《义务教育数学课程标准》指出:通过义务教育阶段的数学学习,培养学生具有初步的创新精神和实践能力。因此在数学实践中,教师必须在数学教学活动中努力创设数学实践活动的情境,精心设计数学实践活动的内容,让学生在活动的探究体验中提高自 “Compulsory education mathematics curriculum standards” that: through the compulsory education phase of mathematics learning, training students with initial innovation and practical ability. Therefore, in the practice of mathematics, teachers must try their best to establish the situations of mathematical practice activities in mathematics teaching activities, carefully design the contents of mathematical practice activities, and improve the self-exploration activities of students