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Direct linkRodrigues, Jessica; Jordan, Nancy C.; Hansen, Nicole – Journal of Learning Disabilities, 2019
This study investigated the accuracy of three fraction measures (i.e., fraction number line estimation accuracy, general fraction concepts, and fraction arithmetic) for screening fourth graders who might be at risk for mathematics difficulties. Receiver operating characteristic (ROC) curve analyses assessed diagnostic accuracy of the fraction…
Descriptors: Fractions, Screening Tests, At Risk Students, Elementary School Students
VanDerHeyden, Amanda M. – School Psychology Review, 2010
The National Mathematics Advisory Panel specifies that children should be able to fluently add and subtract whole numbers by the end of third grade. Mathematical understanding of addition and subtraction emerges well before formal mathematic instruction begins, and when it emerges it reflects competence in a number of prerequisite skills and…
Descriptors: Mathematics Instruction, Educational Research, Risk, Numeracy
Jordan, Nancy C.; Hansen, Nicole; Fuchs, Lynn S.; Siegler, Robert S.; Gersten, Russell; Micklos, Deborah – Grantee Submission, 2013
Developmental predictors of children's fraction concepts and procedures at the end of fourth grade were investigated in a 2-year longitudinal study. Participants were 357 children who started the study in third grade. Attentive behavior, language, nonverbal reasoning, number line estimation, calculation fluency, and reading fluency each…
Descriptors: Elementary School Mathematics, Elementary School Students, Grade 4, Grade 3
