Multiplying Rational Numbers

(-7) (6) (-3)

• -126

• -84

• 84

• 126

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

(2.5)(-1.2)

• -3.7

• 3.7

• 3

• -3

Tags

CCSS.7.NS.A.2A

How many decimal places should we have in the product for this multiplication problem: 0.15 x 0.6

• 0

• 1

• 2

• 3

Multiply. Write your answer in simplest form.

• 30/36

• 10/12

• 5/6
• -5/6

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

• -3.75 gallons

• 375 gallons

• -0.15 gallons

• -37.5 gallons

When multiplying, same signs is (a)   different signs is​ (b)   .

• positive
• negative
• keep & add
• subtract

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

• Negative

• Positive

• Neither

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

• 5 1/4

• 3/28

• -3/28

• -5 1/4

Convert the mixed number into an improper fraction.

• 26/7

• 44/7

• 15/7

• 84/7

Multiply. HINT: Change the mixed numbers to improper fractions first!

• 3 and 2/20

• 17/4

• 4 and 3/20

• 4 and 1/4