Multiplying Signed Numbers Concepts

The video tutorial covers the multiplication of signed numbers, starting with examples and then explaining the rules. It emphasizes the concept of pairing negatives to determine the sign of the product. The tutorial reviews examples and concludes with a challenge problem to reinforce understanding.

What is the result of multiplying -4 by -5?

• -20

• 9

• 20

• -9

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If you multiply a positive number by a negative number, what is the result?

• Negative

• Zero

• Positive

• Undefined

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What happens when you multiply two negative numbers?

• The result is negative

• The result is positive

• The result is zero

• The result is undefined

Tags

CCSS.7.NS.A.2A

Which of the following is true about multiplying two positive numbers?

• The result is negative

• The result is zero

• The result is positive

• The result is undefined

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying 5 by -2?

• 10

• -10

• 0

• 5

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In the example -8 times 3, what is the result?

• -24

• 8

• -8

• 24

Tags

CCSS.3.OA.D.9

How do you determine the sign of the result when multiplying signed numbers?

• By checking the number of negative signs

• By dividing the numbers

• By adding the numbers

• By subtracting the numbers

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In the challenge problem, what is the result of multiplying four negative ones?

• -1

• 1

• 0

• 4

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of pairing two negative numbers in multiplication?

• They cancel out to zero

• They become positive

• They become undefined

• They remain negative

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying -1 by -1?

• 0

• -1

• 2

• 1

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B