hand2mind -20 to 100 Integer Number Line for Classroom Wall, Math Borders Classroom Bulletin, Number Lines for Students, Teacher Supplies, Number Line with Negative Numbers, Math Posters (12 Sections) Description This number line is a fantastic tool to help visually demonstrate basic concepts in counting, adding, and subtracting. The number line is made up of 12 individual sections when combined forms a number line from -20 to 100. Each section is 4 in. x 36 in. For over 50 years, hand2mind has encouraged hands-on learning and discovery, driving deeper understanding and helping children unlock their full potential. Hand2mind specializes in math manipulatives designed to help students learn by doing. From early math to middle school math, hand2mind has you covered with products designed to enhance learning in the classroom and the world around us. Through hands-on exploration and discovery we strive to find new ways to encourage students in math practice, literacy activities, STEM education and more! Features: MATH NUMBER LINE: Our number line visually demonstrates basic concepts in counting. CLASSROOM NUMBER LINE FOR WALL: Each individual math number line visual is 4 inches x 40 inches. Easy to hang on the classroom wall or bulletin boards. NUMBER LINE MATH BORDERS: This teacher decor piece doubles as a tool to expand understanding of numbers, counting and order. REINFORCE NEGATIVE NUMBERS AND INTEGERS: Support math concepts at home through hands-on learning. This Number Line covers the numbers -20 to 100 and consists of 12 individual sections. KINDERGARTEN CLASSROOM MUST HAVES: Our number line is the perfect math tool for preschool, kindergarten and all grade levels. Product Details: Is Discontinued By Manufacturer ‏ : ‎ No Product Dimensions ‏ : ‎ 17.8 x 4 x 0.2 inches; 7.2 Ounces Manufacturer recommended age ‏ : ‎ 4 - 11 years Item model number ‏ : ‎ 4924 Date First Available ‏ : ‎ October 8, 2015 Manufacturer ‏ : ‎ ETA hand2mind Country of Origin ‏ : ‎ USA Best Sellers Rank: #58,486 in Office Products (See Top 100 in Office Products) #292 in Early Childhood Education Materials #292 in Early Childhood Education Materials