数学教育的基本目标之一是发展学生的数学思维能力.通过实践,我们觉得,优化问题串设计,可以让学生不断经历直观感知、归纳类比、数据处理、总结反思等思维过程,培养学生形成良好的思维习惯,促进学生思维能力的整体发展,提高学生的数学素养.美国心理学家布鲁纳指出:“教学过程是一种提出问题和解决问题的持续不断的活 One of the basic goals of mathematics education is to develop students’ ability of mathematical thinking.According to practice, we think that optimizing the design of string can let students experience thinking processes such as intuitive perception, inductive analogy, data processing and summarizing reflection, so as to cultivate good students Thinking habits to promote the overall development of student thinking ability and improve students’ mathematical literacy.American psychologist Brunner pointed out: ”Teaching process is a continuous problem of living and solving problems