长期以来,数学教学一直强调教学的严谨性,过分渲染逻辑推理的重要性,忽视了生动活泼的数学猜想。猜想,从心理角度看是一项思维活动,是学生有方向的猜测与判断,包含了理性的思考和知觉的判断;从学习过程来看,是学生有效学习的良好准备,包含了学生从事新的学习或实践的知识准备、积极动机和良好情感。数 For a long time, mathematics teaching has always stressed the rigor of teaching, over-imposing the importance of logical reasoning, ignoring the lively mathematical conjecture. Conjecture, from a psychological point of view is a thinking activity, the students have the direction of speculation and judgments, including the rational thinking and perception of judgments; from the learning process point of view, is a good preparation for effective learning students, including students engaged in new The preparation for learning or practice knowledge, positive motivation and good emotions. number