Khan/khan-exercises — Issue #6601: Pre-algebra challenge - Units
Author: KhanBugz
Created: 2011-11-18 02:40:10+00:00
State: open
Labels: chrome, other, win7

Reporter: starlightmath@gmail.com

In my opinion, 4th-6th graders do not automatically know there are 5,280 feet in a mile. So the conversion from 0.03 miles to feet is too complex while including a seconds to hour conversion for this targeted group.

[pre-algebra_challenge.html?seed=29&problem=english (units)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=29&problem=english&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pre-algebra_challenge.html?seed=29&problem=english&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.120 Safari/535.2

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