Make math class fun and interactive with this integer number line for classroom wall decor. Designed with a dry-erase surface, this magnetic number line is perfect for teachers who want to help their students learn about numbers and counting more engagingly. Its solid magnetic backing allows it to attach firmly to metal surfaces, making it a great addition to any classroom. With 33 sections and integers ranging from -40 to 120, this 37 magnetic number line piece set is perfect for introducing st