This study (N=196) examined the extent to which the frequency of parent-child math activities in preschool was associated with children's developmental trajectories of math skills from preschool to primary school. Parents reported the frequency of their involvement in a variety of math activities with their preschool children. Children were tested…

Elementary school children (ages 7-11) struggle to understand mathematical equivalence, a foundational prealgebraic concept. Some manipulations to the learning environment, including well-structured nontraditional arithmetic practice alone, have been shown to improve children's understanding; however, improvements have been modest. The goal of…