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数学是抽象的科学,对于小学生来说,正处于由具体形象思维向抽象逻辑思维的过渡阶段。要让学生理解高度抽象的数学内容,就应该在数学知识的抽象性和学生思维的形象性之间架起一座桥梁,借助形象直观的模型作为其解释和支撑,那就是几何直观。几何直观是《数学课程标准》提出的十个核心理念之一。《数学课程标准》中对“几何直观”是这样解释的:“几何直观主要是指利用图形描述和分
Mathematics is abstract science, for primary school students, is in the transition from the concrete image of thinking to abstract logical thinking. To enable students to understand the highly abstract mathematical content, it should establish a bridge between the abstraction of mathematical knowledge and the image of the students’ thinking. With the aid of an intuitive model as its explanation and support, it is the geometric intuition. Geometrical intuition is one of the ten core concepts put forward by ”Mathematics Curriculum Standard“. ”Mathematical Course Standards“ on the ”geometric intuition “ is interpreted as: ”Geometric intuition mainly refers to the use of graphic description and points