Self-checking cards teach addition, subtraction and the relationship between them. Ideal for groups or individuals at school, home or travel. Set includes 48 two-sided, 5-1/2" triangular cards that focus on numbers through 12 and a sturdy storage box. Durable, easy-to-hold cards are designed for teaching students ages 6 to up. Details: Ideal for 1st-grade to 3rd-grade (ages 6 to 8) Includes 48 two-sided, 5-1/2" triangular cards in sturdy storage box Teaches addition, subtraction and the relationship between them Ideal for groups or individuals at school, home or travel
$48.00 $28.80
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