The Teachaholic: whiteboards! buy a pack of plastic sleeves and insert card stock (paper makes it too flimsy when they display their answer). use a ring clip to store them. You can even print lines or graph paper on the card stock if you find it useful.
This list is for Erin so she won't forget to teach rules and proceedures the first day of school. :) List of 30 procedures to remember to teach at the start of the year. Good list even for veteran teachers.