6th Grade Math Textbook, Progress

(Marvins-Underground-K-12) #1
2
Numeration II

Round Whole Numbers


The population of Midway is 83,524. Since
populations change frequently, a rounded number
may be used instead of the exact number.

To round a number to a given place:
Find the place you are rounding to.
Look at the digit to its right.
If the digit is less than 5, round down.
If the digit is 5 or greater, round up.

Round 83,524 to the nearest ten.

83,5 24 The digit to the right is 4.
4  5
83,5 20 Round down to 83,520.

Round 83,524 to the nearest hundred.

83, 524 The digit to the right is 2.
2  5
83, 500 Round down to 83,500.

Round 83,524 to the nearest thousand.

83 , 524 The digit to the right is 5.
5  5
84 , 000 Round up to 84,000.

Round each to the nearest ten, hundred, and thousand.
Use a number line to help you.


  1. 6709 2. 1256 3. 7893 4. 5649 5. 42,314

  2. 11,987 7. 49,678 8. 76,432 9. 148,786 10.940,067


83,5 24

83,5 20 83,5 30

83, 524

83, 500 83, 600

83 , 524

83 , 000 84 , 000

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