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新课程标准提出,要使学生经历运用数学符号和图形描述现实世界的过程,建立数感和符号感.现例举加以分析.一、数感所谓数感是一个人对数与运算的一种感知,这种感知可以帮助人们用灵活的方法做出数学反应,并为解决复杂问题提出有用的策略.
The new curriculum standards, to enable students to experience the use of mathematical symbols and graphics to describe the process of the real world, the establishment of a sense of number sense and symbolism.Examples to be analyzed.First, the number of sense The so-called number sense is a kind of a logarithm and operation Perception, this perception can help people make a mathematical response in a flexible way and put forward useful strategies for solving complex problems.