著名心理学家皮亚杰曾经说过:“人类心理的发展都来源于动作,智慧的鲜花是开放在手指尖上的。”一语道出了实践操作的重要性。小学数学新课程标准指出:“动手实践、自主探究与合作交流是学生学习数学的重要方式。”三种方式中,把动手实践这一学习方式放在了首位。研究表明,从六七岁到十一二岁的小学生,他们的思维水平已由具体形象思维水平为 Well-known psychologists Piaget once said: “The development of human psychology are derived from the action, the wisdom of the flowers are open on the tip of the finger. ” The words of the importance of practice. The new curriculum standard for primary school mathematics states: “Hands-on practice, independent inquiry and cooperation and exchange are important ways in which students can learn math.” Of the three approaches, hands-on practice is the top priority. Research shows that from the age of sixteen to eleven, the level of their thinking has changed from a specific level of thinking