数学开放题是相对于传统的条件完备,结论确定的封闭题型而言的,是指那些条件不完备,或结论不确定的数学问题,被认为最富有教育价值的数学问题.这在素质教育发达国家都已广泛应用.加大数学开放题在中考命题中的力度,是应试教育向素质教育转轨的重要体现,对发挥学生的主体性方面 The open problem of mathematics is related to the traditional conditional completeness and the closed question type determined by the conclusion. It refers to the mathematical problems with incomplete conditions or inconclusive conclusions. It is considered to be the most educational value of mathematics. This is in quality education. Developed countries have been widely used. Intensifying mathematics open questions in the examination proposition is an important manifestation of the transition from exam-oriented education to quality education, and to the development of student’s subjectivity.