表现性评价是对学生给出问题答案和作品展示的总结性评价。教师利用表现性评价作为一种激励手段,与新课程标准倡导的鼓励性评价相辅相成。教师课堂教学中运用表现性评价需要选择适当时机,学生思维启动时、个性表达时、参与活动时,都是重要切入契机。一、学生思维启动时介入表现性评价注重学生实际表现,思想介入深度、认知探索宽度、表达展示维度等,都是表现性评价的重要 Performance evaluation is a summary of the student’s answers to questions and works presentations. Teachers use performance evaluation as an incentive and complement each other with the encouraging evaluation advocated by the new curriculum standards. The use of performance evaluation in classroom teaching of teachers needs to select the appropriate timing, when students’ thinking starts, when they express themselves and when they participate in the activities, they are all important cutting-in opportunities. First, the student thinking interventional performance evaluation at the start of focus on the actual performance of students, the depth of thought intervention, cognitive exploration of the width of the expression of the display dimensions, are important for performance evaluation