These free-standing, 48-page, spiral-bound books are perfect for math centers and offer a progression of hands-on activities to make learning math easier. From basic skills to advanced problems, each book combines hands-on math activities using a variety of manipulatives and includes answers on the back of every page for easy student self-checking. Students build models and compare groupings to help them solve math problems in a fun, interesting way. Tub of manipulatives which can be used with all Flip Over Math™ books (sold separately) includes Pattern Blocks, Connecting People®, Connecting Cuisenaire® Rods, Coins, and Bean Counters™. Books are aligned with NCTM Standards.