5.NF.5 Multiplication as Scaling

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What is multiplication as scaling?

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Multiplication as scaling refers to the process of increasing or decreasing a quantity by a certain factor. For example, multiplying a number by 2 scales it up, while multiplying by a fraction like 1/2 scales it down.

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What does it mean to multiply a fraction by a whole number?

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How do you determine if a product is less than a given fraction?

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To determine if a product is less than a given fraction, calculate the product and compare it to the fraction. If the product is smaller, then it is less than the fraction.

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What is a scaling factor?

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A scaling factor is a number used to multiply another number to increase or decrease its size. For example, a scaling factor of 2 doubles the number.

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How does multiplying by a fraction affect a number?

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Multiplying by a fraction less than 1 reduces the number, while multiplying by a fraction greater than 1 increases it.

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What is the relationship between multiplication and division in scaling?

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