A good way of introducing Mandarin is to teach pupils how to greet each other in the language. Here are a few different PPTs you could use to start:
(Above resources by Mitian Chen and Xueqing Li, Hanban Teachers)
In “real-life” China, people may use greetings slightly differently; the flashcards below explain how greetings are really used day-to-day. This extra information might amuse students, and will give them an insight into the everyday use of the language.
(Above resources by Huiling Liu, Hanban Teacher)