%0 Journal Article %T The state of basic learning activities in pupils with mental retardation on the example of solving arithmetic problems %A Skira, E.V. %K pupils with mild mental retardation; pupils with moderate mental retardation; special (correctional) school; basic learning activities; special method of teaching mathematics. %J Journal of Pedagogical Studies %D 2019 %N 4 %P 6 %I INFRA-M Academic Publishing LLC.