DescriptionProduct DescriptionThese cards allow students to learn the relationship between operations. Each three corner flash card teaches a family of facts. Each set has two operations and 46 two sided cards. Standard focus: addition and subtraction computation, fact families. Sold as single unit. Self-checking cards. Helps students learn addition and subtraction And the relationship between them. Covers facts through 12. Includes 46 two-sided cards.From the ManufacturerKids react with excitement to these unique flash cards that teach 2 math operations and the relationship between them. Self-checking cards include addition and subtraction facts through 12. 48 two-sided cards (5 1/2"" triangles). Durable and easy to hold. Great for solo or group play.
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