Background: As policymakers and advocates across the United States look to early childhood educators to improve children's cognitive development so they enter elementary school ready to learn, debates have emerged over what types of practices these educators should be engaged in to achieve this goal. Historically, the field of early childhood…

It is difficult to get a good grasp of the topic of kindergarten entry assessment because there are such great differences in the purpose for the instruments, how they are constructed, and how the data is used. Even so, in many states and communities, there is cause for concern. Until the paradigm of education moves from a preoccupation with…

Children's thinking follows natural developmental paths in learning math. When teachers understand those paths and offer activities based on children's progress along them, they build developmentally appropriate math environments. The authors explain math learning trajectories and why teaching math using the trajectories approach is effective. A…