I have known for a while that there are websites where you can essentially download sheet music for free, and I am certainly aware that a lot of the sheet music being downloaded in that manner was written by me.
Download a fun project
each month that uses SketchUp to demonstrate a geometric concept. Printable PDF
format, separate versions for teachers and students.
An excellent place to start when thinking about PBL approaches, like G21. I know I will use this resource in the future. I'd share this with any progressive or foward-thinking educator.