:: If a number is in the range 21 to 99, and the second digit is not
zero, we should write the number as two words separated by a hyphen:
25 twenty-five
57 fifty-seven
89 eighty-nine
:: Numbers over 100 are generally written in figures. However if
you want to say them aloud or want to write them in words rather than figures
you put 'and' in front of the number expressed by the last two
figures. For example:
203 two hundred and
three (AmE:
two hundred three)
622 six hundred and
twenty-two (AmE: six hundred twenty-two)
:: Numbers between 1000 and 1,000,000 is usually said or written in
words as:
1,803 one thousand, eight
hundred and
three (AmE:
one thousand, eight hundred three)
1,963 one thousand, nine
hundred and sixty-three (AmE: one
thousand, nine hundred sixty-three)
2,840 two thousand, eight
hundred and
forty (AmE:
two thousand, eight hundred forty)
Four-figure numbers ending in 00 can also be said or written as a number of
hundreds. For example, 1800 can be said or written as "eighteen
hundred"
:: If the number 1963 is being used to identify
something, it is said as "one nine six three". We always say
each figure separately like this with telephone numbers. If a telephone number
contains a double number, we use the word "double":
561 6603 five six one [pause]
double six 'oh' three (AmE: five six one [pause]
six six 'oh' three)
:: Saying years. We normally say a year in two parts. In the
case of years ending in "00", we say the second part in "hundred":
1058 ten fifty-eight
1706 seventeen hundred and six (or 'seventeen
oh six')
1865 eighteen sixty-five
1900 nineteen hundred
There are two ways of saying years ending in "01" to "09"
before 2000. For example: "1901" can be said as "nineteen oh
one" or "nineteen hundred and one". The year 2000 is
read "two thousand", 2006 "two thousand and six"
(AmE: two thousand six). Post-2010 dates are often said as normal (2010
would be "twenty ten").
:: Flight numbers. We pronounce a flight number in two parts
or digit-by-digit. For example:
110 one ten (or 'one
one oh')
1248 twelve forty-eight
2503 twenty-five oh three
3050 three oh five oh (or 'three
zero five zero', 'thirty fifty')
:: Expressing millions.
1,412,605 one
million four hundred (and) twelve thousand six hundred (and) five
2,760,300 two
million seven hundred (and) sixty thousand three hundred
Remember: The British use 'and' before tens and ones but
the Americans usually leave the 'and' out.
source:http://super-vocabulary.blogspot.co.id