To round a number to a certain place value,
check the digit one place value to the right.
If that digit is less than five, round down.
If that digit is five or more, round up.
PLACE VALUE CHART
| ten thousands |
thousands |
|
hundreds |
tens |
ones |
| 1 | 2 | , |
3 | 4 | 5 |
To round to the tens place, check the digit in the ones place.
The digit in the ones place is 4, which is less than five.
So, round down to 2,080.
To round to the hundreds place, check the digit in the tens place.
The digit in the tens place is 6, which is more than five.
So, round up to 40,600.
3rd Grade Math - Rounding Lesson