现在的学生中,独生子女较多,除了娇生惯养、心浮气躁、难以信服别人之外,更缺乏的就是自我反思。《义务教育数学课程标准》把“反思”这一教学理念也提到了应有的高度:“人们在学习数学和运用数学解决问题时,不断地经历直观感知,……反思与建构等思维过程。这些过程是数学思维能力的具体体现,有助于学生对客观事物中蕴涵的数学模式进行思考和做出判断。”同时提 Today’s students, the only child more, in addition to spoiled, impatient, difficult to convince others, the more the lack of self-reflection. The standard of compulsory education mathematics curriculum mentions the teaching concept of “reflection” as well: "When people learn mathematics and solve problems using mathematics, they constantly experience intuition, reflection and construction, etc. Thinking process that is a concrete manifestation of mathematical thinking skills that helps students to think and make judgments about the mathematical models underlying objective things.