苏霍姆林斯基说过:“手和脑之间有着千丝万缕的联系,手使脑得到发展,使它更明智,脑使手得到发展,使它变成思维的工具和镜子。”因此,我们在教学中充分利用学具操作,在激发学生学习兴趣的同时,注重培养学生主动探索、勇于实践和抽象的逻辑思维能力,并根据教学实际对有些教具大胆尝试,有效地开发学生的思维,发挥学生在学习中的主体地位。在教学过程中要注意让学生运用学具掌握数学 Sukhomlinski said: “There are inextricably links between the hand and the brain, the hands that make the brain grow, make it more sensible, the brain develops, turning it into a tool and a mirror of thinking . ”Therefore, we make full use of the operation of learning tools in teaching. While stimulating the students ’interest in learning, we should pay attention to cultivating students’ logical thinking ability of taking the initiative to explore, to practice and abstraction. Based on the teaching practice, we try boldly and effectively Develop students ’thinking and give play to students’ dominant position in learning. In the teaching process should pay attention to let students use learning to master mathematics