smaller or bigger?
Separate the kids into two teams. Then lay out the playing cards face down in a line in front of you with one card at the start of the line face up. Ask the teams different questions. Easier at first then harder as the game goes on. Each team that gets an answer right gets a chance to chose wether the card adjacent to the face up card is higher or lower. If the team guesses right then they get the points. If they guess wrong then they lose points.