数学教学是一门艺术,是教师对教材进行再创造的艺术。培养学生自主创新能力是实施素质教育的重要途径。《数学新课程标准》指出:有效的数学学习活动中不能单纯依赖模仿和记忆,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。所以,在数学教学中,我们必须用素质教育的理 Mathematics teaching is an art, is the art of teachers to recreate teaching materials. Developing students’ ability of independent innovation is an important way to implement quality education. The New Curriculum Standard of Mathematics states that effective mathematics learning activities can not rely solely on imitation and memory, and practice through hands-on exploration and cooperation and exchange is an important way for students to learn mathematics. Therefore, in mathematics teaching, we must use the principle of quality education