Studies show that one third to one half of us are introverts. This means that you have more introverted kids in your class than you think. Even at a young age, some introverts become adept at acting like extroverts, making it tough to spot them. Balance teaching methods to serve all the kids in your class. Extroverts tend to like movement, stimulation, collaborative work. Introverts prefer lectures, downtime, and independent projects. Mix it up fairly.