This is the rubric I use with my students when I do belt testing for recorder. This rubric will work for whatever "Recorder Karate" program you use in your classroom.
Teacher Tuesday: recorder karate part belt storage
"How to read recorder music" 6 steps. Great ideas for a music classroom. I may need to actually get in on this anchor chart movement.
Recorder Assessments for elementary music includes assessments, posters, and a rubric to aid teachers in evaluating student understanding of how to finger and play the recorder.