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