资源简介

数词
数词的概念：
表示数目多少或者顺序先后的词叫数词。
数词的分类：
1.表示数目多少的叫基数词；如：one一，two二，three三，four四。
2.表示顺序先后的词叫序数词。如：first第一，second第二，third第三。
基数词
基数词的构成：
1-12形各异
1 2 3 4 5 6 7 8 9 10 11 12
one two three four five six seven eight nine ten eleven twelve
13-19结尾均是“teen”
13 14 15 16 17 18 19
thirteen fourteen fifteen sixteen seventeen eighteen nineteen
20-90整十数结尾均是“ty”
20 30 40 50 60 70 80 90
twenty thirty forty fifty sixty seventy eighty ninety
21-99在整十位的数词后加上个位的数词，中间加上连字符“-”
21 32 45 67 89
twenty-one thirty-two forty-five sixty-seven eighty-nine
101-999的构成要在百位数与十位数之间加and
158 one hundred and fifty-eight
369 three hundred and sixty-nine
457 four hundred and fifty-seven
743 seven hundred and forty-three
999 nine hundred and ninety-nine
1000以上的数字，从后向前数，每三位数加一“，”；
第一个“，”前为thousand（千），第二个“，”前为million（百万）……。
1,002 one thousand and two
12,300 twelve thousand and three hundred
378,456 three hundred and seventy-eight thousand four hundred and fifty-six
6,569,782 six million five hundred and sixty-nine thousand seven hundred and eighty-two
37,389,146 thirty-seven million three hundred and eighty-nine thousand one hundred and forty-six
基数词的用法：(有数字无s)
前有基数词时，hundred、thousand、million后不加s
如：There are seven hundred students in our school.
在我们学校有七百个学生。
hundreds of成百上千的、thousands of成千上万的
如：There are thousands of trees on the farm.
农场里有成千上万的树。
序数词
一、序数词的构成：
1. 123特殊记
第一 first 1st
第二 second 2nd
第三 third 3rd
4-19由相应的基数词+th构成，但注意有特殊变化(fifth,eighth,ninth,twelfth)
第四 第五 第六 第七 第八 第九 第十 第十一 第十二
fourth fifth sixth seventh eighth ninth tenth eleventh twelfth
4th 5th 6th 7th 8th 9th 10th 11th 12th
20-90整十数,变y为ie,+th
第二十 第四十 第五十 第六十 第九十
twentieth fortieth fiftieth sixtieth ninetieth
20th 40th 50th 60th 90th
5.要是遇到第几十几的序数词时，只有个位数用序数词
第三十一 第四十二 第五十三 第六十五 第八十八 第九十九
thirty-first forty-second fifty-third sixty-fifth eighty-eighth ninety-ninth
31st 42nd 53rd 65th 88th 99th
6.百、千、万的序数词有hundred－hundredth，thousand－thousandth
第三百 three hundredth
第四千 four thousandth
二、序数词的用法： 【the/形容词性物主代词+序数词】-【重点】
1.序数词前一般要加定冠词the。
如：Our classroom is on the second floor.我们的教室在二楼。
2.序数词前有物主代词，指示代词或名词所有格修饰时，不能再用定冠词the。
如：David is her third son. David是她的第三个儿子。
3.形容词的最高级前可以使用序数词，表示“第……最……的”。
如：The Yellow River is the second longest river in China. 黄河是中国第二长河。
常见表达
一、时刻-【重点】
顺读法 倒读法 (≤30用past,＞30用to） 30分钟常用half；15分钟常用a quarter
7:00 seven o’clock /
8:15 eight fifteen a quarter past eight
9:25 nine twenty-five twenty-five past nine
10:30 ten thirty half past ten
11:46 eleven forty-six fourteen to twelve
12:50 twelve fifty ten to one(一点差十分)
1.顺读法：时钟+分钟；
2.倒读法:
分钟数在30分钟以内的，用“分钟数+ past +钟点数”表示，意为“几点过几分”
分钟数超过30分钟的，用“(60-分钟数) + to +下一个钟点数”表示，意为“差几分到几点”
二、日期-【重点】
1984年 nineteen eighty-four 1984年
2008年 two thousand and eight 2008年
2023年 twenty twenty-three 2023年
2月1日 the first of February Feb.1st
3月8日 the eighth of March Mar.8th
9月12日 the twelfth of September Sept.12th
10月23日 the twenty-third of October Oct.23rd
12月30日 the thirtieth of December Dec.30th
1998.10.2 October (the) second, nineteen ninety-eight 或the second of October, nineteen ninety-eight
三、小数的表达 (小数点用point表示，零读作zero或o)
6.1 six point one
12.13 twelve point thirteen
56.08 fifty-six point zero eight
编号的表达
1.序号的表示方法：Number 6=No.6 第六号
2.书页的表示方法：Page 6= P6 第六页
3.课数的表示方法：Lesson Six=the sixth lesson 第六课
4.年级的表示方法：Grade Six 六年级
5.班级的表示方法：Class Six 六班
6.房间的表示方法：Room 301 301房间
Vocabulary.
