Black and White Number Line (-20 to +120) - Classroom Math Bulletin Board for Elementary School Teachers - Perfect for Counting, Addition & Subtraction Lessons

Add this number line to an existing classroom theme or build on the black and white elements while exploring mathematical concepts, from even/odd numbers to positive/negative integers, and various math operations. The number lines can be used for whole class lessons or for individual student reference during math lessons. Largest piece measures 21'' x 3''. 20 total pieces.