Discover Math Matters! With 15 million books sold worldwide, this award-winning series of easy-to-read books will help young readers ages 5-8 approach math with enthusiasm. Great for fans of MathStart or Step into Reading Math. Charlie is eager to participate in Shopping Spree Showdown, her favorite TV game show. With the help of her grandma, she has the chance to enter. With five short minutes and $100 to spend on game-show goodies,...