1, mathematical operation skills. Operation skill refers to the skill that the actions to realize the activity mode of mathematical tasks are mainly completed by the movement or operation of the external body, and it is an external operation activity composed of various local actions according to certain procedures.

2. Mathematical psychological skills. Mathematical psychological skills refer to the way of psychological activities to successfully complete mathematical tasks, which is a cognitive activity with the help of internal speech, including psychological components such as perception, memory, thinking and imagination, and thinking is its main activity component.