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

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the product of -9 and 7?

• -63

• 16

• 63

• -16

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How can we think of negative groups in multiplication?

• Doubling groups

• Ignoring groups

• Taking away groups

• Adding groups

Tags

CCSS.7.EE.B.3

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

• Down

• Left

• Up

• Right

Tags

CCSS.7.NS.A.1B

What property allows us to switch the order of multiplication?

• Distributive Property

• Identity Property

• Associative Property

• Commutative Property

Tags

CCSS.5.NBT.B.7

What is the product of 7 and -9?

• 16

• 63

• -63

• -16

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the product of -6 and 4?

• 24

• -24

• 12

• -12

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

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

Tags

CCSS.3.OA.A.3

What is the result of 4 groups of -6?

• -12

• 24

• -24

• 12

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the final answer for -6 x 4?

• 24

• -12

• -24

• 12

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B