Familiarize your students with the numbers from -20 to 100 with this handy Number Line bulletin board set. The display differentiates 10s and odd and even numbers by color. Includes number words for each numeral, positive and negative number banners, and four ordering signs. Supports the Common Core State Standards. Includes : number line -20 to 100 (34.5′ x 4.5″), positive and negative number banners (24″ x 4.5″), less than, greater than, less than or equal to, and greater than or equal to banners (8.5″ x 2.25″), and activity guide.