Visualizing and understanding rounding

When your teacher asks you to round a number, what is she really asking? What does it mean to round, and how do we round numbers? What does rounding look like, and how do we know whether to round up, or round down? Join us in this lesson on rounding, where we explore the answers to all of those questions using number lines, number blocks, and a helpful algorithm, or rule.

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Rounding - 3rd grade