Hinkler School Zone Subtraction 0-12 Flash Cards

School Zone Subtraction 0-12 Flash Cards Using bright, fun and engaging illustrations, School Zone: Subtraction 0–12 Flash Cards are the perfect introduction for young primary school children to learn subtraction from zero to 12. Subtraction 0–12 Flash Cards contains 91 problems that range from 0–0 to 12–12. The 56 -card set contains an answer card and two parent cards suggesting activities that can help children further develop this important mathematical skill. Ideal for kids aged six and up! • Box includes 53 problem cards, an answer card and two parent cards.