Playing scales only straight up and down in octaves in of limited usefulness and is soon boring. Spice up your routine by practicing various patterns!
Horn Heuristics
The word comes the Greek Heurisko [heur (to find out, discover) + Latin isticus, – istic] meaning “find or discover.” A heuristic is an approach to problem solving, learning or discovery that is not exact or completely accurate, but it gets the job done for the nonce.