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在小学数学中,“0”可以说是大家非常熟悉的一个数字。但如果仔细想来,我们对“0”的知识还是缺乏系统的认识。为了全面了解“0”的意义、性质和作用,我们有必要对“0”的相关知识进行一次梳理,这无疑对教学有重要的参考价值。一、“0”的意义界定“0”的意义,需要从“自然数”说起。自然数起源于“数数”。数物体的时候,用来表示物体个数的
In elementary school mathematics, “0 ” can be said to be a figure that everyone is very familiar with. However, if we think carefully, our knowledge of “0 ” is still lack of systematic understanding. In order to fully understand the meaning, nature and function of “0 ”, we need to sort out the related knowledge of “0 ”, which undoubtedly has an important reference value for teaching. First, the meaning of “0 ” defines the meaning of “0 ”, and needs to start with “natural number ”. Natural numbers originate from “number ”. Number of objects, used to indicate the number of objects