The paper talks about the viewpoints of showing calculation dependent on the investigation The International Commission on Mathematical Instruction ICMI. Remembering the current requirements in calculation instructing, we thought about that the subjects of room and spatial thinking ought to be essential for it as main points of contention, just as showing draws near, RME, learning through (re)discovering numerical thoughts, the job of course books in the underlying arithmetic schooling, etc. Consequently, this exploration paper offers an overall knowledge into our need to manage these themes, and welcomes analysts from the more extensive numerical local area, who we herewith acquaint with the consequences of our examination in the circle of starting calculation educating in Serbia.