Fred smiled slightly at Jack; being in front of people like this was a little unnerving. She'd forgotten that there might be people watching, and now that she saw there were...
She coughed softly and stepped back from the stage to get out of the way, which meant that the last balloon or the contents of it didn't hit her too much. A little bit on her shirt and cheek. And hair. She looked up at where she guessed the balloon had come from, math was good when it could be done in the head, and frowned. That boy really didn't have any manners at all.