Multiplying Integers and Their Signs

This video tutorial covers the basic rules for multiplying integers, including how the sign of the product is determined by the signs of the integers being multiplied. It provides examples of multiplying two integers and extends to cases involving more than two integers. A shortcut rule is introduced for determining the sign of the product when multiplying multiple negative integers. The video concludes with a summary of the key points discussed.

What is the result when you multiply two positive integers?

• Zero

• Negative

• Positive

• Undefined

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If you multiply a negative integer by another negative integer, what will the product be?

• Negative

• Positive

• Zero

• Undefined

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CCSS.7.NS.A.2A

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

• Positive

• Negative

• Undefined

• Zero

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CCSS.7.NS.A.2C

When multiplying more than two integers, what is the first step according to the left-to-right method?

• Subtract the integers

• Divide the integers

• Multiply the first two integers

• Add all integers

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying positive 2, negative 5, and negative 6?

• Positive 10

• Positive 60

• Negative 10

• Negative 60

Tags

CCSS.3.OA.D.9

How does the shortcut rule determine the sign of the product when multiplying multiple integers?

• By counting the number of positive integers

• By adding all integers

• By subtracting all integers

• By counting the number of negative integers

Tags

CCSS.7.NS.A.2A

According to the shortcut rule, what is the sign of the product if there is an even number of negative integers?

• Zero

• Undefined

• Negative

• Positive

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the product of negative 2, negative 3, and negative 5?

• Positive 30

• Zero

• Positive 60

• Negative 30

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CCSS.7.NS.A.2A

If you have four negative integers, what will be the sign of their product?

• Positive

• Undefined

• Negative

• Zero

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CCSS.3.OA.A.1

What is the product of 1, 5, 2, and 3 when all are multiplied together?

• 15

• 20

• 30

• 10

Tags

CCSS.3.OA.A.1