One way kids will get interested in yoga is by watching you. 2. Teach kids how to breathe. Relaxed and deep breathing is essential to the practice of yoga. 1  Explain that proper breathing produces calm, allows focus and increases energy.2  Kids often need to understand why they are asked to do something. 3  Teaching the benefits of breathing correctly will help them learn it better.. Teach kids how to breathe. Relaxed and deep breathing is essential to the practice of yoga. 1  Explain that proper breathing produces calm, allows focus and increases energy. 2  Kids often need to understand why they are asked to do something.