Mastering Integer Multiplication and Division

This video tutorial covers the basics of multiplying and dividing integers, focusing on understanding the signs of products and quotients. It begins with an introduction to integers and their properties, followed by examples demonstrating how the sign of the result is determined by the signs of the integers involved. The video outlines general rules for multiplying and dividing integers, emphasizing that a positive times a positive or a negative times a negative results in a positive, while a positive times a negative or vice versa results in a negative. The tutorial concludes with practice problems to reinforce these concepts.

What is an integer?

• A decimal number

• A fraction

• A number that carries a positive or negative sign

• A number without a sign

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

• Positive

• Undefined

• Zero

• Negative

Tags

CCSS.7.NS.A.2A

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

• Undefined

• Zero

• Negative

• Positive

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What property allows you to switch the order of integers in multiplication without changing the result?

• Associative Property

• Distributive Property

• Identity Property

• Commutative Property

Tags

CCSS.3.OA.B.5

What is the result of multiplying two negative numbers?

• Negative

• Positive

• Zero

• Undefined

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

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

• Positive

• Negative

• Zero

• Undefined

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of dividing two negative numbers?

• Negative

• Positive

• Zero

• Undefined

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 2 times 5?

• 5

• 10

• -10

• 0

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 4 times 3 if both numbers are negative?

• -7

• -12

• 0

• 12

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 15 divided by 5 if the dividend is negative and the divisor is positive?

• 0

• -3

• -5

• 3

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B