《数学课程标准》指出:有效的数学活动,不能单纯地依赖模仿和记忆,动手实践、自主探索与合作交流是学生学习数学的重要方式。培养终身学习的能力,实现课程改革的目标。为实现 The Mathematics Curriculum Standards states that effective mathematics activities cannot simply rely on imitation and memory. Hands-on practice, independent exploration and cooperation and communication are important ways for students to learn mathematics. Cultivate the ability of lifelong learning and realize the goal of curriculum reform. To achieve