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Why is it important to learn how to round?
First, remember this:
- When you round
numbers up
or down,
you answer the question: About how many?
- Numbers that are rounded
off are easier to remember than exact
numbers. For example, you might remember that there are about
500 students at your school. But you might forget that there
are exactly
487 students.
- Rounding numbers is a good way to estimate
when you add, subtract, multiply, or divide.
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