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《义务教育数学课程标准》(2011年版)中,新增了“几何直观”这一核心概念。它的含义是“利用图形描述和分析问题”。它的作用是“借助几何直观可以把复杂的数学问题变得简明、形象,有助于探索解决问题的思路,预测结果”。几何直观可以帮助学生直观的理解数学,在整个数学学习过程中都发挥着重要的作用。这足以看出培养学生几何直观的重要性。那么,如何培养学生的几何直观能力呢?我认为要做好如下几点:
“Compulsory Education Mathematics Curriculum Standard” (2011 edition), the new “geometric intuition ” this core concept. Its meaning is “using graphics to describe and analyze problems.” Its role is to “use geometric intuition to be able to concise and complex mathematical problems, image, help to explore ideas to solve the problem, predict the results.” Geometrical intuition can help students understand mathematics intuitively and play an important role in the whole process of mathematics learning. This is enough to see the importance of developing students’ geometric intuition. So, how to develop students’ geometric intuition? I think we should do the following: