6th-grade geography Standards and Proficiency Scales tracker. The TWITS have expanded and refreshed our products! We are now offering student-friendly Standards and Proficiency Scale matrices/tracker. These are based on Colorado State Standards and can be adapted for your state. Students will take ownership of their learning by tracking each standard or learning target. There are three levels to track: 1) "Heard it." The teacher has talked about it and the student remembers hearing it. 2) "Got