When answering this question, you can talk about the different signs teachers look for to know if students are paying attention. For example, teachers might notice if students are making eye contact, nodding, or taking notes. They might also ask questions or give small tasks to check if students understand what’s being taught. Sometimes, teachers can tell by students’ body language or by how quickly they respond to questions. You can also mention that some students might look like they’re listening but are actually distracted, so it’s not always easy to tell.