The students are offered a chance to ask questions at need. Furthermore, introvert/timid can ask question without fear.
At the start of class, the teacher invites the students to ask questions to the subject of the day in Padlet or Mentimeter. (1 min.)
The teacher demonstrates the tool chosen and goes through the rules of the activity.
It is for the teacher to decide if the students should be able to see and follow the questions posed on the screen.
Its for the teacher to decide whether s/he will answer the questions on the fly or give answers after a break.