有句话说:“我听到的会忘掉,我看到的能记住,我做过的才真正明白。”《数学课程标准》也指出,“有效的数学学习活动不能单纯地依赖模仿与记忆,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。”手是在大脑的控制下活动的,而大脑是在人 There is a saying: “I heard will forget, I can see to remember, I really did understand. ” “Mathematical Curriculum Standards” also pointed out that “effective mathematics learning activities can not simply rely on Imitation and memory, hands-on practice, self-exploration and cooperation and exchange are important ways for students to learn math. ”Hands are under the control of the brain,