Found some today that I want to keep track of, and to share! Grace is really into dinosaurs and I was looking for an incentive chart to print to use with her (we're working on "listening the first time" lol). I stumbled across these other great resources at the same time!
http://www.kidzone.ws/ Includes free printable worksheets and flashcards for reading, math, geography, etc. as well as unit studies on specific animals
http://internt.nhm.ac.uk/jdsml/natur...ino-directory/ Info about hundreds of different kinds of dinosaurs, ideas for uses in the classroom (such as math, ordering, writing, reading, etc), photos, where in the world the different kinds can be found, etc.
http://www.ziggityzoom.com/activities.php Preschool games, stories, activities, and printables
http://www.tooter4kids.com/free_work...and_awards.htm Worksheets and Awards and links to other sites on a lot of different subjects, many of the sites (like kidzone above) are multi-grade level friendly so you can do the same unit study w/ different age children at the same time on their own levels.