I've got a foldable for that!: Math Important Book - sequences and square roots I like the idea of using foldables to teach expectations. Interactive way to go over the "rules" at the beginning of the year.

Percents and Proportions Foldable (Outside) I'm teaching this the same way my Algebra 1 teacher taught me: "Is over of equals percent over one hundred." Great foldables and visuals - fraction/decimal/% conversions