Multiplying Rational Numbers

What is the sign of:

the product of two positive numbers?

• Positive

• Negative

• Zero

Tags

CCSS.7.NS.A.2A

What is the sign of:

Two numbers with opposite signs?

• Positive

• Negative

• Zero

Tags

CCSS.7.NS.A.1A

What is the sign of:

The quotient of two negative numbers?

• Positive

• Negative

• Zero

Tags

CCSS.7.NS.A.2A

Determine the product: -3 X (3)

• 9

• -9

• 1

• -1

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Determine the product: -2.14 x (5.8) =

• -12.412

• 10.45

• 12.412

• -10.45

Tags

CCSS.7.NS.A.2A

Determine the quotient: -22.196 / 6.2 =

• 4.12

• 3.58

• -4.12

• -3.58

Tags

CCSS.7.NS.A.2B

Determine the product: 2/9 X (-6/11)=

*Simplify your answer!

• -12/99

• 12/99

• -4/33

• 4/33

Tags

CCSS.7.NS.A.2A

What does the commutative property mean?

• You can group the numbers in any order and get the same answer

• You can change the order of the number and get the same answer.

Tags

TEKS.MATH.2.4B

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

The amount of shore at a beach changes an average of -3/4 feet each year. What is the amount of shore after 7 years?

• 5 1/4

• 3/28

• -3/28

• -5 1/4

Tags

CCSS.7.NS.A.2A