Use the Sorting & Classifying Flashcards to teach functions and categories. Each category contains 3 cards for each group. Categories include: things at school, animals that swim, things that fly, tools we use, and so on. These are great for teaching expressive and receptive language skills, observational skills as well as concepts and logic. Each of the 45 cards in this set is 4 " x 5 ". Word lists and a Resource Guide in English, Spanish and French is also included.