(Grades 4-8). Batter up! Both boys and girls will enjoy the thrill of their favorite sport as they practice and apply important math skills. Grandslam activities and projects based on historical and real-life situations involve students in every aspect of baseball: scorekeeping, records, statistics, schedules, salaries, travel budgets, ticket prices, refreshments, baseball card profits and losses, and fantasy leagues. Answers provided. 112 pages.