背诵讲义P5,1-100基数词+序数词
四会单词&词组【可延后背诵】
1 January [ d nju ri] 一月 Jan.
2 February [ febru ri] 二月 Feb.
3 March [mɑ t ] 三月 Mar.
4 April [ e pr l] 四月 Apr.
5 May [me ] 五月 May
6 June [d u n] 六月 Jun.
7 July [d u la ] 七月 Jul.
8 August [ ɡ st] 八月 Aug.
9 September [sep temb (r)] 九月 Sept.
10 October [ k t b (r)] 十月 Oct.
11 November [n vemb (r)] 十一月 Nov.
12 December [d semb (r)] 十二月 Dec.
三会单词&词组
1 Open Day [ p n de ] n.开放日
2 hundred [ h ndr d] 百
3 thousand [ θa znd] 千
4 million [ m lj n] 百万
【Homework】
一、单项选择。
( )1.--What time does it begin -- .
A.In the morning B.On Monday C.At 4:00
( )2.--How many hours are there in a day -- .
A.Twelve B.Twenty-four C.Sixty
( )3.--When is Labour Day(劳动节) -- .
A.It's October 1st B.It's May 1st C.It's March 12th
( )4.--What's ten five --It's fifteen.
A.plus(加) B.minus(减) C.to
( )5.--This is my bag. --Oh, it's very old.
A.second B.two C.the second D.the two
( )6.My flat has floors. I live on the floor.
A.eighteen;eight B.eight;eighteenth C.eighteen;eighth
( )7.--Where is Grade --It's on the f1oor.
A.Sixth;three B.Six;three C.Sixth;third D.Six;third
( )8.September is month of the year.
A.ninth B.the ninth C.the nineth D.nine
( )9.The third day of the week is .
A.Monday B.Tuesday C.Wednesday D.Thursday
( )10.Our summer holiday is coming. Two students in our school will go to the beach.
A.hundred B.hundreds C.hundreds of
( )11.I'm kg. You're kg.I'm heavier(更重) than you.
A.52;50 B.50;52 C.50;50
( )12.There are seasons in a year.
A.one B.four C.twelve
( )13.--Which is the month of the year --July.
A.sixth B.seventh C.ninth
( )14.The Yellow River is longest river in China.
A.the second B.two C.second
( )15.There are students in our class.There are 19 boys and2 I girls.
A.forty B.fourty C.fourteen
( )16.Today is my birthday.
A.nine B.nineth C.ninth
( )17.February is the month of the year.
A.second B.two C.fifth
( )18.The library is on the floor.
A.nine B.nineteen C.ninth
二、用数词的正确形式填空。
1. Bill is_________(14) years old, he is in Class (2) Grade (6).
2. My birthday is on the (3) of March.
3. September is the (9) month in a year.
4. Which boy is thinner , the (1) one or the (2) one
5. There are (55) students in our class .
三、用英语表示下列时间（倒读法）。
(1) 9: 05 (2) 6:10
(3) 7:15 (4)8:30
四、用英语表示下列时间（倒读法）。
(1) 9:35 (2) 6:40
(3) 7:49 (4)8:55
五、用英语表示下列日期。
2035年 2003年
8月1号 10月15号
6月3号 1月23号

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