The Number System

-8(-4) + 18 - (-7) + 13

• 6
• 56
• 70
• 87

Which expression has a negative value?

• -12 times -8
• 11 times -6
• -14 + 24

What is the value of the expression? 
-27 times 1/3 

• 81
• 9
• -9
• -81

Solve: 
-7/8 divided by -1/3

• 2 and 5/8
• 7/24
• -7/24
• 8/21

_____ +  (-7.28) = positive number
Fill in the blank.

• 7.25
• 7.8
• 7.2
• 7.24

At the beginning of the week, the temperature was 14 degrees Fahrenheit. During the week, it decreased by 25 degrees Fahrenheit. What was the temperature by the end of the week?

• 39 degrees F
• 11 degrees F
• -11 degrees F
• -39 degrees F

Which expression has a value of -19?

• (8-9) - 18
• 8 - (-9)
• -9 - 8
• -1 - (-17)

Which expression has the greatest value?

• -9 -8
• -9 + 8
• 8 - 9
• 8 - (-9)

If you add two integers.
Which condition will always give you a negative solution?

• Both Integers are negative
• Both Integers are positive
• One is positive and one is negative.
• The integers are opposites.

What is the definition of integers?

• Numbers you count on your fingers and toes
• Natural numbers and zero
• Whole numbers and their opposites
• Terminating or repeating decimals