A growing literature has demonstrated that early math skills are associated with later outcomes for children. This research has generated interest in improving children's early math competencies as a pathway to improved outcomes for children in elementary school. The Making Pre-K Count study was designed to test the effects of an early math…

Building on the empirical work of the previous two studies, this paper describes the development of the Minds In Motion curriculum (MIM), as well as the setting and circumstances of a randomized controlled trial conducted to evaluate this intervention. Throughout this paper the authors emphasize the benefits and challenges of assembling an…