In the end, everyone was able to work with the letter, but only after an individual explanation in Czech, it also took a lot of time and almost all of them ended up at the very beginning. Another thing I absolutely didn't estimate was the time it took to paste it into a workbook and write a TI. I set aside five minutes at the end of the lesson, and finally we dragged out 10 minutes and deprived both the children and my accompanying teacher of a break.
Another thing I absolutely didn't estimate was the time it took to paste it into a workbook and write a TI.