Teachers' understanding of the elementary school mathematics curriculum forms part, but not all, of the newly emerged field of mathematics for teaching, a term that describes the specialised mathematics knowledge of teachers. Pre-service teachers from a one-year teacher preparation program were studied in each of three years, using a…

Disadvantaged children--those in poverty, minorities, or whose first language is not English--often come to kindergarten several years behind their more advantaged peers, especially in the areas of literacy and oral language development. A logical place to begin making a difference in children's literate lives is in the years before kindergarten.…