Our state requires a portfolio or standardized testing. If yours does too...I would get a box (we used a box that had held copy paper reams in it), a three inch binder, and a teachers planner book.
At the end of each day jot notes under each subject about what she read or worked on keeping a list of titles of books. The box is a place to store samples of work (date them before you toss them in).
At the end of the year you have samples to work pull out and include in the notebook, you have your planner to remind you of books, topics, field trips, projects. Take pictures on your cell phone of art or activities and have a section of photographs.
I think next year I will be homeschooling if I can't find just the right program for my son.
