《数学课程标准》明确指出:学生是学习的主人,教师是数学学习的组织者、引导者和参与者;教师应激发学生的学习积极性,向学生提供充分从事数学活动的机会;学生的数学学习活动应当是一个生动活泼的、主动的和富有个性的过程。为此,教师应该关注学生学习的主动性,并将其贯穿于教学 The standard of mathematics curriculum clearly states: the student is the master of learning, the teacher is the organizer, leader and participant of the mathematics learning; the teacher should stimulate the enthusiasm of the students to learn and provide the students with opportunities to fully engage in the mathematics activities; the students' mathematics learning Activities should be a lively, proactive and personal process. To this end, teachers should pay attention to the initiative of students to learn, and through the teaching