In most schools, fifth graders attempt to memorize the states and their capital cities. Why not take advantage of this wonderful learning tool that makes memorizing capital cities a breeze. As a bonus, it also covers the two letter postal abbreviations for all 50 states. Is MI the abbreviation for Minnesota, Mississippi, Missouri, Michigan or Maine? States, Capitals, and Abbreviation Wrap-ups will help so that you and your students will never wonder again. By the way, it's Michigan.