George is excited to go to his first baseball game to watch his friend Marco play. While Marco concentrates on hitting his first home run, George gets to play scorekeeper. But George doesn't know in which order he should hang the numbers. With help from Marco and the girl at the snack stand, George learns about number sequence and a handy trick for putting double digits in order.During the last inning, George agrees to be a pinch runner for an injured Marco. Will he be able to add another number to the scoreboard? Includes rules of the game and a score-keeping activity.