1. Delaware Longitudinal Study of Fraction Learning: Implications for Helping Children With Mathematics Difficulties. (November 2017) Authors: Jordan, Nancy C.; Resnick, Ilyse; Rodrigues, Jessica; Hansen, Nicole; Dyson, Nancy Other Names: Gersten Russell guest-editor.; Jordan Nancy C. guest-editor. Journal: Journal of learning disabilities Issue: Volume 50:Number 6(2017) Page Start: 621 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