This classroom number line poster is bright, colorful, and engaging for your students to use as a reference for numbers 0 to 100! When put together, the large classroom number line is about 20 feet long. A smaller version of the number line from 0 to 25 is also included to print for individual student-use during lessons. These number lines come in handy when practicing counting cardinality in pre-k and early kindergarten, or to practice addition, subtraction, counting on, number patterns, and mo