turn base, chop the power and descend to 400 feet. Then the slow glide down final with the engine muttering in idle to cross the fence
Pity that skill has been consigned to the history books. Glide approaches were the norm in those days. Nowadays just about every flying school teaches powered approaches. For a practice glide approach it becomes "clear the circuit - I am coming in on a practice glide approach - ATC advised, other aircraft advised as nauseum..
For low powered training aircraft like the Cessna 172, Warrior etc, glide approaches should be taught from the very first flight to build up skill and judgement. By the time the student has been solo and back in the training area for practice forced landngs, he will have already attained the skills to judge the glide with a dead engine which is what a forced landing is