TREND Addition and Subtraction Three-Corner® Flash Cards

Kids 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. Durable and easy to hold. Solo or group play. 48 triangle cards, 5.5". For ages 6 and up. Unique, easy-to-use flash cards that teach 2 math operations and the relationship between them. Self-checking cards with addition and subtraction facts through 12. Packaged in a handy storage containers, these flashcards are durable and easy to hold. 48 triangle cards; 5.5". Ages 6 and up. Supports common math standards.