Integer Operations and Properties

This video tutorial reviews the rules for multiplying and dividing integers, focusing on the sign of the result based on the signs of the integers involved. It provides examples of division and multiplication, including cases with zero and explains why division by zero is undefined.

What is the result when multiplying or dividing two integers with the same sign?

• Zero

• Always negative

• Always positive

• Depends on the numbers

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

What is the result of 8 divided by 1?

• Undefined

• Negative 8

• Zero

• Positive 8

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

Why is division by zero undefined?

• Because no number times zero equals a non-zero number

• Because it results in zero

• Because zero is not a number

• Because it results in infinity

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CCSS.3.OA.B.5

What is the product of any number and zero?

• The number itself

• Undefined

• Zero

• One

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

What is the result of negative 8 times negative 1?

• Negative 1

• Positive 8

• Zero

• Negative 8

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

What is the result of positive 8 divided by negative 8?

• Zero

• Negative 1

• Positive 1

• Undefined

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CCSS.6.NS.C.6A

What is the opposite of negative 1?

• Zero

• Negative 1

• Undefined

• Positive 1

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of negative 8 divided by positive 8?

• Undefined

• Zero

• Negative 1

• Positive 1

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CCSS.3.OA.D.9

What is the result of 0 divided by 8?

• Positive 8

• Undefined

• Negative 8

• Zero

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

What is the result of 0 times 8?

• Undefined

• Positive 8

• Negative 8

• Zero

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A