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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
Locuniak, Maria N.; Jordan, Nancy C. – Journal of Learning Disabilities, 2008
Children's number sense in kindergarten was used to predict their calculation fluency in second grade (N = 198). Using block entry regression, usual predictors of age, reading, memory, and verbal and spatial cognition were entered in the first block and number sense measures were added in the second block. Number sense measures contributed a…
Descriptors: Memory, Kindergarten, Computation, Grade 2
