What is a key feature of the feedback provided by the mathematics teacher?

The feedback provided by the mathematics teacher is effective because it acknowledges the student's achievements while also addressing a specific type of error. This dual approach is crucial for effective learning, as it not only boosts student morale by recognizing what they did well but also guides them on how to improve. By highlighting both strengths and areas for growth, the teacher fosters a positive learning environment where students feel supported and are more likely to engage in self-reflection. This kind of constructive feedback helps students understand their mistakes in context, allowing them to correct misunderstandings and build upon their existing knowledge, which enhances overall learning and retention. The combination of reinforcement and corrective guidance promotes a growth mindset, encouraging students to see errors as opportunities for learning rather than just failure.