“…During free play, teachers spend very little time with children (Seo & Ginsburg, 2004) or tend only to manage their behavior (Kontos, 1999). Teachers do not appear to be suffi ciently knowledgeable to see the opportunity for teaching a range of mathematical concepts in everyday situations (Moseley, 2005). In brief, teachers seldom attempt to exploit teachable moments, and even if they did, it's hard to see how they could effectively keep track of and productively respond to the haphazard occurrences of teachable moments in 20 or so young children, especially from diverse backgrounds (Hyun & Marshall, 2003).…”