Mastering Integer Multiplication with Different Signs

This video tutorial covers the basics of multiplying integers, including positive and negative numbers. It explains multiplication as repeated addition and provides examples of multiplying two and three integers. The video also discusses rules for multiplying integers with different signs and demonstrates techniques for handling large numbers using the distributive property.

What does the operation 5 * 4 signify?

• Subtracting 4 from 5

• Adding 5 four times

• None of the above

• Dividing 5 by 4

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CCSS.3.OA.A.1

What is the result of 6 * 3?

• 18

• 9

• 36

• 12

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CCSS.3.OA.C.7

What is the outcome when multiplying two positive integers?

• Cannot be determined

• Always negative

• Always positive

• Zero

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the product of -6 and 5?

• 11

• -30

• 30

• -11

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of multiplying a positive and a negative integer?

• Zero

• Cannot be determined

• Negative

• Positive

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the product of -9 and -3?

• -27

• 27

• -12

• 12

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How do you multiply 38 by 7 using traditional multiplication?

• Multiply and carry over

• Add repeatedly

• Subtract repeatedly

• Divide and conquer

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CCSS.4.NBT.B.5

What is the result of 26 * 35 using traditional multiplication?

• 910

• 630

• 1020

• 900

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CCSS.4.NBT.B.5

Using the distributive property, what is 99 * 8?

• 792

• 800

• 807

• 784

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CCSS.6.NS.B.4

What does multiplying 23 by 6 using the distributive property illustrate?

• The sum of products

• None of the above

• The difference of products

• The division of products

Tags

CCSS.3.OA.B.5