操作活动是手与眼协同对客观事物的动态感知过程,也是手与脑密切沟通把外部活动转化为内部语言的智力内化方式。由于小学生的思维仍处于具体形象水平,他们还不能有意识地组织自己的思维活动,并按照思维过程的要求去分析、 Operational activity is the process of dynamic perception of objective things by hand and eye, as well as the intelligent internalization of external activities into internal language through close communication between hand and brain. As the thinking of pupils is still at a specific level, they can not consciously organize their own thinking activities and analyze them according to the requirements of the thinking process.