Adding and Subtracting Integers on a Number Line

When you add a negative number, the arrow goes to

• left (opposite)

• right

• neither

• both directions

When adding positive numbers on a number line, you move to the ____________.

• Right

• Left

Frank takes $6.50 out of his bank account. Which letter correctly shows this situation on the number line as it relates to Frank's bank account?

• A

• B

• C

• D

Which problem does not have a sum of (-4)?

• (-9) + (-5)

• 3 + (-7)

• (-9) + 5 

• (-3) + (-1)

How would you rewrite -10 - 5?

• 10 + (-5)

• -10 + 5

• -10 + (-5)

• 10 + 5 

Rewrite the expression

7 - (-6)

• 7 - 6

• 7 + (-6)

• 7 + 6

• -7 + (-6)

-4 - 7

• -11

• 11

• -3

• 3

Which situation could the integer -50 represent?

• An increase of $50 in a bank account

• The temperature on a warm spring day

• The distance driven on the way to the beach

• A decrease of 50 employees

Which are the correct steps for rewriting a subtraction problem into addition?

• Keep first number the same
  Change Subtraction sign
  Change second number to opposite

• Keep first number the same
  Change Subtraction into Addition
  Change second number to opposite

• Change the first number into the opposite
  Change Subtraction to Addition
  Keep second number the same

• Change the first number into the opposite
  Change Subtraction to Addition
  Change second number to opposite

• Left

• Right