Unit 3 Review-Multiplying & Dividing Rational Numbers

-7 x 4

• 24
• 28
• -28
• -24

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

Evaluate:
−30÷2

• −15
• 15
• 10
• −10

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

-27 / -27

• 0
• -0
• 1
• -1

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

• POSITIVE
• NEGATIVE
• DEPENDS ON WHICH NUMBER IS LARGER.

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

A drought can cause the level of the local water supply to drop by a few inches each week.  Suppose the level of the water supply drops 2 inches each week.  How much will it change in 4 weeks? 

• -16 inches
• -8 inches
• -2 inches

Tags

CCSS.6.NS.C.5

On a certain day, the temperature changed at a rate of -3º an hour. How many hours did it take to reach -33º?

• 11 hours

• -11 hours

• 99 hours

• -99 hours

Tags

CCSS.6.EE.B.7

CCSS.6.NS.C.5

Find the product. 3/7 X 3/4 =

• 9/24
• 9/28
• 6/32
• 1/28

Tags

CCSS.5.NF.B.6

A recipe for conchas requires 4/5 cups of flour. Estrella wants to make 1/2 of the recipe. How many cups of flour should Estrella use to make the conchas?

• 1/5

• 6/8

• 4/5

• 2/5

Tags

CCSS.6.NS.A.1

Divide.

• -2/3
• 2/3
• -3/8
• 3/8

Tags

CCSS.6.NS.A.1

CCSS.6.NS.C.5

Make sure your final answer is in simplest form!

• -7 4/5

• -3 7/15

• -5