Number Lines! . Number lines are used everywhere in mathematics (place value, whole numbers, decimals, addition, subtraction, multiplication, division, operations, percent, fractions, data displays… etc). . We must make students comfortable with this visual model before they can start using it to connect with learning. The good news… it’s such a ‘hands-on’ model that can be used to engage and differentiate learning. . When I work with schools I encourage them to use a number line at least once a