This video tutorial covers the multiplication and division of rational numbers, focusing on the rules for handling positive and negative signs. It emphasizes working with two numbers at a time and provides examples using whole numbers, fractions, and decimals. The tutorial concludes with complex examples and a summary of the key points.

What is the result of multiplying two positive numbers?

• Negative

• Positive

• Zero

• Undefined

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What happens when you multiply a positive number by a negative number?

• The result is zero

• The result is undefined

• The result is positive

• The result is negative

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CCSS.7.NS.A.1C

Why is it important to work with two numbers at a time?

• It simplifies the calculation

• It ensures the correct sign of the result

• It makes the process faster

• It is a rule of thumb

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

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

• Undefined

• Negative

• Zero

• Positive

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

If you have -4 * -2, what is the result?

• 8

• -8

• 0

• 2

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CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of -6/3?

• 0

• 2

• -2

• Undefined

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CCSS.5.NF.B.6

When multiplying fractions, what should you do first?

• Convert to decimals

• Multiply the numerators and denominators

• Find a common denominator

• Add the fractions

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CCSS.6.NS.B.3

What is the result of 3.3 * 0.2?

• 0.33

• 3.3

• 6.6

• 0.66

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CCSS.7.NS.A.2B

How do you handle the signs when dividing decimals?

• Check the signs of both numbers

• Only consider the sign of the numerator

• Ignore the signs

• Only consider the sign of the denominator

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CCSS.7.NS.A.2A

What is the final result of -7/10 * -3/10?

• -7/10

• 7/10

• 21/100

• -21/100

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CCSS.7.NS.A.2A