From A to Z and all the letters in between, The Mailbox® has literacy and language arts ideas and activities that are perfect for learning about uppercase and lowercase letters. Use our alphabet cards, games, and worksheets as a class, as independent work, for morning work, or at centers. Our resources cover just what you need for letter recognition, letter identification, sorting letters, matching capital letters to lowercase letters, and writing the letters. Where can you find all things letters? At www.themailbox.com.