This is a printable template to assess students' understanding of Key Signatures, and help them understand what the key signature actually means for them while they are playing music. In my experience, it is all well and good if a student can "name" a key signature (two sharps is D major, etc.). But they need to understand what a key signature actually does, not just what it is called. They need to understand that there are 7 notes, every key signature has 7 notes in it, and every key signatur