A longtime staple and early resource of online music education, MusicTheory.net has grown over time to allow teachers to find a myriad of simple and free teaching tools for teaching the basics of music theory. It often ranks in the top 5 online resources for music teachers, and every year sees updates to keep their content relevant to the ever changing environment. From Lesson Plans, to Tools, MusicTheory.net is a great launching pad for many educators across the globe.
Be sure to check them out, and check back next week for another Friday Find!