Texts for (8-й вид) 4th-grade math control works are designed for students in special correctional schools with intellectual disabilities. These assignments focus on practical arithmetic within a limited range, typically based on textbooks by authors like M.N. Perova . Typical Math Control Work Structure (Grade 4, Type VIII)
"Draw two segments. The first is 11 cm long; the second is 2 cm longer than the first". Comparison: "Compare numbers using >is greater than
In correctional education, grading often emphasizes the volume of correctly completed tasks: 90–100% correct. "4" (Good): 75–89% correct. "3" (Satisfactory): 51–74% correct. "2" (Unsatisfactory): Less than 50% correct.