Multiplying Rational Numbers

Over the past week, Angel made five withdrawals from his bank account. If he withdrew $12 each time, find the total change in Angel's account over the past week.

• (‒ 12) (5) = ‒ 60

• ‒ 12 + ‒ 5 = ‒ 17

• (‒ 12) (‒5) = 69

• ‒ 12 + 5 = ‒ 17

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

A bath tub drains at a constant rate. The amount of water changes by -0.75 gallons in one minute. What is the change in the amount of water in the bathtub after 5 minutes?

• -3.75 gallons

• 375 gallons

• -0.15 gallons

• -37.5 gallons

Tags

CCSS.7.NS.A.3

Multiply. Write your answer in simplest form.

• 27/40
• -27/40
• 5/6
• -5/6

Tags

CCSS.7.NS.A.2A

Twelve negative fractions are multiplied together. What will the sign of the answer be

• Negative
• Positive
• Neither

Tags

CCSS.7.NS.A.2A

-1 x -1 x -1 x -1 x -1

• 1

• -5

• 5

• -1

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Which property of multiplication is this? (6 x20) x 5 = 6 x (20 x 5)

• Associative

• Commutative

• Identity

• Zero

Tags

CCSS.3.OA.B.5

Which property is this? ( -10) 9 = 9 (-10)

• Associative

• Commutative

• Identity

• Zero

Tags

CCSS.3.OA.B.5

Which property explains that 33 x 0 = 0?

• Associative

• Commutative

• Identity

• Zero

Tags

CCSS.3.OA.B.5

Which property explains that -100 x 1 = -100?

• Associative

• Commutative

• Identity

• Zero

Tags

CCSS.3.OA.B.5

12 x ⅓ x (-1)=

• -4

• -36

• -⅞

• ^-1/₃₆

Tags

CCSS.7.NS.A.2A