Look at the tens digit
If the tens digit is 5 or more, round the hundreds digit up by 1
If the tens digit is 4 or less, keep the hundreds digit the same
Change the tens and ones digits to 0
Example: 347 rounds to 300
Example: 562 rounds to 600
Look at the tens digit
If the tens digit is 5 or more, round the hundreds digit up by 1
If the tens digit is 4 or less, keep the hundreds digit the same
Change the tens and ones digits to 0
Example: 347 rounds to 300
Example: 562 rounds to 600