Multiplying Integers and Their Properties

This video tutorial explains how to multiply integers using integer chips. It covers the basics of integer chips, demonstrating multiplication with examples such as 4 times 3, 4 times negative 3, negative 4 times 3, and negative 4 times negative 3. The tutorial concludes with the formal rules for multiplying integers, highlighting that the product of two integers with the same sign is positive, while the product of two integers with different signs is negative.

What does a positive integer chip represent?

• Positive 2

• Negative 1

• Positive 1

• Zero

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CCSS.7.NS.A.1B

How do two opposite integer chips combine?

• They double in value

• They cancel each other out

• They become negative

• They become positive

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying 4 by 3 using integer chips?

• Zero

• Positive 12

• Negative 12

• Positive 6

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How is 4 times negative 3 represented using integer chips?

• Four groups of positive 3

• Three groups of negative 4

• Four groups of negative 3

• Three groups of positive 4

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of negative 4 times positive 3?

• Negative 6

• Zero

• Negative 12

• Positive 12

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CCSS.7.NS.A.2C

Using the commutative property, what is negative 4 times 3 equivalent to?

• Negative 3 times negative 4

• 3 times negative 4

• 4 times 3

• Negative 3 times 4

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of negative 4 times negative 3 using integer chips?

• Negative 12

• Positive 12

• Zero

• Negative 6

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the product of two integers with the same sign?

• Negative

• Positive

• Undefined

• Zero

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CCSS.7.NS.A.2A

What is the product of a positive and a negative integer?

• Positive

• Negative

• Zero

• Undefined

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CCSS.7.NS.A.2A

Which of the following is true about multiplying integers with different signs?

• The product is undefined

• The product is zero

• The product is negative

• The product is positive

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CCSS.7.NS.A.2A