资源简介 中小学教育资源及组卷应用平台数词专项复习教学设计【学习目标】1.复习和掌握基数词的知识点。2.复习和掌握序数词的知识点。3.通过习题巩固数词的用法。【核心任务】掌握基数词和序数词的知识点并学会在习题中灵活运用。【课时安排】本专题共两课时,第一课时完成段落一基数词之“知识回顾”;第二课时完成段落二序数词之“知识回顾”和段落三“即时练习”。第 一 课 时【内容段落】段落一“知识回顾”。【侧重目标】目标1。【评价任务】完成“教师共学1”,评估目标1。【学习过程】段落一 知识回顾〖师生共学1〗数词用来表示人或物数目的多少和顺序。所以数词主要有两种:基数词,用于计数,如one, two, three等;序数词,用于表示位置先后或次序,如first,second,third等。Ⅰ.基数词表示数目多少的数词叫基数词。如one, two, three等。1.基数词的构成规则(1)1—12独立成词:one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve(2)13—19词尾为 teen:thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen(3)20—90中整十的,后以 ty结尾:twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety(4)几十几,用“几十”和“几”,中间加“ ”来表示。如:21 twenty one(5)101—999,用百位数加“and”加十位数表示。如:218读作two hundred and eighteen(6)1,000以上的数,从右往左,每三位加一个“,”。从右往左,第一个“,”前是thousand;第二个“,”前是million;第三个“,”前是billion。读这些数字时从左往右三位数、三位数地读,各三位数的读法按百位数的读法读,逗号应读出所表示的数。如:123,456,789读作one hundred and twenty three million, four hundred and fifty six thousand, seven hundred and eighty nine2.基数词的用法(1) There are fifty seven students in our class, so wehave fifty seven desks and fifty seven chairs.我们班有57个学生,所以我们有57张课桌和57把椅子。解读表示人或事物数目多少。(2) Class Four Grade Nine九年级四班 解读基数词放名词之后可表示事物的编号, 单词首字母大写。(3) 1881 eighteen eighty one解读数字表示年份通常分成两半来说。INCLUDEPICTURE "注意.EPS" INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\注意.EPS" \* MERGEFORMATINET INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\注意.EPS" \* MERGEFORMATINET INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\注意.EPS" \* MERGEFORMATINET 1.年份的读法:1902 nineteen o two/nineteen hundred and two1900 nineteen hundred2000 two thousand2005 two thousand and five2.in the 1980s在20世纪80年代in the thirties在30年代解读数字表示年代,则要用复数形式。(4)表示年龄①At the age of ten, she could read novels.她在10岁时就会读小说了。解读at the age of+基数词, 表示“在几岁时”。②In his sixties, he rode a bike around the world.在他六十多岁时,他骑自行车环游世界。解读in one's+整十的基数词的复数形式, 表示“在某人几十岁时”。(5)表示时刻时刻的表示法有两种。①10:15 ten fifteen解读数字表达法。时在前, 分在后, 按基数词顺读。②7:05 five past seven;7:30 half past seven;7:45 fifteen/a quarter to eight解读past/to表达法。分在前, 时在后, 中间加介词past或to。(6)hundred, thousand, million等词的用法①three million dollars三百万美元解读当hundred, thousand, million前面用了基数词, 表示“几百”“几千”“几百万”时, hundred, thousand, million后不能加 s表示复数。②Hundreds of birds are flying in the sky.数以百计的鸟正在空中飞翔。解读hundred, thousand, million表示约数时, 后与of连用, hundred, thousand, million后必须加 s。(7)This is a three year old girl.这是一个3岁的女孩。解读基数词和名词构成的复合形容词:将基数词和名词用连字符连成的词具有形容词特性, 作定语修饰名词。且复合形容词中的名词用单数。(8) three years and a half=three and a half years三年半解读表示“几个半”可用“数词+名词(单复数视前面的数词而定)+and+a half”或“数词+and+a half+名词复数”。第 二 课 时【内容段落】段落二“知识回顾”和段落三“即时练习”。【侧重目标】目标2,目标3。【评价任务】完成“教师共学2”,评估目标2。完成“小组合学”,评估目标3。【学习过程】段落二 知识回顾〖教师共学2〗表示顺序的数词叫序数词。如first, second, third等。1.序数词的构成规则(1)first, second, third, fifth, eighth, ninth, twelfth解读一般是在基数词后加 th, 以上需特殊记忆。(2)twentieth, thirtieth解读在表示第几十时, 将基数词词尾ty变tie 再加 th构成。