I disagree that putting the plane down in the grass is a good beginner step. The best way is to have a smooth runway and have the instructor show you how to land properly, which means a smooth touchdown and straight roll out. Like I said, as long as the pilot is having fun I don't mind how he lands, but if the goal is to fly bigger planes and do proper scalelike landings the habits learned in grass landings are going to be a setback.