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Here are some tips for Rounding Large Numbers, which aligns with Texas state standards:

Rounding Large Numbers


To do this topic, you need to know how to round numbers.
To review the Rounding Numbers topic, see here.

Rounding large numbers is the same as rounding regular numbers. The same rules apply.

TIP: For large numbers, use the commas to help you with place values.


Examples:

Round each number to the nearest 10,000.
a. 52,908
  Look at the thousands place: 52,908
2 is less than 5 so round 52,908 down to 50,000.
b. 179,952
  Look at the thousands place: 179,952
9 is greater than 5 so round 179,952 up to 180,000.

Round each number to the nearest 1,000,000.
a. 74,428,133
  Look at the hundred-thousands place: 74,428,133
4 is less than 5 so round 74,428,133 down to 74,000,000.
b. 1,283,264,999
  Look at the hundred-thousands place: 1,283,264,999
2 is less than 5 so round 1,283,264,999 down to 1,283,000,000.

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