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When you are rounding to the nearest hundred, look at the
tens place digit of the number.

If the tens digit is 0, 1, 2, 3, or 4, then the hundreds digit
does not change. You are rounding down.

If the tens digit is 5, 6, 7, 8, or 9, then the hundreds digit
increases by one. You are rounding up.

All the other digits after the hundreds digit (tens digit and
ones digit) go to zero in both cases.
Rounding Numbers
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Rounding Numbers to the Nearest Hundred < you are here
Example: Round 652 to the nearest hundred.
rounding to the nearest hundred
The digit in the tens place
is five or more, so round
up to 700
Example-2: Round 2,345 to the nearest hundred.
rounding to hudred
Look to the  right of the
hundred place.

T
he digit in the tens place
is less than 5, so round
down to
2,300