%0 Journal Article %T One Theme of the Project Is a Lot of Ideas: on the Example of Designing a Mathematical Calendar %A Pavlova, O.A. %A Chirkova, N.I. %K mathematical calendar, educational project, extracurricular activities in mathematics, substantive content of the project, Eventseminar, product of the project, methodological and mathematical competence of students %J Profession-Oriented School %D 2019 %N 7 %P 5 %I INFRA-M Academic Publishing LLC.