Alfalfa's Out of the Box: Perimeter, Area, and Addition

Help Alfalfa plan her great escape in this interactive math story that requires the most basic of escape artist skills: math! In this exciting story full of twist, turns, and friendship, third graders can calculate area to help these two reptiles flee their confines by figuring out the area and perimeter of a rectangle. Also recommended for fourth grade, this choose-your-own-answer adventure is a blast for any species.