Triangle Flash Cards teach the family of facts, showing the relationship between addition and subtraction, and the relationship between multiplication and division. Math facts are shown on 20 cards.
Learning Advantage - CRE4551
Quantity Available for Web Orders: 80 (Call 314-843-2227 to see if this item is available in the store in St. Louis.)
Package Dimensions: Length 6.50" Width 6.25" Height 1.25"