Understanding Division of Positive and Negative Numbers

The video tutorial explains the rules for dividing positive and negative numbers by building a pattern through examples. It demonstrates that a positive number divided by a positive number results in a positive answer, a negative divided by a positive results in a negative answer, a positive divided by a negative results in a negative answer, and a negative divided by a negative results in a positive answer. The tutorial concludes that any combination of positive and negative numbers can be divided using this established pattern.

What is the purpose of establishing a pattern for dividing positive and negative numbers?

• To avoid using calculators

• To make multiplication easier

• To predict the sign of the result

• To simplify addition

Tags

CCSS.7.NS.A.2B

What is the result of dividing a positive number by another positive number?

• Negative

• Zero

• Positive

• Undefined

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If you divide -20 by 5, what is the result?

• 0

• -4

• 5

• 4

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result when a positive number is divided by a negative number?

• Undefined

• Zero

• Negative

• Positive

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Calculate the result of 20 divided by -2.

• 10

• -10

• 0

• 2

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of dividing a negative number by another negative number?

• Undefined

• Negative

• Zero

• Positive

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If -32 is divided by -4, what is the result?

• 4

• -8

• 8

• 0

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Why can't the result of -32 divided by -4 be -8?

• Because division by zero is not allowed

• Because -32 is not divisible by -4

• Because it would imply -4 equals 4

• Because -8 is not a valid number

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What does the completed pattern of division tell us about multiplying positive and negative numbers?

• It is unpredictable

• It follows the same sign rules

• It always results in zero

• It is not possible

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B