Multiplying and Dividing with Negative Numbers

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

• Positive

• Negative

• Zero

• Undefined

Fill in the blank: A negative rational number can be written as a fraction in ______ different forms.

• A) One

• B) Two

• C) Three

• D) Four

Fill in the blank: Dividing zero by any non-zero number results in a ______.

• Positive

• Negative

• Zero

• Undefined

Which of the following is an example of using rational numbers to model a real-world problem?

• Calculating temperature changes

• Counting apples

• Measuring length

• Adding whole numbers.

Fill in the blank: The product of -3/8, -2/3, and -5/2 is ____.

• A) -30/48

• B) 1/4

• C) -5/4

• D) 5/4

Tags

CCSS.7.NS.A.2A

What is the result of multiplying the numerators -3, -2, and -5?

• 30

• -30

• 10

• -10

Diego's score is 2/3 of Layla's score. If Layla's score is -1.5, what is Diego's score?

• -1

• -1.5

• -1

• -2

Consider this: You can multiply to find 3/4 of a quantity. What is 3/4 of -2?

• -1.5

• -1

• -2.5

• -3

Calculate the total change in depth over the week if the depth changes from 2,366.74 ft to 2,354.63 ft.

• -12.11 ft

• -10.11 ft

• -11.11 ft

• -13.11 ft

What is 4.8(-2.5) ÷ (-0.1)?

• 1.2

• -120

• 120

• 1,200

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B