Khan/khan-exercises — Issue #12328: Adding and subtracting negative numbers - more num-pad friendly
Author: KhanBugz
Created: 2012-01-28 00:05:45+00:00
State: open
Labels: chrome, hard, lion

needs to be better for number pads so i can answer quickly

[adding_and_subtracting_negative_numbers.html?seed=123&problem=MINUS](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=123&problem=MINUS&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_negative_numbers.html?seed=123&problem=MINUS&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

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