Teacher2Teacher 
Q&A #7370 
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From: Loyd To: Teacher2Teacher Public Discussion Date: 2003042517:24:58 Subject: Re: Re: use of commas in math  you bet!! I agree. There is no doubt that the comma makes saying large numbers much easier. Maybe small numbers up to a 9999 don't need commas, but for large numbers they are a great help.
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