Khan/khan-exercises — Issue #9480: Adding negative numbers - too easy
Author: KhanBugz
Created: 2011-12-25 01:19:04+00:00
State: open
Labels: ie8, ie9, other, vista

my boyfreind timed me to see how long it would take me to answer each answer it took:2.2 seconds you need to make easy, so-pro, and pro so like for arithmetic you should have three easy, so-pro ,pro and i have earned all the badges so please make new ones

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

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_negative_numbers.html?seed=6&problem=PLUS&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22-3%5C%22%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%2C%5B%22hint-activity%22%2C%220%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%5D)

["-3"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/5.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; InfoPath.2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C)

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