Expanding by Place Value

The video tutorial draws a parallel between completing chores and solving math problems by breaking them into smaller, manageable parts. It introduces the concept of decomposing numbers by place value to simplify addition. The tutorial provides examples of adding two-digit numbers using expanded form, demonstrating the process step-by-step. It concludes by summarizing the steps and emphasizing the effectiveness of this strategy in making addition easier.

What is one way to make the chore of cleaning the kitchen easier?

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How can decomposing numbers help in addition?

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Explain how to write the number 42 in expanded form.

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What are the five steps for using expanded form to add numbers?

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Why is decomposing numbers considered a helpful strategy in addition?

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