An educational video from free math tutoring that shows an easy way to calculate differences of temperature. Many times people commit simple mistakes in subtracting temperatures that lead to illogical results. This video explains a very common pitfall and at the same time, clears up an important concept in temperature subtraction.
The tutor in the video explains a simple rule of thumb that makes temperature calculations straightforward and simple. The tutor then solves two simple examples. One of the examples having both signs equal while the other having unequal signs.
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