Learners enjoy the fun of traditional domino game play and master addition facts at the same time. Teachers, parents, and caregivers will scoop these up! Versatile, game-like activities extend learning and add fun to skill practice and review. Activities adapt to a range of skill levels. Ideal in the classroom, at home, and on the go. -56 two-sided cards per pack-durable, heavy duty-3 1/8" x 5 1/4"