Mastering Integer Multiplication

The video tutorial covers the rules and examples of multiplying integers. It begins with an introduction to the concept, explaining that the order of multiplication does not affect the result. The tutorial then outlines the rules for multiplying integers with different signs, emphasizing that a negative times a positive or vice versa results in a negative product, while same signs yield a positive product. Several examples are provided to illustrate these rules. The video also discusses multiplying more than two factors, highlighting the importance of considering two factors at a time.

What is the result of multiplying -4 by 3?

• 12

• -12

• -7

• 7

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If you multiply 3 by -4, what will be the result?

• 7

• -7

• -12

• 12

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying a negative number by a positive number?

• Zero

• Negative

• Positive

• Undefined

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying two positive numbers?

• Positive

• Negative

• Zero

• Undefined

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CCSS.7.NS.A.2A

What is the result of multiplying two negative numbers?

• Positive

• Negative

• Zero

• Undefined

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying 4 by -5?

• 9

• 20

• -20

• -9

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying -3 by 6?

• -18

• 18

• -9

• 9

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying -5 by -6?

• 11

• 30

• -30

• -11

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying -6, -2, and 2?

• -24

• 12

• 24

• -12

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying -3, -2, and -5?

• 15

• 30

• -30

• -15

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B