高考重点要求：
1．掌握基数词、序数词、分数词、倍数、百分数、年月日、钟点、年龄、序号的基本用法。
2．掌握不定数量词、约数词的表达方法。
数词在各个题项中，单选、阅读、听力、写作中发挥着很强的作用，往往用以说明事实的精确性和可信性。数词是由两大部分构成的即基数词和序数词，而其他数字表示法如分数，小数等均由这两大部分的不同组合而构成。
（三）数词的用法：
1.英语中年月日、点钟、序数词、分数词、算式列表
示例
英语表示法
2001．6．30
June 30,2001 30June,2001 30thJune, 2001
7：25
seven twenty-five twenty-five past even
12:54
twelve fifty four six to one
9:15
nine fifteen a quarter past nine
2:30
two thirty half past two
21:50
twenty-one fifty 9:50p.m.
第21
twenty-first
第123
one hundred and twenty-third
a half
two and two-fifths
20%
20 per cent 20 percent
第七路公共汽车
Bus Number Seven
第201房间
Room 201
人民路153号
153 Renmin Road
4 8 =12
Four plus eight is twelve
11-7=4
Eleven minus seven is four.
6×5=30
Six times five is thirty.
20÷5=4
twenty divided by five is four.
A＞B
A is more than B.
A＜B
A is less than B.
A≈B
A is approximately (近似地, 大约)equals to B.
A≠B
A is not equal to B.
2.约数表示法列表
含义
英语表达
例句
大于某数
more than
He has lived here for more than twenty years.
over
she is over fifty.
or more
There're thirty people or more in the meeting-room.
小于某数
less than
I have less than (not more than )fifty dollars.
under
Children under seven are not allowed to enter.
below
He would not sell it for below a hundred fifty dollars.
or less
The coat might cost him sixty dollars or less.
大约（某数）
nearly
She is nearly fifty now.
almost
Its almost three o'clock.
up to
Up to ten men can sleep in this tent.
or
He spent four or five days writing the article.
or so
The distance is twenty miles or so.
about
I visited that village about three years ago.
some
Their team has some four or five players.
more or less
The container can hold more or less twenty pounds of water.
around/round
Let's make it round/around eight o'clock.
本文来自：逍遥右脑记忆 /waiyu/yingyuxuexi/18271.html
相关阅读：英语口语发音要诀
听懂新闻英语的十大方法
摆脱英语垃圾词汇的绝技
一个平凡考生的经验
英语的学习、翻译与文化修养