Math Power Pack
Contains 4 card sets: Telling Time, Addition 0-12, Subtraction 0-12, and Math Splash War. Self-checking flash cards feature answers on back for independent learning. Great for school, home, childcare, and travel. Durable, no-see-through cards. Quick-sorting, rounded corners. 4 packs in set; 56 2-sided cards per pack, 3 1/8" x 5 1/4". Ages 6+.