These durable and versatile boards are excellent for students practicing number sense skills, odd and even numbers, skip counting, and more. Measuring 9" x 12", these plastic dry erase boards are printed 1-120 on one side and blank grid on the other. 9" x 12" dry erase board features numbers 1-120 on one side and blank grid on the reverse side. Ideal for grades K-6. Each set includes 10 boards. Bundle includes 3 sets for a total of 30 boards.