Khan/khan-exercises — Issue #8915: Negative number word problems - Define temperature scale, please
Author: KhanBugz
Created: 2011-12-18 13:28:19+00:00
State: open
Labels: ie8, ie9, win7, wrong-or-unclear

Reporter: ocgforme@gmail.com

I am in the United States, and "round heah" we call 32F "freezing", or even "zero" without bothering to specify WHICH measuring system we're using. As the problem is stated, "24 below zero" to "2 degrees" COULD mean a total difference of only 6 degrees (32F-24 = 8F, then -6 to equal "2 degrees") OR, given the types of problems in the set, -24C to 2C, a total difference of 26 degrees.

Likely the easiest way to fix the issue is simply to have the problem text include CELSIUS, so we know which scale to use.

Thanks! --Sarah

[negative_number_word_problems.html?seed=119&problem=sledding_delta](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/negative_number_word_problems.html?seed=119&problem=sledding_delta&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/negative_number_word_problems.html?seed=119&problem=sledding_delta&debug&activity=%5B%5D)

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