Double Play Monkeying Around with Addition

Brrriiiing! Recess time! Little chimps Jill and Jake find more than just their favorite games in the schoolyard today. They also discover the important mathematical concept of doubling, or adding a number to itself. Easy to learn and fun to memorize, doubling is a valuable problem-solving tool that helps kids prepare for multiplication. A must-have addition to any math-themed picture book library, Double Play makes this arithmetic lesson as welcome as recess.