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Writing Whole Numbers


Whole numbers from 0 through 20 are written as single words.

Examples:
  • 5 is written as five
  • 13 is written as thirteen
  • 11 is written as eleven
  • 9 is written as nine

Whole numbers from 21 through 99, which do not end in zero are written as hyphenated words.


Examples:
  • 36 is written as thirty-six
  • 78 is written as seventy-eight
  • 52 is written as fifty-two

Whole numbers should not include the word 'and' in written form:


Examples: