- Be heads down doing your own work
- Scoff or laugh at students when uncovering a gap in their knowledge, no matter how big the gap
- Urge them to hurry up if their coding speed is not on par with yours
- Write code for them without explaining what you are doing
- Take over a student's computer for an extended period of time
- Actively watch for the quietly struggling ones, ask them "how are you doing?" if you see them struggling
- If you uncover a knowledge gap, try to help them fill that gap with a targeted ad-hoc mini lesson
- Stay calm and patient when talking and working with each student
- Explain your thought process and check that they understand
- Let them drive (type at the keyboard) whenever possible