Thank you for making time to check out my first video. Here are the resources I mentioned:
 
Depth of Knowledge Matrix – Elementary
This matrix has examples at Depth of Knowledge levels 1 to 3 from Kindergarten through 5th grade.
 
Depth of Knowledge Matrix – Secondary
This matrix has examples at Depth of Knowledge levels 1 to 3 from 6th grade through Calculus.
 
Open Middle Worksheet – Student version
This two-page PDF should be printed double-sided and has six attempts.
 
Open Middle Worksheet – Document camera version
This six-page PDF is ideal for displaying on a document camera, as the other version has text that may not display well.