Understanding Fractions and Division

The video tutorial explains how to simplify fractions by understanding that a fraction bar represents division. It provides examples, such as simplifying 15/3 to 5 and 0/6 to 0, and discusses why 9/0 is undefined. The tutorial also uses conceptual models to illustrate these concepts, emphasizing the relationship between division and multiplication.

What does the fraction bar in a fraction represent?

• Multiplication

• Subtraction

• Addition

• Division

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CCSS.6.EE.A.1

What is the result of simplifying the fraction 15/3?

• 1

• 15

• 5

• 3

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CCSS.4.NBT.B.6

If 15 divided by 3 equals 5, what multiplication fact is true?

• 5 times 3 equals 8

• 5 times 3 equals 10

• 3 times 5 equals 15

• 15 times 3 equals 5

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CCSS.5.NF.B.3

What is the simplified form of the fraction 0/6?

• 6

• Undefined

• 1

• 0

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CCSS.5.NF.B.3

Why does the fraction 0/6 simplify to 0?

• Because 0 divided by 6 is undefined

• Because 6 divided by 0 is undefined

• Because 0 divided by 6 is 0

• Because 6 divided by 0 is 6

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CCSS.5.NF.B.5B

What is the result of dividing any number by zero?

• Undefined

• The number itself

• Zero

• One

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CCSS.5.NF.B.5B

Why is the fraction 9/0 considered undefined?

• Because 0 divided by 9 equals 0

• Because division by zero is undefined

• Because 9 divided by 0 equals 9

• Because 9 divided by 9 equals 1

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CCSS.3.OA.C.7

What multiplication problem would correspond to 9 divided by 0?

• Some number times 0 equals 9

• 9 times 0 equals 9

• 0 times 9 equals 0

• 9 times 1 equals 9

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CCSS.3.OA.A.2

What happens when you try to partition a whole into zero parts?

• You get infinite parts

• It is not possible

• You get zero parts

• You get one whole

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CCSS.5.OA.B.3

What is the conceptual issue with dividing by zero?

• It results in a negative number

• It results in a whole number

• It results in a fraction

• It is not possible to divide something into zero parts

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CCSS.5.OA.B.3