There are two rules that people follow:

1. The basic rule is very simple:

- use words for numbers from 0 to 9

- use figures for numbers from 10 on

There were six people at the meeting.

There were 12 people at the meeting.

2. Some people use a slightly different rule:

- use words for numbers from 0 to 99

- use figures for numbers from 100 on

There were sixty people at the meeting.

There were 120 people at the meeting.

Whether you use rule 1 or 2, the important thing is to apply the rule consistently.

There are some exceptions to these rules:

a. If the number comes at the beginning of a sentence, it is normally written as a word:

Two hundred people were present.

b. Dates, times with AM or PM, street numbers, chapter numbers, page numbers, measurements etc. are normally expressed as figures:

January 1, 2010

6:25AM

10 Downing Street

6 kilograms

Chapter 3

page 255

c. Decimals, percentages, degrees and money with fractions are normally expressed as figures:

0.465

7° or 7 degrees

54% or 54 percent

$7.25

Finally, note that all ordinal numbers are normally expressed as words:

twenty-first century

Third Reich

his second wife

Twenty-third Psalm

［本帖由 englishfan 最后編輯于 08-3-20 19:56］