ukabu/blackboardMath — Issue #19: Rework difficulty levels
Author: ukabu
Created: 2011-10-18 00:20:38+00:00
State: open

rework the difficulty levels to more closely match grade levels for kids.

to keep the ui simple, we'll have 1-2, 3-4, 5-6 grades. With maybe an addition of a higher difficulty level for high schoolers and adults.