Foster the home-to-school connection and provide fun ways to practice subtraction facts with math flash-card wheels. The EZ-Spin(TM) Wheels: Subtraction Facts set includes 18 two-piece subtraction fact wheels, including –0 to –12, strategies such as doubles, and several mixed practice sets. --Hands-on manipulatives and learning cards keep students engaged while learning important concepts. EZ-Spin wheels can be used during whole-class instruction, independent practice, and small-group instruction. These manipulatives can also be taken home for additional math practice. --Brass paper fasteners not included.