GIANT Number Lines for ANY SIZE CLASSROOM. Multiple sizes to suit your needs. Numbers 0 to 100. Simple, large, easy to read numbers. Use at school, or at home. Great for whole group lessons, centers, independent or small group practice. Practice math concepts including: counting, number sequence, counting on or counting back, addition and subtraction, and greater than or less than. Suitable for Pre-K, Kindergarten, First Grade (1st), Second Grade (2nd), and beyond, as well as Special Educat