Do what the woman says: - Write answers as fractions. - Draw with your mouse on the background. - Press c to clear the board. - Say Skip it there is a repeat or a question is too hard for you. - There is not an unlimited amount of questions (only 15). - Press Stop Playing to stop playing.
If you're interested in setting things on fire, go to this project: https://scratch.mit.edu/projects/91303378/