《数学课程标准》指出:“有效的数学学习活动不能单纯依赖模仿与记忆,动手实验、自主探索与合作交流是学生学习数学的只要方式。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。”教师应该激发学生的学习积极性,向学生提供充分从事数学学习活动的机会,帮助他们在自主探索和合作学习的过程中真正理解和掌握基本数学知识和技能、数学思维和方法,获得数学活动经验。 The standard of mathematics curriculum states: “Effective mathematics learning activities can not rely solely on imitation and memory, hands-on experiments, self-exploration and cooperation and exchange are just ways for students to learn mathematics. Mathematics learning activities should be a lively and proactive Personalized process. ”" Teachers should stimulate students’ enthusiasm for learning and provide students with opportunities to fully engage in math learning activities to help them truly understand and master basic math knowledge and skills, mathematical thinking and Method, gain experience in math activities.