Final answer:
Establishing a daily schedule with clear objectives and expectations is an effective way for a teacher to avoid confusion and delays caused by activity transitions.
Step-by-step explanation:
An effective way for a teacher to avoid confusion and delays caused by activity transitions is to establish a daily schedule with clear objectives and expectations (B). This helps to create structure and provide students with a sense of routine, making it easier for them to transition between activities. By clearly communicating the expectations for each transition, students will know what is expected of them and be able to smoothly move from one activity to the next.