Mastering Integer Multiplication and Division Rules

This video tutorial by Mr. Ace Math covers the rules for multiplying and dividing integers. It emphasizes that if integers have the same sign, the result is positive, and if they have different signs, the result is negative. The video provides multiple examples to illustrate these rules and includes a practice section for viewers to test their understanding. The lesson concludes with a review of the key concepts and a reminder that the rules for multiplication and division differ from those for addition and subtraction.

What are the prerequisites for this lesson?

• Knowledge of algebra

• Basic addition and subtraction

• Understanding fractions

• Basic multiplication and division

Tags

CCSS.5.NF.B.5B

What is the result of multiplying two integers with the same sign?

• Undefined

• Positive

• Zero

• Negative

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of dividing two integers with different signs?

• Positive

• Negative

• Zero

• Undefined

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 5 times -7?

• -35

• -12

• 35

• 12

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of -12 times -10?

• 22

• -22

• 120

• -120

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of -42 divided by -3?

• 39

• -39

• 14

• -14

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 84 divided by -4?

• -20

• 20

• -21

• 21

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 420 divided by 2?

• -210

• 210

• 220

• -220

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of -195 divided by 5?

• 39

• -39

• -40

• 40

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

True or False: The rules for multiplying and dividing integers are the same as adding and subtracting integers.

• False

• True

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B