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Adding & Subtracting Rational Numbers Review

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  • -6 - (-10) = _______
    4
  • -14 + 25 = _____
    11
  • -22 + _____ = -15
    7
  • A hotel elevator is on the 14th floor. If it goes up 5 floors then goes down 8 floors, what floor is it on now?
    11th floor
  • -1.5 + 3.4 = _______
    1.9
  • -6 + (-3) = ______
    -9
  • 3/5 + (-1/5) = __________
    2/5 or 4/10
  • -6 + _____ = 20
    -26
  • -3 - 5 = _____
    -8
  • -13.5 + 7.25 =
    -6.25
  • Peter is on the 23rd floor of a hotel. His car is parked 6 floors underground in the parking garage. What is the difference in floors between Pete and his car?
    29 floors
  • 15 - 20 = ______
    -5
  • -14.25 - (-3.98) = ______
    -10.27
  • 4.25 - ______ = 7.5
    -3.25
  • -2.5 + ______ = -5.65
    -3.15
  • 1/4 + 5/6 = ______
    13/12 or 1 and 1/12
  • -6 - (-3) = _____
    -3
  • 5/6 + 9/10 = ______
    1/15
  • Mr. Phillips' account lost $50, gained $200 and then lost $400. What was the total change in the amount of money in his account?
    -$250
  • The temperature in Juno, AK was 5 degrees at 7am. The temperature dropped 15 degrees every hour for 3 hours. What was the temperature at 10am?
    -40
  • Ben and Sam are diving in a lake. When Ben is at 14 feet below sea level, he spots Sam 9 feet below him. Find Sam's depth.
    -23 or 23 feet below sea level
  • What is the distance between 6 and -3 on the number line?
    9 units
  • -3 - _____ = 5
    -8
  • -8.12 - 13.84 = ______
    -21.96