Free-standing, 48-page, spiral-bound book offers a progression of hands-on activities that are perfect for math centers. Books provides basic to advanced hands-on math activities using a variety of manipulatives with self-check answers on the back of each page. Aligned with NCTM Standards. Use with LER 8523 Tub of Manipulatives ( not included), which has pattern blocks, Connecting People®, Connecting Cuisenaire® Rods, coins and Bean Counters™. Tub can be used with all Flip Over Math™ books.