sort and match the leaves or to play a memory game

Common Core. Math.K.MD.B.3. Classify objects into given categories; count the numbers of objects in each category and sort the categories by count.

Common Core. Math.1.MD.C.4. Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.