How many times greater is the value of the 2 in the hundreds place than the value of the 2 in the tens place?
10 times greater.
If you round to the nearest ten, which place will help you determine if you should round up or down? Why?
The ones place, because
it can help you see if you
are more or less than halfway to the next ten.
What is 227 rounded to the nearest ten? Why?
230, because 227 is closer to 230 than 220.
What is 227 rounded to the nearest hundred? Explain.
200, because 227 is closer to 200 than 300.
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