Mastering Integer Multiplication Techniques

The video tutorial covers the basics of multiplying integers, including rules for handling positive and negative numbers. It uses examples like board games, race car games, and balloon elevation to illustrate concepts. The tutorial emphasizes the importance of understanding the signs of factors and their effects on the product, using visual aids like number lines and mathematical properties to reinforce learning.

What is the result of multiplying two negative integers?

• A positive integer

• A negative integer

• Zero

• It depends on the integers

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If you multiply a negative integer by a positive integer, what will be the sign of the product?

• Positive

• Negative

• Zero

• It depends on the integers

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

In a board game, if a player moves back 2 spaces for 4 turns, what integer represents the total change in position?

• -6

• -4

• -8

• -2

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CCSS.7.NS.A.3

Why is repeated addition equivalent to multiplication?

• Because addition is a subset of multiplication

• Because addition and multiplication are the same operations

• Because repeated addition is a shortcut for multiplication

• Because multiplication is always easier than addition

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CCSS.3.OA.A.1

What is the total change in points if a player loses 6 points each time they hit a cone and they hit 10 cones?

• -40

• -50

• -60

• -30

Tags

CCSS.7.NS.A.3

Could the product of a positive integer and a negative integer ever be positive?

• It depends on the integers

• Yes, sometimes

• No, never

• Yes, always

Tags

CCSS.7.NS.A.2A

If a balloon descends 500 feet per minute, what is the change in elevation after 3 minutes?

• -2000 feet

• -500 feet

• -1000 feet

• -1500 feet

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CCSS.7.NS.A.3

What is the result of multiplying -3 by -10?

• 10

• -10

• 30

• -30

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Using the distributive property, what is the result of -3 times -10?

• 30

• -10

• -30

• 10

Tags

CCSS.7.NS.A.2C

What is the product of -7 and 2?

• -9

• -14

• 9

• 14

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B