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数学开放题是指那些答案和解题方向不确定的问题.它是打破模式化的非常规性问题,无法依靠简单模仿来解决.要解答好开放题,要引导学生多方向、多角度、多层次思考,探寻答案.本文结合2001年中考试题,浅谈开放题类型及解题思路. 数学开放题按命题要求的发散倾向分类:条件开放型、结论开放型、策略开放型、综合开放型四类. 一、条件开放型 条件开放型是指问题的结论确定以后,尽可能变化己知条件,需要从不同的角度,用不同的知识来解决问题.
The mathematics open question refers to those questions whose answer and problem solving direction are uncertain. It is a non-conventional problem that breaks the pattern and cannot be solved by simple imitation. To answer a good open question, we must guide students in multiple directions, multiple angles, and more Levels of thinking, to explore answers. This article combines the 2001 exam questions, talking about open question types and problem-solving ideas. Open questions in mathematics according to propositions of the divergence tendency classification: conditional open type, conclusion open type, open strategy type, comprehensive open type four Class I. Conditional open conditions Open conditions mean that after the conclusion of the problem is determined, the condition of knowledge is changed as much as possible, and different knowledge needs to be used to solve the problem from different perspectives.