Khan/khan-exercises — Issue #5957: Addition 1 - number line
Author: KhanBugz
Created: 2011-11-10 18:13:14+00:00
State: open
Labels: firefox, win7

[addition_1.html?seed=6&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_1.html?seed=6&problem=0&debug)

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Mozilla/5.0 (Windows NT 6.1; rv:8.0) Gecko/20100101 Firefox/8.0

MathJax is loaded, ready, queue length: 0