Subtraction 13-18 Skill Drill Flash Cards, 3 Sets

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 set, 3" x 6". Sold as 3 sets.

Key Features :

i : Further develop subtraction skills, practicing 13-18. Great for test prep and review.
ii : Self-checking, with answers on card backs.
iii : Sturdy tagboard cards and reinforced cardboard storage box.
iv : 3" x 6" no-see-through cards with quick-sorting, rounded corners.
v : 99 cards per set. Sold as 3 sets.