10141
Keep practice hands-on and interesting with these self-checking cards that show related equations on both sides. Addition and subtraction facts through 12. 5" easy-hold circle. 12 durable cards contain 240 equations for solo or group play. Details: Includes 240 equations Keep practice hands-on and interesting with these self-checking cards that show related equations on both sides Supports NCTM standards Sturdy storage box  Â