Khan/khan-exercises — Issue #9573: Number line 2 - Long time checking
Author: KhanBugz
Created: 2011-12-27 01:35:29+00:00
State: open
Labels: firefox, other, win7

Reporter: arturo.metalhead@gmail.com

I don't know if it's just me or if there's a problem with the software.

After I click the "Check Answer" button (or press Enter), the time the program takes checking the answer increases every time. For example:

For the first couple of answers, it's instantaneous, but the 3rd time it takes a second, the 4rd takes 2, the 5th takes 4, etc. Until the 10th takes around one minute.

Thank you in advance.

[number_line_2.html?seed=167&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_line_2.html?seed=167&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/number_line_2.html?seed=167&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0) Gecko/20100101 Firefox/10.0

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