davidenoch,
You are moving in the right direction!
The Hanon exercises( along with any Czerny exercies) are important building blocks in piano playing.
I teach the first exercise on day one, of any lesson, that I teach, regardless of age.
Play them slowly at first, and then build up to the recommended speed, at the top of the page.
I've had teachers, who want you to learn them in EVERY KEY, and some who prefer C, the way it's written.
I like to have students play them in THIRDS, an OCTAVE APART. It tends to break the monotony of sound.
For example-Left Hand[/i] pinky on Low C and Right Hand thumb on E just above middle C.