title: The Importance of Number Sense to Mathematics Achievement in First and Third Grades.
abstract: Children's symbolic number sense was examined at the beginning of first grade with a short screen of competencies related to counting, number knowledge, and arithmetic operations. Conventional mathematics achievement was then assessed at the end of both first and third grades. Controlling for age and cognitive abilities (i.e., language, spatial, and memory), number sense made a unique and meaningful contribution to the variance in mathematics achievement at both first and third grades. Furthermore, the strength of the predictions did not weaken over time. Number sense was most strongly related to the ability to solve applied mathematics problems presented in various contexts. The number sense screen taps important intermediate skills that should be considered in the development of early mathematics assessments and interventions.
authors.affiliation: University of Delaware.
authors.forename: Nancy C
authors.initials: NC
authors.lastname: Jordan
authors.forename: Joseph
authors.initials: J
authors.lastname: Glutting
authors.forename: Chaitanya
authors.initials: C
authors.lastname: Ramineni
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