Math skills are critical for children's future success in school, as school-entry math knowledge is the strongest predictor of later academic achievement. Although there is a recent increase of literature on math with young children, there is a scarcity of research related to young children with disabilities. This quasi-experimental study with 50…

A survey of eligibility determination systems used in 49 states and the District of Columbia to qualify preschool children under the Individuals with Disabilities Education Act found that such systems were characterized by various categorical, combination, and noncategorical approaches. The learning disabilities category was particularly varied…