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《数学课程标准》指出:“动手实践、自主探索与合作交流是学习数学的重要方式”。从动手操作能力的培养中,能够让学生获得大量的感性知识,使复杂繁琐的数学知识变得形象化,从而对知识有更全面的理解和掌握。让学生在数学课的学习过程中主动参与到指定的活动中,通过观察、推理等方法发现对象的一些特点或与其他对象的差异与联系,从而调动学生的学习兴趣,提高学习的积极性、主动性。
“Mathematics curriculum standards” pointed out: “Hands-on practice, independent exploration and cooperation and exchange is an important way to learn mathematics ”. In the training of hands-on abilities, students can acquire a large amount of perceptual knowledge, visualize complicated and complicated mathematical knowledge, and have a more complete understanding and mastery of knowledge. Let students take the initiative to participate in the designated activities in the process of math class learning, through the observation, reasoning and other methods to find some of the characteristics of the object or differences and contact with other objects, so as to arouse students’ interest in learning, improve the enthusiasm of learning, initiative Sex.