Rounding to the Nearest 10 Using a Number Line

This video tutorial teaches how to round numbers to the nearest ten using a number line. It explains the concept of benchmark numbers, midpoints, and common mistakes in rounding. The tutorial provides examples of rounding numbers like 72 and 368, demonstrating when to round up or down based on their position relative to the midpoint. The lesson concludes with a summary of the key points covered.

What are benchmark numbers and how do they relate to rounding?

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Explain the concept of a midpoint in relation to rounding numbers.

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How do you determine whether to round up or down when using a number line?

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Describe the process of rounding the number 72 to the nearest 10.

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What happens when you round the number 135, which is at the midpoint?

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