The development of spelling vigilance

Why does the child, knowing the rules, continue to make mistakes? It turns out that a child with normal hearing, vision and intelligence can write illiterate due to the immaturity of some parts of the brain that are responsible for the motor functions of the hands, attention, visual-spatial orientation. It is this most often that causes a low level of literacy, poor handwriting and, as a result, school undergoing.
The complex classes proposed in this notebook are primarily aimed at the formation of the prerequisites and the development of the necessary mental functions for successful competent writing, correction and prevention of dysgraphic errors in primary school age.
The manual is designed for primary school children.
7th edition