5.6.2 Self-Check on Negative Numbers
Exercise 3: Cold Temperatures
Write down the temperatures that are described in the following situations.
(a) The temperature was 3 °C during the day, but it fell by seven degrees Celsius overnight. What was the minimum temperature during the night?
As , the minimum temperature was –4 °C.
(b) In Moscow, the temperature outside was six degrees Celsius colder than the freezer. If the freezer temperature was –18 °C, what was the outside temperature?
As , the outside temperature in Moscow was –24 °C.
(c) The temperature outside is –5 °C. If it rises by seven degrees Celsius what is the new temperature?
As , the new temperature is 2 °C.
Exercise 4: Mt. Everest versus the Dead Sea
Exercise 6: Battle of the Deserts
In the Sahara Desert, during the day, it was 136 °F. In the Gobi Desert, at night, a temperature of –50 °F was recorded. What is the difference between these two temperatures?
The temperature difference is .