Consider:
The targeted understandings enduring, based on transferable, big ideas at the heart of the discipline and in need of uncoverage?
The targeted understandings framed by questions that spark meaningful connections, provoke genuine inquiry and deep thought,. And encourage transfer?
The essential questions provocative, arguable, and likely to generate inquiry around the central ideas (rather than a “pat” answer)?
Appropriate goals (e.g., content standards, benchmarks, curriculum objectives) identified?
Valid and unit-relevant knowledge and skills identified?