What's the best way to ensure mastery of low-level content?

[cross-posted at the TechLearning blog]

State and federal accountability schemes require that students master low-level academic content. Our decisions regarding how we structure our instruction to facilitate student mastery of that content strike to the very heart of what we believe about teaching and learning. To facilitate conversations about this issue, I made a short video:

What do you believe is the best way to structure instruction to ensure student content mastery?

Music credit: Safe Passage, Freeplay Music