Multiplying Decimals Using the Number Line

The video tutorial explains how Amanda can calculate the total cost of buying 8 pencils at $0.12 each by using repeated addition, which is equivalent to multiplication. It demonstrates this concept using a number line, showing how to represent decimals and perform the calculation visually. The lesson concludes with a summary of the multiplication of decimals and whole numbers using repeated addition on a number line.

How much does each pencil cost?

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If Amanda buys 8 pencils, what will be the total cost?

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Explain how repeated addition relates to multiplication in this context.

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Describe how to represent the multiplication of 12 hundredths and eight on a number line.

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What is the final product of multiplying 12 hundredths by eight?

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