Khan/khan-exercises — Issue #5448: Addition 4 - Scratchpad and NumberLine
Author: KhanBugz
Created: 2011-11-02 22:37:08+00:00
State: open
Labels: ie8, ie9, scratchpad, win7

the scratch pad only works for about a secod, and then my mouse doesnt work with it anymore and i cant complete the problem. also, the very first number line section on the shboard doesnt work. after i complete the first problem, the following problem doesnt show up. its very frustrating when im trying to teach my child all of these things.

[addition_4.html?seed=44&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/addition_4.html?seed=44&problem=0&debug)

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