Rounding 7-digit numbers to the nearest million
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I can round seven-digit numbers to the nearest million.
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Sometimes numbers are rounded as approximations or to give an estimate or average.
To round to the nearest multiple of 1,000,000 identify the previous and next multiples of one million and the midpoint.
When we round to the nearest multiple of one million, the critical digit is the 100,000s digit.
If the critical digit is a 4 or less, we round to the previous multiple of one million.
If the critical digit is a 5 or more, we round to the next multiple of one million.
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