How do you round 456 to the nearest hundred?

Well, isn't that just a happy little question? To round 456 to the nearest hundred, we look at the digit in the tens place, which is 5. Since 5 is greater than or equal to 5, we'll round the hundreds place up by 1. So, 456 rounded to the nearest hundred is 500. Just like that, we've created a little rounding masterpiece!