《数学课程标准》明确指出“:评价的主要目的是为了全面了解学生的数学学习历程,激励学生的学习和改进教师的教学…对数学学习的评价要关注学生学习的结果,更要关注他们学习的过程;要关注学生数学学习的水平,更要关注他们在数学活动中所表现出来的情感与态度,帮助学生认识自我,建立信心。” “Mathematics Curriculum Standard” clearly states: "The main purpose of evaluation is to fully understand the students’ learning process of mathematics, to encourage students to learn and to improve the teaching of teachers ... The evaluation of mathematics learning should pay attention to the results of student learning, but pay more attention to them Learning process; pay attention to the level of students’ mathematical learning, but also pay attention to their emotions and attitudes expressed in mathematics activities to help students understand themselves and build confidence.