The Grid Method was developed by Chad Ostrowski, http://thegridmethod.com/
Start with the standard for the unit/topic
Break down into learning targets that are leveled by complexity
Chart out activities/lessons to meet these learning targets
Determine where all kids must go (which level satisfies mastery of this content?). The rest will be extension/enrichment.
How Can my LMS Support This?
What's in the folder? OPTIONS!
I would recommend…