三角板是最常见的学习工具,学生通过对三角板的平移、翻折、旋转等操作,往往可以得到许多奇妙的发现。在这些活动中,学生不仅对操作过程完全掌控,有亲身经历的感悟,而且可以获得自主设计、探索创新的冲动和成功后的满足感。以“三角板”旋转为背景的操作探究题,立意新颖、构思巧妙,为学 Triangle board is the most common learning tools, students through the triangle plate translation, turning, rotation and other operations, you can often get many wonderful discoveries. In these activities, students not only have complete control over the operation, have personal experience, but also have the impulse to design, explore innovation and satisfaction after success. To “triangle board” rotation as the background of the operation of inquiry, innovative, creative ingenuity, for learning