15,000 Tasks in the Russian Language. All Orthographic Rules and Regulations. Grade 4

Developing the skill of writing correctly: 

• all orthographic rules and regulations, 

• tasks that allow for a deeper understanding of the material: find mistakes in words, write the correct variant, insert missing letters, complete tasks within a time limit, find and explain orthographic rules, place the necessary punctuation, write a dictation, review vocabulary words, check yourself – complete tests, answers to the tests and explanations of orthographic rules for short dictations.