A handy reference for every classroom, this Core Decor Number Line Bulletin Board includes the numbers from -20 to 120. Set also includes three labels (Negative Numbers, Positive Numbers, and Zero). Use this number line as a handy reference for any age or grade level of elementary school students. Entire number line measures 28.25' long x 5.75" high. Bulletin board set also includes an instructional guide with bulletin board ideas, classroom activities, and a reproducible.