实施素质教育,要面向全体学生,以培养学生实践和创新能力为核心。数学开放题有利于开启学生心智,拓展学生思维空间,培养学生实践和创新能力。我认为数学开放题的设计要体现“四性”。 The implementation of quality education, to all students, to cultivate students practice and innovation as the core. Open question of mathematics helps to open students’ minds, expand students’ thinking space and cultivate students’ practice and innovation ability. I think the design of open mathematics should embody the “four characteristics.”