Multiplying Negative and Positive Integers

In this video, Mr. J explains how to multiply a negative integer by a positive integer. He uses two examples: negative nine times seven and negative six times four. For each example, he demonstrates the concept using different methods, including thinking of negative groups and using the commutative property. The video concludes with a summary of the key points.

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

• Undefined

• Zero

• Negative

• Positive

What is the product of -9 and 7?

• -63

• 16

• 63

• -16

How can we think of negative groups in multiplication?

• Doubling groups

• Ignoring groups

• Taking away groups

• Adding groups

When visualizing -9 x 7 on a number line, which direction do we move?

• Down

• Left

• Up

• Right

What property allows us to switch the order of multiplication?

• Distributive Property

• Identity Property

• Associative Property

• Commutative Property

What is the product of 7 and -9?

• 16

• 63

• -63

• -16

What is the product of -6 and 4?

• 24

• -24

• 12

• -12

How can we think of -6 groups of 4?

• Adding 6 groups of 4

• Taking away 6 groups of 4

• Ignoring 6 groups of 4

• Doubling 6 groups of 4

What is the result of 4 groups of -6?

• -12

• 24

• -24

• 12

What is the final answer for -6 x 4?

• 24

• -12

• -24

• 12