Proportionality: A Unifying Theme for the Middle Grades

  • Proportionality: A Unifying Theme for the Middle Grades

    Cynthia S. Lanius and Susan E. Williams
    Middle school mathematics topics are often taught as separate, discrete topics without a unifying thread. Proportionality is a concept with the potential to untie, relate, and clarify many important, complex middle grades into a cohesive theme.