Children find and record patterns on the Hundred Number Grid. Includes 4 workmats, number tiles, and see-through counters. This independent learning center helps children practice primary math skills, with little or no teacher assistance. The center uses a predictable, hands-on format, to reinforce classroom learning. There are enough materials for up to four children: workmats, manipulatives, step-by-step instructions, Teaching Notes, recording sheets, and storage pouch.