Hang to visually demonstrate number and operations skills, or lay flat for kinesthetic center activities. Use with a wet - erase marker to highlight numbers! Shows numbers - 25 to 25 horizontally on one side and vertically on the reverse to prepare students for the orientation of Cartesian coordinates in algebra and geometry Reinforces positive and negative numbers, operations and algebraic equations Includes 2 magnetic arrows, 2 inflatable vinyl number cubes (5" each) and 10 double - sided, reproducible Activity Cards with answer key Thick vinyl number line with hanging grommets measures 48"L x 8"H; use with wet - erase marker to highlight numbers Grades 4+