Content-rich math cards do their job, teaching students new skills in a fun way. This educational aid develops basic addition 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. Includes 99 cards, 3" x 6". For ages 6 and up.
- Further develop addition skills, practicing 13–18. Great for test prep and review.
- Self-checking, with answers on card backs.
- Sturdy tagboard cards and reinforced cardboard storage box.
- 99 cards. 3" x 6" no-see-through cards with quick-sorting, rounded corners.