Board Thread:General Discussion/@comment-25143095-20140724063651

When I see a bunch of new videos being introduced, it's just a matter of  time before KA adds exercises to the mission. Which increases the # of skills needed to complete that mission and thus the WoM.

https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/number-systems-introduction 