Rounding Whole Numbers Using the Number Line (Part 1)

This video tutorial teaches how to round whole numbers using a number line. It demonstrates rounding the number 1425 to the nearest ten and hundred. For rounding to the nearest ten, the number line uses benchmarks of 10 with increments of 1, showing that 1425 rounds up to 1430. For rounding to the nearest hundred, benchmarks of 100 with increments of 10 are used, showing that 1425 rounds down to 1400.

What benchmarks are used when rounding 1425 to the nearest hundred?

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Describe the final result when rounding 1425 to the nearest hundred and explain why.

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