This resource includes 200 task cards with a variety of number line problems, including Open Number Lines and traditional number lines with intervals of 1, 2, 5 and 10. The number lines range from 1-1,200. Use the task cards at Guided Math Stations or have students solve 1 number line problem each day during morning work to build proficiency all year long!These Number Lines are designed to truly challenge your students. With repeated practice and exposure, your students will develop strong nu