Using these hand signals in class will help the flow of class continue and not get interrupted by someone having to raise their hand and ask to go to the restroom or sharpen a pencil. My field teacher uses these and it works wonders!
Cute, right? But beyond that, just seeing this on the board made two things very clear to me. I know that this teacher understands the power of visual representations and she has clearly established routines for minimizing interruptions. I did indeed see children using the signals as I was in the room, so she is clearly using the system she put in place.