“数学实践活动”是一类以问题为载体,学生主动参与的学习活动,是帮助学生积累数学活动经验、培养学生应用意识与创新意识的重要途径.《新课程标准》指出:数学本身就是一个过程,只有通过大量的数学活动,学生才能形成对数学的全面认识.因此,过程就是一 “Mathematics Practice Activity ” is a type of learning activities that takes the problem as the carrier and the students take the initiative to participate in, and is an important way to help students accumulate experience in mathematical activities and develop students’ awareness of application and innovation. “New Curriculum Standard” states that mathematics itself Is a process in which students can form a complete understanding of mathematics only through a great deal of mathematical activity.