一、教材依据:人教版《数学》第二册(上)第八章8·5节二、设计思想数学思维的反思性表现在思维活动中善于提出独立见解,精细地检查思维过程,不盲从、不轻信。在解决问题时能不断地验证所拟定的假设,获得独特的解决问题的方法,它和创造性思维存在着高度相关。 First, the teaching material is based on: PEP Teaching and Learning Volume II (on) Chapter VIII 8.5, design thinking Reflective performance of mathematical thinking in thinking activities are good at putting forward independent thinking, careful examination of the thinking process, not Blind, not credulity. As the problem is being solved, the hypothesis developed can be continually validated and a unique problem-solving method can be obtained that is highly relevant to the creative thinking.