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Download full textLaski, Elida V.; Schiffman, Joanna; Vasilyeva, Marina; Ermakova, Anna – AERA Open, 2016
This study investigated income group differences in kindergartners' and first graders' (N = 161) arithmetic by examining the link between accuracy and strategy use on simple and complex addition problems. Low-income children were substantially less accurate than high-income children, in terms of both percentage of correctly solved problems and the…
Descriptors: Kindergarten, Grade 1, Arithmetic, Accuracy
Direct linkVasilyeva, Marina; Laski, Elida V.; Shen, Chen – Developmental Psychology, 2015
The present study tested the hypothesis that children's fluency with basic number facts and knowledge of computational strategies, derived from early arithmetic experience, predicts their performance on complex arithmetic problems. First-grade students from United States and Taiwan (N = 152, mean age: 7.3 years) were presented with problems that…
Descriptors: Grade 1, Elementary School Students, Numeracy, Computation
