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Positive and Negative Numbers

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    Positive and Negative Numbers
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  • Which is warmer: -11 degrees or -12 degrees?
    -11 degrees! -11 > -12
  •  15
  • Which is COLDER: -11 degrees or -10 degrees?
    -11 is colder! -11 < -10
  •  15
  • It was 70 degrees at 7 pm. The temperature dropped by 10 degrees by midnight. What was the temperature at midnight?
    60 degrees
  •  15
  • It was 8 degrees at 10 pm. It dropped 12 degrees by midnight. What was the temperature at midnight?
    -4 degrees
  •  15
  • A diver is 20 feet BELOW sea level. After he swims 15 feet towards the surface, what is his elevation?
    5 feet below sea level (-5)
  •  15
  • A whale is at the surface of the ocean to breathe. What is his elevation?
    0 !
  •  15
  • A whale swims 150 feet below sea level. Write as a positive or negative number.
    -150
  •  15
  • Which is smaller: -10 or -5?
    -10
  •  15
  • Which is smaller: 10 or -10?
    -10
  •  15
  • Which is smaller: -5 or -6?
    -6
  •  15
  • Which is larger: 15 or -15?
    15
  •  15
  • Which is smaller: 1 or 0?
    0
  •  15
  • Which is smaller: 1/2 or -1?
    -1
  •  15
  • Which is larger? -1/2 or 1/2
    1/2
  •  15