Teacher2Teacher 
Q&A #495 
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From: teacher To: Teacher2Teacher Public Discussion Date: 2007083019:25:29 Subject: Re: rounding numbers Mom is right the answer is 300. The number in the ones place requires that you round up which changes the 9 to a 10. 10 tens would be 100 so therefore you add that to the 200 and you get 300.
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