In this video, the teacher discusses the importance of wrapping up your answer in a constructed response. They provide steps to follow, such as analyzing the prompt, finding evidence, and judging the evidence. The teacher emphasizes the common mistake of simply summarizing what has already been said and offers a solution to avoid this. They encourage students to ask themselves why they chose a particular answer, write a sentence to explain their reasoning, and ensure their answer is complete by addressing the prompt's requirements. Overall, the lesson aims to teach students how to effectively conclude their responses by providing clear and concise reasons.