Combining Opposites on a Number Line

This video tutorial teaches how to make zero by combining opposite numbers on a number line. It explains the concept of positive and negative directions on both horizontal and vertical number lines. Real-life examples, such as walking distances and diving, illustrate how opposite numbers work. The lesson concludes with advanced concepts, showing that starting from zero is not always necessary to understand opposites.

What are opposites in the context of a number line?

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Explain how James used opposite numbers to return home.

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Describe the example of the diver and how it relates to opposite numbers.

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How can you represent a situation where you do not start at 0 on a number line?

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What is the significance of combining opposite numbers to make 0?

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