《数学课程标准》(以下简称《标准》)指出:“对学生数学学习的评价,既要关注学生知识与技能的理解和掌握,更要关注他们情感与态度的形成和发展;既要关注学生数学学习的结果,更要关注他们在学习过程中的变化和发展。评价的手段和形式应多样化,应以过程评价为主。对评价结果的描述,要用鼓励性语言,以发挥评价的激励作用。评价要关注学生的个性差异,保护学生的自尊心和自信心。教师要善于利用评价所提供 The standard of mathematics curriculum (hereinafter referred to as the “standard”) states: "The evaluation of students ’mathematics learning should not only pay attention to the understanding and mastery of students’ knowledge and skills, but also pay attention to the formation and development of their emotions and attitudes; The results of mathematical learning, but also pay more attention to their changes and development in the learning process. The means and form of evaluation should be diversified and should be based on the process of evaluation. The description of the evaluation results, the use of encouraging language to play an evaluation Incentive role. Evaluation should pay attention to individual differences in students, to protect students’ self-esteem and self-confidence. Teachers should be good at using evaluation provided