This observational study of 106 pre-K classrooms in Tulsa, Oklahoma provides descriptive data on children's classroom experiences--classroom climate and exposure to academic instruction--and comparisons of Tulsa classrooms with a multi-state sample of pre-K and Head Start classrooms led by comparably educated teachers. We also examined teacher and…

While mathematics instruction for very young children needs to be age-appropriate in format and content, it also needs to prepare children conceptually for the kinds of mathematics learning that will be expected of them in future years. This perspective, informed by the work of Russian psychologists and educators on a measurement-based approach to…

"Big Math for Little Kids," a comprehensive program for 4- and 5-year-olds, develops and expands on the mathematics that children know and are capable of doing. The program uses activities and stories to develop ideas about number, shape, pattern, logical reasoning, measurement, operations on numbers, and space. The activities introduce the…