Girls can move to the head of the class with math puzzles to help them pass! Packed with all kinds of puzzles and problems geared toward the stylish girl, this book gives girls creative ways to add, subtract, multiply, and divide their way to a good time. Girls are invited to join in the fun as Isabel and her friends from Innerstar University™ give their math skills an arithmetic makeover. Comes with a ruler, faux money, and other counting tools to help make math a blast. Plus, this book includes a special access code for even more skill-building activities online.