Mastering Multiplication and Division of Integers

The video tutorial covers the rules for multiplication and division, focusing on determining the sign of the result based on the signs of the numbers involved. It provides examples for both operations and applies these concepts to real-world scenarios, such as calculating points lost in a game show and a scuba diver's descent rate.

What is the rule for determining the sign of the product when multiplying two numbers with different signs?

• The product is negative.

• The product is the same as the larger number.

• The product is positive.

• The product is zero.

Tags

CCSS.7.NS.A.2A

If you multiply 7 by 12, what is the sign of the result?

• Positive

• Negative

• Zero

• Cannot be determined

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying -7 by 12?

• 0

• 84

• -84

• -7

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the rule for determining the sign of the quotient when dividing two numbers with the same sign?

• The quotient is the same as the larger number.

• The quotient is zero.

• The quotient is negative.

• The quotient is positive.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of dividing 18 by 3?

• 6

• -6

• 0

• 3

Tags

CCSS.3.OA.A.2

If you divide 24 by 6, what is the sign of the result if one number is positive and the other is negative?

• Zero

• Cannot be determined

• Negative

• Positive

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A game show contestant loses $600 for each incorrect answer. If they answer two questions incorrectly, what is the total loss?

• -$600

• $600

• -$1200

• $1200

Tags

CCSS.7.EE.B.3

A scuba diver descends 63 feet in 18 seconds. What is the rate of descent in feet per second?

• -63 feet per second

• 63 feet per second

• -3.5 feet per second

• 3.5 feet per second

Tags

CCSS.6.RP.A.3B

What is the result of dividing 10 by 1?

• 0

• -10

• 10

• 1

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If you multiply -600 by 2, what is the result?

• -600

• 1200

• -1200

• 600

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B