I ask the student what I can find in his notebook. I consider this to be authoritative, because they are duly registered. The exposition of the topic through presentation continues. The explanation is complemented by pictures, videos, samples of material from the textbook and tasks in the workbook. Since students are used to clear notation, I try to do it.
The explanation is complemented by pictures, videos, samples of material from the textbook and tasks in the workbook.