In the deep-end, put a noodle under your arms (or use any other floating device) and float upright. Rest your hands and your forearms on the noodle and relax your shoulders. Keep your legs straight and hip-width apart.
With a noodle under your arms, lay on your back in the deep-end. Rest your hands on the noodle and relax your shoulders. Keep your legs closed together, straight and slightly below parallel.
In the deep-end lay on your back with the noodle under your arms. Rest your hands and forearms on the noodle. Relax your shoulders. Keep your legs straight, below parallel and your toes pointed.