课堂教学是实施素质教育的主渠道,引导学生使用学具是学好数学,提高学生探究意识的一种行之有效的途径,也是新课程标准教学理念在教学中的体现。新课程标准基本理念中指出:“有效的数学学习活动不能单纯的依赖模仿与记忆。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……”学生作为一种活生生的力量带着自己的知识、经验、思考、灵感和兴致参与课堂活动,使课堂教学呈现出丰富性和多变性。学生借助学具,手的活动能够实现和反映其内部思维活 Classroom teaching is the main channel of implementing quality education. It is an effective way to guide students to use learning tools to learn mathematics and improve students’ inquiry consciousness. It is also a manifestation of the new curriculum standard teaching philosophy in teaching. The basic concept of the new curriculum standard states: “Effective mathematics learning activities can not simply rely on imitation and memory. Hands-on practice, independent exploration and cooperation and exchange is an important way for students to learn mathematics ...” Students as a living power band With their own knowledge, experience, thinking, inspiration and interest in the classroom activities, classroom teaching shows the richness and variability. Students with learning tools, hand activities to achieve and reflect their internal thinking and living