TREND enterprises, Inc. T-53102BN Addition 13-18 Skill Drill Flash Cards, 3 Sets
Brand: Trend Enterprises
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
3" x 6" no-see-through cards with quick-sorting, rounded corners
99 cards per set. Sold as 3 sets