Consider a kindergartener who dazzles her family with enthusiastic displays of her counting prowess. Or a second grader who eagerly spots quadrilaterals on a walk around the neighborhood. Think about a mischievous third grader who uses his developing knowledge of fractions to trick unsuspecting peers with the question, "How many numbers are between one and two?" Our youngest learners deserve teachers who will ignite their mathematical curiosity and confidence, because building competence in m...
