The document discusses effective questioning techniques for teachers. It identifies different types of questions teachers can ask, including introductory, developmental, probing, comprehension, and evaluation questions. Probing questions are further broken down into seeking further information, prompting, refocusing, and redirecting. The document also provides tips for crafting high-quality questions, such as making questions clear, accurate, and at the appropriate level for students. Overall, the document aims to help teachers understand how to structure lessons and engage students through questioning.