Exploring Multiplication as Scaling in 5th Grade Math

The video tutorial by Mr. J introduces the concept of multiplication as scaling, demonstrating how multiplying by numbers greater than, equal to, or less than one affects the result. Through various examples, including multiplying by fractions, improper fractions, mixed numbers, and whole numbers, the video illustrates how the value of the product changes based on the multiplier's value relative to one.

What happens to a number when it is multiplied by a fraction less than 1?

• The product is greater than the original number.

• The product remains the same.

• The product is less than the original number.

• The product becomes zero.

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CCSS.5.NF.B.5B

If you multiply a number by 2, how does the product compare to the original number?

• It is half of the original number.

• It becomes zero.

• It remains unchanged.

• It is double the original number.

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What is the product of 8 times 1/2?

• 8

• 4

• 0

• 16

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What is the result of multiplying a number by 1?

• It doubles the number.

• It reduces the number to zero.

• It keeps the number unchanged.

• It halves the number.

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CCSS.5.NBT.B.7

If you multiply a number by 10/6, what can you infer about the product?

• It remains the same.

• It decreases.

• It increases.

• It becomes zero.

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CCSS.5.NF.B.5A

Multiplying a number by 3/5 results in a product that is:

• Less than the original number.

• Equal to the original number.

• Greater than the original number.

• Zero.

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CCSS.5.NF.B.5B

When a number is multiplied by a fraction exactly equal to 1, what is the outcome?

• The product is greater than the original number.

• The product is less than the original number.

• The product remains the same as the original number.

• The product becomes zero.

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CCSS.5.NBT.B.7

What is the result of multiplying a number by 7/7?

• It increases the number.

• It decreases the number.

• It leaves the number unchanged.

• It turns the number into zero.

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CCSS.5.NF.B.5B

What effect does multiplying by a fraction slightly more than 1 have on a number?

• It leaves the number unchanged.

• It resets the number to zero.

• It increases the number.

• It decreases the number.

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CCSS.5.NF.B.5B

When a number is multiplied by 8/7, the product is:

• Greater than the original number.

• Equal to the original number.

• Zero.

• Less than the original number.

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CCSS.5.NF.B.5A