Trend Enterprises: Subtraction 13-18 Skill Drill Flash Cards, Exciting Way For Everyone To Learn, Self-Checking Design, Great For Skill Building And Test Prep, 99 Cards Included, Ages 6 And Up

Product DescriptionContent-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, 3' x 6'.From the ManufacturerFurther develop subtraction skills, practicing 13–18. Great for test prep and review. 99 cards. 3' x 6' no-see-through cards with quick-sorting, rounded corners. Self-checking, with answers on card backs. Sturdy cards and storage box.