Tier 3 interventions should include one of the following: Sound Partners, Take Flight, or Sonday Systems 1 or 2, or Sonday Lets Play Learn. The easy-to-follow learning plans are great for parents and educators with no previous training. The system is an Orton-Gillingham based, systematic, explicit, sequential, and cumulative multisensory language instruction program which cements student learning into long-term memory. Lessons are ready to use!Contains words from the word book included in the lessonsContains all necessary words in the PowerPoint for all sections. The Sonday System 1 provides a lesson template for instructors to teach the essential skills to their students in every lesson, every day. Best practices in phonics instruction should include multi-sensory (visual, auditory, and kinesthetic) activities. More information about the Sonday System, its Orton Gillingham lesson plans, its cost-effective teacher training requirements and its simple, multisensory reading intervention strategies for students with dyslexia can be found at winsorlearning.com. Lessons are ready to use!Contains words from the word book included in the lessonsContains all necessary words in the PowerPoint for all sections. 1 (Yopp, 1992). Sonday System 1 Levels 1-10 PowerPoint Lessons are all ready to go for teaching! The Sonday System is an Orton-Gillingham-based curriculum that helps struggling readers catch up to their peers, regardless of their age or current reading level, whether or not they’ve been diagnosed with dyslexia or specific reading disabilities.. Sonday System 1 Levels 1-10 PowerPoint Lessons are all ready to go for teaching!