SOL Review: Number & Number Sense

Zero _______________.

• has an absolute value of zero.

• is not positive or negative.

• is its own opposite.

• all of the above are correct.

A number's absolute value will always, sometimes, or never be equal to its opposite?

• always

• sometimes

• never

Put the following numbers in descending (greatest to least) order:

-8 , |-9| , 5 , 0 , |7| , -2

• |-9| , -8 , -2 , 0 , 5 , |7|

• |-9| , |7| , 5 , 0 , -2, -8

• -2 , -8 , 0 , 5 , |7| , |-9|

• |-9| , |7| , -8 , 5 , -2 , 0

-8 ____ -9

• <

• >

• =

Choose ALL correct statements about the integers -7 and 7.

• they are opposites

• they have nothing in common

• they are equal

• they have the same absolute value

Which number is NOT a perfect square?

• 324

• 256

• 296

• 169

Which shows 7⁴ in expanded form?

• 7 • 7 • 7 • 7

• 
  2401

• 4 • 4 • 4 • 4 • 4 • 4 • 4

• 16,384

Choose ALL of the correct ways to say 6².

• six to the second power

• 
  six squared

• 
  two to the power of six

• six cubed

• 
  six to the power of two

How do you read the problem √361?

• radical 361

• the perfect square 361

• 
  to the power of 361

• 
  the square root of 361

√361 =