TREND Subtraction 13-18 Skill Drill Flash Cards, 3 Packs

Content-rich math cards do their job, teaching students new skills in a fun way. This educational aid develops basic subtraction skills 13-18. Self-checking, answers on card backs. Sturdy cards and storage box. Students will delight in mastering new skills. No-see-through cards with quick-sorting, rounded corners. 99 cards per pack, 3" x 6". For ages 6 and up. Sold as 3 identical packs of flash cards. Special Shipping Information: Item ships separately from other items in your order. Item cannot ship to a P.O. Box, APO, FPO or PPO. Item is not eligible for expedited or international shipping. You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment.