Learn the animals with this set of free printable flashcards. This set includes four animals that begin with The Letter S: sheep, skunk, sloth, and squirrel. Flashcards are one of the most valuable resources in your classroom. Students find these engaging and like the interactive learning experience. This helps them to follow concepts quickly. Use the animal flashcards to introduce vocabulary. Play a pretend game with your students. Sort it into categories (by color, by number of legs, those that fly or not, etc. ).