:sevendays2十位与个位之间要加___________。如:seventy-four3百位与十位之间要加_____.如:onehundredandtwenty-five4英语用千、百万和十亿等单位计数,大数字从___向____看,每隔三位划一逗号,倒数第一个逗号之前要用_________,倒数第二个逗号之前要用_________,倒数第三个逗号之前要用__________表示。如:7,258,366,200可读为:sev
2、enbillion,twohundredandfifty-eightmillion,threehundredandsixty-sixthousand,twohundred5hundred、thousand、million、billion作数词时,不用______,前面可以加上one,two其他……等其他数词。用作名词时复数表示“成……上……”,后面必须要有___,前面可以加上some,many,several等词。如:fivehundred(五百),hundredsof(成百上千的),tenthousand(一万),thousandsof(成千上万的),millionsof(成百万的)
3、6表示时间:顺读法:点钟+分钟如:2:05__________3:50____________逆读法:(1)分钟_____或______30,用“past”:分钟+past+点钟(几点过几分)如:4:15fifteen/aquarterpastfour6:30halfpastsix=thirtypastsix(2)分钟____30分钟,用“to”:分钟(60-分钟数)+to+(点钟+1)(几点差几分)如:7:40twentytoeight8:45aquartertonine=fifteentonine整点的表达:点钟+o'clock.如:9:00nineo'clock7编号的表达___
4、__+_______=the+序数词+名词如:LessonOne=thefirstlesson8小数的表达:小数点用“point”.如:0.4zeropointfour9百分数的表达:分数用“________”.如:60%sixtypercent10与表示度量衡单位的词连用:10米深/长/宽/高tenmetresdeep/long/wide/tall二、序数词的用法1序数词表示顺序,前面一般有“_____”或代词修饰,后面一般接名词单数。如:Mondayistheseconddayoftheweek.Todayishisseventeenthbirthday.注意:a/an+序数词表示
5、:又一,再一(表示泛指)Ihavefailedtwice,butIwanttotryathirdtime.2分数的表达:分子用_______,分母用_______,分子大于1,分母+___.如:1/3___________3/4______________/threequarters3日期的表达月-日-年如:IthappenedonJanuarythesecond,1990.IthappenedonJanuary2,1990.三、其他重点表达半小时_________________半天______________两天半_____________________=twodaysandah
6、alf一至两天oneortwodays=onedayortwo在20世纪90年代inthe1990s在他30多岁inhis____________一段步行5分钟的路程afive-minutewalk=fiveminutes'walk相应习题单项选择()1.333reads____________.A.threehundredsandthirtythreeB.threehundredsandthirty-threeC.threehundredandthirty-threeD.threehundredthirty-three()2.Thebeautifulskirtsareonshowin
7、theshop,Janelikes____.A.theninthB.theninethC.nineD.ninth()3.Ittookhim____tofinishhishomeworklastnight.A.onehourandhalfB.oneandahalfhoursC.oneandahalfhourD.oneandhalfahours()4.Thoughhefailedtwice,hewantedtotry____time.A.third