《数学课程标准(2011年版)》提出:“帮助学生积累数学活动经验是数学教学的重要目标,是学生不断经历、体验各种数学活动过程的结果。数学活动经验需要在‘做’的过程和‘思考’的过程中积淀,是在数学学习活动过程中逐步积累的。”数学教学应注重结合具体的学习内容,设计有效的数学探究活动,使学生在经历实 The Standard for Mathematical Curriculum (2011 Edition) states: “Assisting students to accumulate experience in math activities is an important goal of math teaching and is the result of students’ ongoing experiences of various math activities.” The experience of math activities needs to be in the process of ’doing’ And “thinking” in the process of accumulating in the process of mathematics learning gradually accumulated. "Mathematics teaching should focus on specific learning content, the design of effective mathematical exploration activities, so that students experience the reality