What Does Great Practice Feel Like?

What’s your best practice made of? Novak Djokovic, top-ranked player in the world, gives us  a peek at his recipe. (Click ahead to 1:05 for the best moments.)  It includes:

1) Smallness:  it focuses only on a few targeted qualities —  improving touch, agility, and the ability to disguise shots.
2) Intensity: full-effort reaching, clear results.
3) Game-ishness: this is no boring drill. It’s the opposite — a thrilling, absorbing, emotion-generating game (as the ending shows).

In other words, it’s about creating SIG — Small, Intense Games. The next question: what’s the math-class version of this? The music-lesson version? The software-coding version?