Separation between hundreds and tens Hundreds and tens are separated by 'and'
(in American and Canadian English 'and' is used for . ).
110 - one hundred and ten
1,250 - one thousand, two hundred and fifty
2,001 - two thousand and one


Hundreds Use 100 always with 'a' or 'one'.
100 - a hundred / one hundred

'a' can only stand at the beginning of a number.

100 - a hundred / one hundred
2,100 - two thousand, one hundred

Thousands and Millions Use 1,000 and 1,000,000 always with 'a' or 'one'.
1,000 - a thousand / one thousand
201,000 - two hundred and one thousand


Americans use commas as a separator, while Canadians use spaces.
57,458,302         57 458 302


The Number 1,000,000,000 In English this number is a billion. and 1,000,000,000,000 is a trillion.


Singular or Plural?
Numbers are usually written in singular.