Nienhuis Montessori Number Line Extensions Level 9-12

According to the latest research on how the brain learns math "by the age of 6 children have developed a mental number line that gives them central conceptual structure for whole numbers." Following on the work of lower elementary number lines these activities incorporate association of fractional parts, and decimals on a number line. More advanced work follows negative snake game with using a positive and negative number line to work on absolute values. Number lines are printed on durable vinyl so there is no need to laminate them.