Taken from Emily's blog, The Literacy Nest:
If you were to observe a lesson from an Orton-Gillingham based program such as Wilson, SPIRE or Barton, they would have similarities, but also plenty of differences. The same is true of a non-program-specific Orton-Gillingham lesson plan that follows the Orton-Gillingham approach. The exact lesson sequence may differ depending on where the teacher was trained, the student that they are working with, and what specific skills are being taught. However, there are certain lesson components that you are likely to see in some form or another.
Read the rest of Emily's article here.