Spelling rules, which everyone should know. Little crib for every occasion ...
I must be able to write competently every educated person. From this ability may depend even your career or job. Because, once writing a letter with a mass of errors, you can lose not only business partners, but also work. Do you consider yourself a competent person? And do you not admit elementary spelling mistakes? Perhaps you sometimes make mistakes in simple terms because of the confidence that they are written that way. Test your knowledge of the Russian language and repeat the most important rules.
Repeating the rules of the language, you refresh your memory a little bit and now you will not make mistakes in spelling. And show these patterns to their children, and to teach them to write correctly!