Khan/khan-exercises — Issue #14926: Addition 4 - practice map
Author: KhanBugz
Created: 2012-02-29 06:41:06+00:00
State: open
Labels: firefox, not-showing, snowleo

the practice map won't show on my mac

[addition_4.html?seed=195&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=195&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=195&problem=0&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

MathJax is loaded, ready, queue length: 0