Multiplying Positive and Negative Numbers

In this video, Mr. J explains how to multiply negative numbers. He covers three scenarios: positive times negative, negative times positive, and negative times negative. Each scenario is demonstrated with examples, showing that a positive times a negative and a negative times a positive both result in a negative product, while a negative times a negative results in a positive product. The video concludes with a summary of these rules.

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

• Zero

• Undefined

• Negative

• Positive

If you multiply 10 by -7, what is the product?

• 70

• -70

• 17

• 0

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

• Positive

• Negative

• Zero

• Undefined

Calculate the product of -4 and 11.

• 14

• -44

• 0

• 44

What happens when you multiply two negative numbers?

• The result is undefined

• The result is negative

• The result is positive

• The result is zero

Find the product of -3 and -18.

• 0

• 54

• 36

• -54

What is the product of -25 and -3?

• 50

• 0

• 75

• -75

Which of the following statements is true about multiplying negative numbers?

• A negative times a positive is positive

• A negative times a negative is negative

• A negative times a negative is positive

• A positive times a negative is positive

What is the rule for multiplying a positive number by a negative number?

• The result is undefined

• The result is zero

• The result is positive

• The result is negative

Summarize the result of multiplying two numbers with the same sign.

• The result is always negative

• The result is undefined

• The result is always positive

• The result is zero