(printable PDF is usually below, but this one doesn't need it.)
In this section, you'll find simple, short exercises to help you actually use the knowledge you just learned, giving you skill in addition to information. That's the whole point, right?
Go here and print up a bunch of the free, printable staff paper. Use a hole-punch and make yourself a music notebook to use for this course. Or just buy a music notebook (pro tip: spiral bound is best).