The quadrilateral family is one that I need to be a part of! They all get a long and know their place on the tree.
When introducing the family tree I review, of course, what a family tree is and how it works (they are at the bottom, parents above them, etc.). I saw quadrilaterals formatted as a tree on Pinterest and changed it to be a foldable. We used the "match-book" fold to make the little door do-dads and we through all of the information together. Quadrilateral is the "Great-Grand-daddy" of them all on this tree. And the non-parallelogram quadrilaterals? Those are the cousins that we "forget" to send the wedding invitations to...
|With match-books open!|
|With match-books closed|