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Tarirotari Posted 16 years ago
Grammar

I teach 6 to 7-year-old children.

I teach 6 to 7-year-old children.
I teach 6-to-7-year-old children.
I teach 6-7-year-old children.

Which is right, if any?

Thank you in advance.
  

Top answer

For number 3, you would need two dashes on the keyboard between the 6 and 7 to replace "to". No. 2 would be preferable, I think.

  • For number 3, you would need two dashes on the keyboard between the 6 and 7 to replace "to".
  • No.
  • 2 would be preferable, I think.
  • " but there are conventions that believe the hyphenation isn't necessary.
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3 Answers
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For number 3, you would need two dashes on the keyboard between the 6 and 7 to replace "to".

No. 2 would be preferable, I think.

Some argue that it is no longer necessary to hyphenate numerical age and year old, e.g., "Two 70 year old men were arguing in the park."

I still prefer "Two 70-year-old men..." but there are conventions that believe the hyphenation isn't neces
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Thanks Sam,

I think I'll also stick to the hyphens.
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You're looking for what's called a suspended hyphen.

I teach 6- to 7-year-old children.

Other examples:

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