Surprised by Subtraction (Paperback) (ISBN-13: 9781943419463)

Using the power of fantasy, Rachel Rogers and Joe Lineberry add adventure to learning math. Second- and third-grade students join an imaginary world of even and odd numbers, where math principles come to life. Young students also learn the benefits of exercise, good nutrition, and cooperation as they progress through the series. This second book, Surprised by Subtraction, emphasizes subtraction and fact families.