Friendly Letters! Teach your students how to write a friendly letter. Use this resource for individual, small group, or in a Writing or Literacy Center. You can project the slides on a whiteboard and discuss with your whole group, and students can practice on the printable writing format. Includes an explanation of the 5 parts of a friendly letter, example formats of a letter and an envelope so students can see how to address an envelope, and a writing paper or template. A good literacy center t