Health and Fitness Difficulty Estimating Quantity Linked to Math Learning Disability by Gary Kopycinski on June 17, 2011 Gary Kopycinski Author More in Health and Fitness: On Hantavirus, Park Forest Officials Urge Caution May 18, 2026 Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Park Forest Aligns With Illinois Guidance on Childhood Vaccines Amid Federal Changes January 11, 2026 Bethesda, Maryland–(ENEWSPF)–June 17, 2011. Researchers funded by the National Institutes of Health have discovered that the innate ability to estimate quantities is impaired in children who have a math learning disability.