“…The study performed is a component of a multi-vector research of the aspects of high-end teaching practices in terms of mathematical skills, problem-solved skills, cognitive demand, the involvement of all students in classroom activities, educational demands, productive output requirements and student-centered and teacher-orchestrated environments (Boychuk et al, 2022) and practices (Cao, 2018;Ryve et al, 2016). Century & Cassata"s (2016) educational research displays such, essential to TLM, contextual factors as teachers" personal features (expertise, values, and beliefs) and institutional features (the number of students, classroom environment characteristics, school management, and the mind-set of the subjects of the educational process).…”