(3)1st, 2nd, 3rd, 4th解读序数词有时可用其缩略形式, 即用阿拉伯数字加序数词最后两个字母构成。(4)(the) twenty first/21st第21解读在表示第几十几时, 十位数(以及百位数、千位数等)用基数词, 个位数则用序数词。要在序数词的前面加上连字符“ ”。2.序数词的用法(1) the first picture第一幅图解读序数词加在名词之前表示事物的编号。(2) May 1st/May the first 5月1日解读表示日期时月在前, 日在后, 日要用序数词或读作序数词。(3)one fifth五分之一;two thirds三分之二解读表示分数时分子在前,用基数词;分母在后, 用序数词。当分子大于1时, 分母用复数形式。INCLUDEPICTURE "注意.EPS" INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\注意.EPS" \* MERGEFORMATINET INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\注意.EPS" \* MERGEFORMATINET INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\注意.EPS" \* MERGEFORMATINET3.14 three point one four 5% five percent要表达小数和百分数时,小数中的小数点读作point,前后的数用基数词表示;而百分数则由“基数词+percent”表示。(4)It's important to learn a second language.学习第二语言是重要的。解读序数词前一般加the, 但表示“再一;又一”时, 要加a。段落三 即时练习〖小组合学〗INCLUDEPICTURE "活学活用.EPS" INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\活学活用.EPS" \* MERGEFORMATINET INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\活学活用.EPS" \* MERGEFORMATINET INCLUDEPICTURE "D:\\没做\\中考英语杭州版教师(word)\\活学活用.EPS" \* MERGEFORMATINET 一、根据句意及首字母填写合适的单词。1.I live in Room 803.Sam lives in the room right above mine, on the ninth__ floor.2.There are twelve__ months in a year.Every month has its characteristics.3.In my family, there are six__ people, my grandparents, my parents, my sister and me.4.Adult Ceremony is important for teenagers, and it is at the age of eighteen__.5.Can you change a hundred__ for five twenties 6.My little brother is two years younger than me, so when I was fourteen__ years old,he was twelve years old.7.Several months ago, China tested its first__ aircraft carrier(航空母舰) built completely on its own.8.I was late for school in the morning for thirty__ minutes.I should have attended the class at 8:00,but it was 8:30 then.9.Twenty and twenty is forty__.10.The book sold more than a million__ copies.二、用所给词语的适当形式填空。1.Mr.Brown's office is on the __twenty sixth__ (twenty six) floor.You can take the lift there.2.The boy got the__first__ (one) place in the competition.3.Cindy likes stamps very much.She has collected about two __thousand__ (thousand) stamps from different countries so far.4.Sam has read seven novels this term, and the book he is reading now is the__eighth__ (eight) one.5.The palace was built in the__fifteenth__ (fifteen) century.It looks old but special.6.__Hundreds__ (hundred) of people celebrate the New Year's coming in the square every year.7.I wish to start my own company in my__thirties__ (thirty) without any difficulties.8.Tony Morrison is considered as one of the best writers of the__twentieth__ (twenty) century.【教学反思】21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 (共 2 页)HYPERLINK "http://21世纪教育网(www.21cnjy.com)" 21世纪教育网(www.21cnjy.com) 展开更多...... 收起↑ 资源预览